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03-19-2010 09:04 AM  9 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
R90SE radio interference, help. ­čôĚ
chepas 18 1032 03-19-2010 09:04 AM
PietervA
PietervA

rrVeteran

New Zealand

Had a similar issue a few years ago; was shown to be a loose & vibrating remote glow wire. Very frustrating at the time.Are you sure this passes the "so what" test?
 

06-27-2009 11:18 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Elevator control arm pin comming out
Bluedun 1 382 06-27-2009 11:18 PM
PietervA
PietervA

rrVeteran

New Zealand

A pin with circlips either end solves the problem:

http://www.helikraft.com/Thunder+Ti...8PV0116%29.html

Before these pins were available, the smallest of drops of CA. (If you're really particular, drill a small hole in the centre of the elevator arm over the tube that takes the pin, and wick a tiny bit of CA through the hole when the pin is re-inserted.)
Are you sure this passes the "so what" test?
 

04-12-2009 09:35 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Tail setup with Raptor 90 SE
Arthur Dent 2 783 04-14-2009 05:25 PM
AMainMaker
PietervA

rrVeteran

New Zealand

Hi Arthur

You're not far off with your setup, but just a few more steps.

For the Raptors, if you have the rear rudder control horn perpendicular to the tailboom/control rod, the tailblade pitch is just about correct with zero rudder input. To set the limits, make sure you're in Normal mode (not HH), and adjust left & right just shy of the limits on the tailrotor shaft. 100% or thereabouts is fine. If you're below 90% or above 120%, I'd suggest changing the mechanics (ie servo horn length).

(EDIT: A small warning, if you allow the slider to move too far inwards (away from the tail rotor), you run the risk of the tail rotor control links kneeing backwards & locking the tail rotor. Good neither for the servo nor your flying!)
Are you sure this passes the "so what" test?
 

03-12-2009 12:04 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
linkage balls help!!!
bentvalve1 4 457 03-13-2009 02:16 AM
bentvalve1
PietervA

rrVeteran

New Zealand

QuickUK makes really nice balls & bits.

http://www.quickuk.eu/cat/general_p...ls___links.html

Cheers
Are you sure this passes the "so what" test?
 

02-26-2009 09:09 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
90 SE
Saleh 5 622 02-26-2009 09:09 AM
PietervA
PietervA

rrVeteran

New Zealand

quickuk.eu

Also helikraft.com

Both good service. QUK's postage may be cheaper.
Are you sure this passes the "so what" test?
 

02-21-2009 09:31 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
NEW RAPTOR 50 ­čôĚ ( page 1 2 3 4 ... Last page )
unochen 376 36341 04-08-2010 03:46 AM
greenmeanie
PietervA

rrVeteran

New Zealand

Those flanges are so thin, they do no more than retain the bearings. A frame split isn't an issue either; the biggest pain is having to remove the collective tray. Once that's done, simply remove the 8 or so central frame support support screws on one side of the frame, and separate the sides with circlip pliers. When the gap's wide enough, the bearings slip out & in pretty easily.Are you sure this passes the "so what" test?
 

02-12-2009 05:59 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Frame spacers ­čôĚ
Unjun 2 555 02-12-2009 05:59 PM
PietervA
PietervA

rrVeteran

New Zealand

QuickUK post by airmail; cheap as chips. Darn quick service too.
 

02-11-2009 10:38 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Throttle endpoint problem ­čôĚ
CUJO 5 636 02-14-2009 05:04 AM
RaptorMan23
PietervA

rrVeteran

New Zealand

Does this help? Pretty standard setup.

http://www.runryder.com/clipboard.h...38/IMG_0914.jpg

 

01-25-2009 08:40 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Tail Rotor Hub set screws back out
coptered 19 689 01-25-2009 09:57 PM
Billebob
PietervA

rrVeteran

New Zealand

I'm with Peefor on this one. I've always been a little sceptical of the way the hub is fixed to the shaft, but have never had a screw back out: perhaps I've been lucky.

Blue loctite here. And a quick degrease.

Red's a pain & you risk stripping the socket in the grubscrew when dismantling.
 

01-11-2009 01:20 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
ok everyone tell me what "you" think" ( page 1 2 )
helibro 30 1576 01-14-2009 10:07 PM
daytona7
PietervA

rrVeteran

New Zealand

One might as well regard the double links as sacrificial bits

G-Force makes a mixing arm that increases pitch & cyclic.

http://www.heliproz.com/prodinfo.asp?number=801832
http://runryder.com/t301561p1/

Easy install & works as advertised.
 

01-05-2009 09:49 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
[Titan] Paddles and dampeners - when to upgrade? ­čôĚ
meowsqueak 15 839 01-05-2009 09:49 PM
PietervA
PietervA

rrVeteran

New Zealand

Damper & dampener are both correct spellings, btw.

Green, red & blue paddles are all light. Cheap as chips. It beats me why you'd use white paddles, and drill them out to make them lighter. Or am I missing something here?

I use the SAB paddles on one 50; looks nice, but I find the performance is no better. (If you fly the paddles, instead of the disk, go for green)

I'd go with red dampers, as suggested. Having said which, a fall in headspeed with max backwards cyclic will put your boom at risk, whatever dampers you use. Replace them every now & then; they do go soft after a couple of hundred flights.

Any metal headblock will last better than the plastic, and is probably a must if you're using higher headspeeds (let's say above 1800). I've used QuickUK, G-Force & TT, and all seem fine to me. No experience of the Kasama head, but if you ask the Bells, they suggest it's modifying cyclic range on the TT that makes the difference, not the actual head design of the Kasama. (I know, hearsay evidence.)

Agree with BH: use a pitch gauge to make sure they're level, although admittedly I'm a bit lazy now, and make do with the "eyeballoscope".

Ciao
 

12-30-2008 08:08 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Raptor 90 or Align 700?? ­čôĚ ( page 1 2 3 4 )
airthumper 74 8825 01-02-2009 03:35 AM
Eury
PietervA

rrVeteran

New Zealand

Now, now children ..... play nicely, see.
 

12-05-2008 08:14 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Raptor 90 3D vs Raptor 90SE
3Dflyer442 19 1294 12-07-2008 10:34 PM
Dino Spadaccini
PietervA

rrVeteran

New Zealand

I'd look at a LiIon with Arizona regulator, for example, ie the Fromeco range.

The 758s are fine (I run several of them), but are at this stage prob superseded by the likes of the 8717. They were the best at the time, of course. You don't need a 758 for throttle.

If you're considering a top-end gyro, think seriously of the Spartan. This after comparing my 2 611s to my Spartan.

Tuppence' worth
 

11-18-2008 08:23 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Boom Slip ­čôĚ
TREXSYNDROME 16 936 11-18-2008 03:06 PM
alvinrc
PietervA

rrVeteran

New Zealand

Agree with BH here; you want to be able to adjust for belt tension with temperature changes.
 

11-04-2008 05:58 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Rap 90 3D head ­čôĚ ( page 1 2 )
Aussie X-400 26 3453 11-16-2008 01:49 AM
Riq
PietervA

rrVeteran

New Zealand

Uwiik, the Bells are very experienced Raptor pilots, and their advice over the years has proven to be friendly & sound. They may have come across as personal to you, but I've never found it to be their intention. Take the wheat with the chaff.
 

11-03-2008 08:49 PM  10 years ago
TopicTopic StarterReplyViewLast Post
Closed ••­čÜüHelicopter Thunder - RAPTOR 50
fuel tubing question
datidun 10 592 11-03-2008 08:49 PM
PietervA
PietervA

rrVeteran

New Zealand

Hayes neoprene tubing may discolour the first few tanks of fuel; don't let it worry you.
 

09-27-2008 08:41 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
I bet no-one has crashed because of what you're about to read !! ­čôĚ ( page 1 2 )
Goose(is dead...) 26 3002 10-08-2008 06:11 PM
red_z06
PietervA

rrVeteran

New Zealand

.....and make sure the tailboom clamp can slide freely on the boom, otherwise the supports pull the boom away from horizontal. The belt needs to run down the centre of the boom.
 

09-14-2008 10:50 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Jesus Bolt
vx1line 6 617 09-16-2008 07:07 AM
RAPTOR 4D
PietervA

rrVeteran

New Zealand

You've been lucky. We place a lockring on the mainshaft, underneath the upper bearing. If the lower J-bolt goes, all you lose is power to the rotorhead.
 

09-06-2008 08:33 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 30
Whats the trick to longevity of these clutch'es / got a sack full ! ­čôĚ ( page 1 2 3 4 ... Last page )
GREYEAGLE 88 5657 09-28-2008 02:13 AM
pgoelz
PietervA

rrVeteran

New Zealand

Pete, if you machine out the centre of the mandrel, leaving only a 2 or 3mm wide rim, the tiny bit of excess glue moves to the centre of mandrel. This provides less area for the epoxy to glue the mandrel to the bell.

Beautiful machining, btw!!
 

07-27-2008 12:24 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Remove bearings from seesaw?
locoman 4 527 07-28-2008 12:23 AM
locoman
PietervA

rrVeteran

New Zealand

Replacement seesaw with bearings installed is the easy way out:

http://www.helikraft.com/Thunder+Ti...184-OEM%29.html

otherwise the hot/cold suggestion as above.
 

07-19-2008 01:00 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Differance between Quick uk and 3d clutch? ­čôĚ
ccpm raptor 9 826 07-22-2008 11:29 AM
ccpm raptor
PietervA

rrVeteran

New Zealand

Edit
(My answer was for the 50 clutch, hence the edit)
 

07-19-2008 12:05 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 30
Clutch Bell Pinion ­čôĚ ( page 1 2 )
cassat 23 1341 08-02-2008 03:04 PM
cassat
PietervA

rrVeteran

New Zealand

The pinion's sometimes hard enough to remove without Loctite, so I wouldn't bother.
 

07-17-2008 11:27 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Problems with tank using backpressure ­čôĚ
Arild Johansen 8 1092 07-29-2008 12:10 AM
AlanR8
PietervA

rrVeteran

New Zealand

My solution uses fuel tubing. A piece split longitudinally, and inserted along the frame edge, and a second length laid in the gutter on the inside of the strut support/tank holder. (This is the tubing in the L-shaped depression referred to by the others.)

The photo shows the edge protection, and a replacement for a missing grommet.

The inlaying is a bit tricky, as the tubing wants to spring out, so you need to be patient.

Double-sided tape tends to rub & fragment.
 

07-13-2008 11:28 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Setup question on my SE
FenderBean 4 472 07-13-2008 08:40 PM
FenderBean
PietervA

rrVeteran

New Zealand

Blades have a symmetrical profile. It's the blades that create the lift, not the holders, so measure the pitch of the blades.

I don't know the Mavricks you use, but SAB, Radix & NHP all have bolt holes perpendicular to the blade root.
 

07-10-2008 12:45 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Tail Rotor Alignment- Raptor 50 Titan
heli dk 5 567 07-11-2008 01:52 AM
heli dk
PietervA

rrVeteran

New Zealand

As BH says, better aligned to the gyro mount than to the ground.
 

05-03-2008 03:52 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Decals
morray1 4 701 05-03-2008 12:06 PM
BarracudaHockey
PietervA

rrVeteran

New Zealand

Cut them out, clean the canopy with alcohol/methanol or any other degreaser, peal off backing & stick on.

Nothing like those old-fashioned Airfix decals
 

04-25-2008 09:52 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Clutch ( page 1 2 )
rc.chris 22 1168 04-26-2008 01:47 AM
pH7
PietervA

rrVeteran

New Zealand

I've found a single layer of 80gsm paper (the stuff most of us print on) under the standard R50 lining gives the correct clearance. Just make sure there's enough epoxy on both sides of the paper, then apply a single layer of electrical tape around the clutch to work as a plug/spacer.

Having said which, I now use a machined aluminium blank as the spacer, so the the liner is perfectly round. (Different sizes for TT & QUK clutch bells.) When using the clutch, the shoes will indent if there's too much pressure against the curing liner/epoxy/paper.
 

04-11-2008 07:16 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
8717 on Raptor 50 ?????
BEEP BEEP 8 529 04-12-2008 06:26 PM
bwerneth
PietervA

rrVeteran

New Zealand

My 50s livened up considerably with a faster collective servo. Atx 94758 initially, and now the 8717. Fantastic response & certainly no overkill IMHO.

Just ensure you have a solid power supply. I run Fromeco's aircraft regulator in my 50s, at 6V with 3 JR leads (rated at 3A each) into the Rx. The tail servo takes a stepdown through a diode (ending at about 5.3V).
 

03-31-2008 07:59 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Raptor 50se tail belt skipping
cyanide1973 4 484 04-01-2008 05:27 AM
cyanide1973
PietervA

rrVeteran

New Zealand

Cyanide1973, common problems are belt tension, worn teeth on the tail pulley, missing belt teeth and possibly even a belt twisted one half turn to far.
 

03-21-2008 09:02 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Thank you
meowsqueak 10 574 03-23-2008 02:59 PM
meowsqueak
PietervA

rrVeteran

New Zealand

Working by yourself is not easy, so well done!! And welcome to "the addiction".

Take care, and hope you have heaps of fun. Sometimes you'll realise it's a variant of brain gym
 

03-16-2008 07:47 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Raptor 90 Tail Pitch Slider Part Number Question
Timbers 4 572 03-16-2008 05:07 PM
Timbers
PietervA

rrVeteran

New Zealand

If you do decide to go the way of PV0439, then a word of warning to not leave out the blue loctite between the brass bushing and the horn, as many posts on RR will attest!
 

03-16-2008 06:29 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Raptor 90 Tail Pitch Slider Part Number Question
Timbers 4 572 03-16-2008 05:07 PM
Timbers
PietervA

rrVeteran

New Zealand

This might be what you're looking for:

http://www.helikraft.com/Thunder+Ti...V0439-L%29.html

Comes in blue & silver.
 

02-24-2008 10:42 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Newbie ball link questions
meowsqueak 7 527 02-24-2008 03:33 PM
Invrted1
PietervA

rrVeteran

New Zealand

If the chamfered edge (which is on the opposite side to the logo) faces the ball, it should simply pop on with moderate finger pressure. YOu can use the ball link pliers, but you risk scratching the ball, and it shouldn't be necessary.
 

02-24-2008 09:30 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Raptor 90 clutch bearing case??? ­čôĚ
moorecj98 6 480 02-24-2008 05:10 PM
moorecj98
PietervA

rrVeteran

New Zealand

If there are two golden tabs, we sure as h@ll can't see them in your fuzzy photos!
 

02-24-2008 09:25 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Newbie ball link questions
meowsqueak 7 527 02-24-2008 03:33 PM
Invrted1
PietervA

rrVeteran

New Zealand

The links should pop onto the balls, such that the TT logo is on the outside. If you look carefully, you'll see that the inner edge of the link is slightly chamfered to facilitate installation.

If you're into this for a while, you'll need ball link pliers (to take the link off the ball) and a link sizer (to relieve the link tightness without allowing slop). Both are available on the Helikraft website.
 

02-24-2008 09:20 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Raptor Technique build guide
meowsqueak 8 4214 02-26-2008 06:36 AM
RonRock
PietervA

rrVeteran

New Zealand

 

02-22-2008 10:35 PM  11 years ago
TopicTopic StarterReplyViewLast Post
Closed ••­čÜüHelicopter Thunder Tiger
OS 37 engine fan backing off ( page 1 2 3 )
T-Rex-Flyer 42 1668 02-24-2008 12:52 PM
T-Rex-Flyer
PietervA

rrVeteran

New Zealand

The fan's are alloy, so don't overdo it. Grab the fan with a towel, lock the crankshaft with a tool through the back, and tighten to comfort. The important step, is to tighten the crank nut against the locking tool, not the fan. If you use the fan as a counter, you're potentially loosening the fan as you tighten the fan against the crank nut.

I've used blue loctite, no loctite, flown straight-away ..... the point being: DON'T use RED!! Oh, yes, and keep the loctite off the fan thread if you can.

Blade_master, surely there must be someone to help you at your field
 

02-05-2008 10:35 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Raptor 50 Main Spur Gear Wareing UnEven ­čôĚ ( page 1 2 )
zac123 21 1299 02-12-2008 05:59 PM
zac123
PietervA

rrVeteran

New Zealand

May we assume your mainshaft doesn't ride up-and-down in the main bearings? Is the main gear snugly tightened on the one-way. Overtightening can distort the plastic, and if too loose, the gear rocks. Lastly, an occasional main gear is not moulded uniformly.

If none of the above, go with BH, Stephen & co.
 

12-14-2007 07:04 PM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Need Comments on Throttle JockeyÔäó "RevMax"
SaberSix 8 779 12-15-2007 06:09 AM
Ts8103
PietervA

rrVeteran

New Zealand

Neither of the above statements is really true.

Simply programme a straght line throttle curve in the idle-ups, and let the rev limiter close the barrel to limit revs/headspeed. When setting up on the ground, keep the pitch at zero in idle-up 2 and adjust the Revmax ATV until you get the headspeed you want.

Then go fly!

Admittedly, the Revmax has no tach function, but I tend to set headspeed by feel & sound anyway, only taching when I happen to have one available.
 

12-08-2007 10:25 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
How to get bearings out of raptor 90 metal grips
3DFreak 4 494 12-08-2007 03:48 PM
Qrrambero
PietervA

rrVeteran

New Zealand

That will be bad!!

I suggest putting the bladeholders in the oven at 100 to 125 deg C, and when heated, gently tap out the bearings. The bearings often just fall out.

Installation of new bearings should be whilst the bladeholder is still hot.
 

12-01-2007 07:08 AM  11 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Your Thoughts ­čôĚ
Raptorchief 13 877 12-01-2007 07:08 AM
PietervA
PietervA

rrVeteran

New Zealand

Avoid a true-blue tuned pipe; not worth the hassle, and not worth the minimal increase in power. Fun to try, but can be frustrating if you're learning, particularly when the motor falls "off the pipe".

The more you bling your heli, the less brave you will feel to push the envelope, unless you're one of those fortunate few with an endless money supply!

Agreeing with much of the above, I'd go for green/red/blue paddles, metal head & tail grips with thrust bearings. I have no experience with TT engines, but OS Hyper is pretty reliable & easy to tune & run. Plastic canopy, yellow if you care.

K.I.S.S., & burn heaps of fuel & sim time.
 

09-10-2007 12:08 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Where to buy painted canopies? ­čôĚ
jackheli 12 1101 09-11-2007 07:08 PM
cessna151
PietervA

rrVeteran

New Zealand

Beautiful canopies, Jason.
 

08-28-2007 08:21 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Raptor 90 glitching/lockout problem.
glfloat 7 573 08-29-2007 12:00 AM
External Pilot
PietervA

rrVeteran

New Zealand

Had a similar problem with my 90SE. Changed ALL the electrics, checked all bearings, rubbing points etc, and finally, in desperation, installed XPS.

So you might say the problem was not really solved, but it certainly went away.
 

08-03-2007 01:45 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Where Can I Get a QUK HD Clutch?
TheMan 6 429 08-03-2007 08:48 PM
TheMan
PietervA

rrVeteran

New Zealand

edited
 

08-02-2007 11:22 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Question on Quick's heavy duty clutch installation for Raptor 50 Titan
bozora 3 785 08-06-2007 07:27 AM
bozora
PietervA

rrVeteran

New Zealand

Check the fan hub; if it has a raised area that allows the clutch shoes to swing without dragging & tilting them, then the shim is not required (eg QUK fan), otherwise include the shim (eg TT fan).
 

07-11-2007 11:17 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Drilling holes in paddles!
Richardmid1 10 653 07-13-2007 02:41 PM
Richardmid1
PietervA

rrVeteran

New Zealand

No longer necessary if you use the 20g green (and now also blue or red) paddles.Are you sure this passes the "so what" test?
 

07-08-2007 09:23 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Tail Rotor Failure - Suggestions For Replacement ­čôĚ
BrentC 8 2104 07-09-2007 04:50 PM
garry keogh
PietervA

rrVeteran

New Zealand

QuickukAre you sure this passes the "so what" test?
 

07-06-2007 01:51 PM  12 years ago
TopicTopic StarterReplyViewLast Post
Closed ••­čÜüHelicopter Thunder - RAPTOR 50
Titan, whats the easiest way to change the bearings on the mainshaft ........
MolokaiBoy 2 453 07-06-2007 01:51 PM
PietervA
PietervA

rrVeteran

New Zealand

Yup, certainly works. I find it much easier to use circlip pliers to prise the sides apart. Allows controlled distraction whilst inserting the new bearings.Are you sure this passes the "so what" test?
 

06-26-2007 09:56 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Raptor 50 SE head replacement
flyingscubakev 8 489 06-26-2007 09:56 AM
PietervA
PietervA

rrVeteran

New Zealand

Unless you're a really good pilot, I'd replace naught on SE head.

Cheap, works well and takes the pressure off most of the bearings in a crash. You often get away with having to replace only mainshaft & flybar carrier bearings, and of course flybar/spindle/mainshaft.

The more expensive your heli, the more anxious you get flying & trying.
Are you sure this passes the "so what" test?
 

06-14-2007 11:32 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
SPTTING FEATHERS? .....NO GLOW PLUGS ?
DRUMMER 17 793 06-14-2007 09:39 PM
bigdad390
PietervA

rrVeteran

New Zealand

The ViperHeads are made of a much harder aluminium (as per James O'Neal's instruction sheet), so the plugs have to be tightened with significantly more torque. Really tight!!Are you sure this passes the "so what" test?
 

06-05-2007 08:08 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
One way clutch bearing freezes! ( page 1 2 )
MadRussian 29 2289 06-10-2007 03:29 PM
MadRussian
PietervA

rrVeteran

New Zealand

Here's Augusto's thread

http://www.runryder.com/t55473p1/?h...auto+hub+grease

A great read. Points out where the play should be, and why they fail.
Are you sure this passes the "so what" test?
 

06-04-2007 07:11 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
One way clutch bearing freezes! ( page 1 2 )
MadRussian 29 2289 06-10-2007 03:29 PM
MadRussian
PietervA

rrVeteran

New Zealand

If you look carefully at their design & construction, then you'll find it as hard to believe they have to be "run in"!

They're fairly sophisticated, rely on close tolerances in material & dimensions, and are exposed to pretty high loads.

You don't expect your normal bearings to run in, do you?

Anyway, each to his own. I'm outta here.
Are you sure this passes the "so what" test?
 

06-04-2007 05:38 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
One way clutch bearing freezes! ( page 1 2 )
MadRussian 29 2289 06-10-2007 03:29 PM
MadRussian
PietervA

rrVeteran

New Zealand

The fact your hubs get better, might indicate the lubricant's getting to the working bits

Admittedly, drying out might be overstating it, but a large part of WD40 (much like Tri-flow) is petroleum distillate, which evaporates, leaving very little lubricating oil behind.

I've found the bad hubs to get worse (even with ATF), and ultimately bin them. Perhaps I should be more patient.
Are you sure this passes the "so what" test?
 

06-03-2007 10:04 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
One way clutch bearing freezes! ( page 1 2 )
MadRussian 29 2289 06-10-2007 03:29 PM
MadRussian
PietervA

rrVeteran

New Zealand

If it continues to lock, I'd replace both bearing AND sleeve. (And throw away the old one!) Wash out the new one, soak in ATF, and go fly. Sometimes you just get an unlucky number, and they do ultimately fail. I've never had one "getting better" with time.

WD40 will dry out the bearing, and leave no significant lubricant.

(QUK is the 90's solution, but not quite so easy on the 50, as you're limited by the space within the taildrive pulley.)
Are you sure this passes the "so what" test?
 

06-03-2007 09:54 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
input in the 90 SE
TKK 8 665 06-04-2007 09:57 PM
RobRoy
PietervA

rrVeteran

New Zealand

Here we go again........

It's well worth your while doing a search, as this topic comes up with monotonous regularity & the predictable cymbal clashing

Seriously, heaps of threads over the last few months.
Are you sure this passes the "so what" test?
 

05-04-2007 01:12 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Crash due to pin coming out ­čôĚ ( page 1 2 3 4 ... Last page )
Jason Bell 81 7529 09-05-2007 03:51 PM
smegs
PietervA

rrVeteran

New Zealand

I do believe there's the difference between "a flat spot" and "a deep, pin-weakening gouge". Am sorry you had trouble with the latter.

Seriously, though, the idea is to create just enough of an edge to stop the pin from sliding under the grubscrew. Nothing more.
 

04-30-2007 03:01 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
Crash due to pin coming out ­čôĚ ( page 1 2 3 4 ... Last page )
Jason Bell 81 7529 09-05-2007 03:51 PM
smegs
PietervA

rrVeteran

New Zealand

Really sorry to hear about the crash.

Perhaps try grinding small flats at the midpoint of the pins, then tightening the grubscrew (with loctite) against these flats.

R
 

04-21-2007 11:56 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 90
R90 doubts
Laurens 17 1175 04-22-2007 10:12 PM
Laurens
PietervA

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New Zealand

Laurens, darren1 raises a relevant point regarding the bevel gear pins (both fore & aft). I'd suggest you notch them at their midpoint and lock the grubscrew in with threadlocker. Cover the pins with heatshrink if you're a belt-n-braces sort of fellow.
 

04-21-2007 11:51 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
Is there a pump and regulator available yet?
CharlesYoung 3 408 04-22-2007 02:33 AM
baby_zyklon
PietervA

rrVeteran

New Zealand

There ARE setups for the 50, namely the Perry pump (see above) and the Webra regulator controlled off muffler pressure. They both add complexity, make not a whit of difference to power, but give you consistency throughout your tank. Depends what you want, I guess.

You could install an OMI-modded carb with Cline regulator, but that might be a bit OTT. I've not tried this on a 50, but works a treat on the 90.
 

04-10-2007 08:45 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
9254 tail servo failure? ­čôĚ ( page 1 2 )
cchap85 20 1447 04-11-2007 03:19 PM
Yug
PietervA

rrVeteran

New Zealand

Yug, that's always looked a very purdy solution to me; do you get much in the way of buzz/harmonics in the carbon rods, as it's an unsupported length?
 

03-01-2007 06:57 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
damper lube ­čôĚ
ripley 12 1407 03-03-2007 12:53 AM
Yug
PietervA

rrVeteran

New Zealand

The silicone oil sold for RC truck dampers is clean, & works perfectly.
 

02-19-2007 11:43 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder - RAPTOR 50
quick UK swash plate and lock collar ­čôĚ ( page 1 2 )
HeliKopter Ken 20 1972 02-19-2007 06:56 PM
Barney
PietervA

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New Zealand

Why not invert the mast-locking collar that comes with the swashplate (ie have the bevel pointing down) and mount it above the lower mainshaft bearing? It appears to clear the plastic, and rests against the inner race only. Only issue I can see, is the fact the bevel edge will, with time, wear against the inner bearing race.
 

02-14-2007 06:18 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
raptor 90 spindle bolt broke in flight? ­čôĚ
rgl726 12 818 02-16-2007 02:04 PM
jpn
PietervA

rrVeteran

New Zealand

Yup, overtightened. You need enough to snug it down firmly, and rely on the Loctite to hold it there.
 

01-19-2007 08:35 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Tail Fin for 95mm blades ­čôĚ
cgheli 17 603 01-20-2007 09:55 PM
FS+
PietervA

rrVeteran

New Zealand

Thanks Barney. To date I've glued an extra bit of CF sheet onto the R50 fins to extend them for my 92mm SABs, but your solution's more elegant.
 

01-06-2007 08:33 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Strip and rebuild, what to look for? ­čôĚ
andythilo 18 1183 01-15-2007 01:47 PM
Seaknight1962
PietervA

rrVeteran

New Zealand

Replace the red tail gear; you'll be surprised to see how the teeth become rounded from wearing against the belt.
 

01-04-2007 09:17 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Carbon Frame Problems. ­čôĚ ( page 1 2 )
Ben-T-Spindle 24 1193 01-04-2007 09:23 PM
Dino Spadaccini
PietervA

rrVeteran

New Zealand

Duralite is a LINEAR regulator; their term switching refers to the failsafe switch.

I likewise queried their claims after a new Duralite overheated when attached to a 3S lipo. Direct email contact with Duralite confirmed that it's a linear regulator, that'll handle up to 12V (per their website), but a full 12.6V 3S lipo exceeds their limit.

They did say they should be clearer on the website.

I sold the Duralite the next day, and continued happily with UBECs.

EDIT: I've just checked their website; the term "switching style regulator" remains. This is clearly misleading advertising.
 

12-28-2006 11:15 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
60 B carb ­čôĚ ( page 1 2 )
Nick Jones 22 892 12-28-2006 11:34 AM
DS 8717
PietervA

rrVeteran

New Zealand

I don't think the muffler pressure is essential when you install a pump, but connecting what is effectively a tank vent to the muffler avoids the need for a one-way valve that prevents fuel spilling all over the place, and also makes refuelling a little easier.

I always considered the header tanks as bubble traps, especially for smaller motors.
 

12-27-2006 10:59 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
60 B carb ­čôĚ ( page 1 2 )
Nick Jones 22 892 12-28-2006 11:34 AM
DS 8717
PietervA

rrVeteran

New Zealand

60B works rather well on the OS50/Hyper.

Two issues to bear in mind. Firstly, you'll need to remove the heat-insulating collar off the carb, to ensure a perfect fit. I suggest you dip the carb's collar in boiling water, and then grip same with a cloth and twist it off. Keep it for when you re-install the carb on your 90. The second issue is the carb barrel size (10.5mm, IIRC). This means that with a little 50 the carb doesn't always create enough negative pressure to suck fuel from the tank, so you'll have to make sure you have a solid tank-muffler connection. I went the way of pressurising the tank off the crankcase, and using a Webra regulator. Perry pump works too,

Just give it a whirl, and see what you think. I think you'll like it.
 

12-26-2006 08:03 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
My pipe fell off during flight can I use RTV for a gasket?
Hummingbird3D 13 742 12-28-2006 04:24 PM
Kraken
PietervA

rrVeteran

New Zealand

Yup, emory paper's the trick, but you may well find that you need to grind quite far back to get out all the imperfections. The thinnest smear of RTV, kept well away from the porting, helps mate the two surfaces. As BarracudaH says, excess at your peril!
 

12-21-2006 09:15 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Resistance in elevator control ­čôĚ
junyang 13 656 12-22-2006 04:51 PM
junyang
PietervA

rrVeteran

New Zealand

Agree with above: washers & epoxy (Epoxy because the bushings are pretty loose on the screws. Even when initially tight without epoxy, they'll not stay so after a few flights).

Just check that your aileron servo lead is not too tight when the collective tray moves up maximally, btw.
 

12-18-2006 05:53 PM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Quick UK drive pinion support bearing ­čôĚ ( page 1 2 3 )
Ken Filloon 44 1959 12-18-2006 09:44 PM
r.j.models
PietervA

rrVeteran

New Zealand

I am, incredulously, watching you men lose dubitable "credibility"

And, believe me, that is now way off topic.
 

12-12-2006 06:31 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Importance of bottom stiffener plate R50/30? ( page 1 2 )
Mini-dub 30 1966 12-19-2006 06:34 PM
A. Bundy
PietervA

rrVeteran

New Zealand

Here we go again

You'll have many opinions, but most of us think the baseplate makes not a whit of difference, except that dropping the engine becomes a little more complex. If you've got it, then by all means install it, but don't waste any money buying one.

R
 

12-11-2006 09:11 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Quick uk tail grip set ­čôĚ ( page 1 2 )
soulrider911 28 2339 12-20-2006 08:45 PM
soulrider911
PietervA

rrVeteran

New Zealand

Beautiful pics, OICU812.

Where did you find that awesome bellcrank, btw?

R
 

11-15-2006 08:57 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
gy401 on 6v??
soulrider911 5 576 11-15-2006 11:35 PM
cessna151
PietervA

rrVeteran

New Zealand

The 401 will be fine at a regulated 6V. Limiting voltage to the gyro/tail servo possibly prolongs the lifespan of servo, however.

Simple solution is to interpose a rectifier diode (eg 1n5404 or 1n5408) on the positive lead between Rx and gyro. The 0.75V drop in voltage across the diode, means that you're down to a satisfactory 5.2V on the tail. If you don't want to damage the gyro leads, then use a short servo lead extension in which to install the diode and heatshrink.

Good luck
 

11-12-2006 07:29 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
How do i get the fan off a 50 ­čôĚ
MisterBiggshot 13 619 11-12-2006 07:29 AM
PietervA
PietervA

rrVeteran

New Zealand

Piston down. The crank tool has a flat ground on one side to clear the piston at BDC.
 

11-05-2006 06:45 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
QUK-UK Upgrades
Rogue123 9 854 11-07-2006 10:45 PM
gkoutsis
PietervA

rrVeteran

New Zealand

There is a link on their homepage, that takes you to a currency convertor.

http://www.oanda.com/convert/classic
 

11-05-2006 06:38 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
black skids ­čôĚ
Zman 12 1084 11-10-2006 12:04 AM
HHawk
PietervA

rrVeteran

New Zealand

Have used this for years; has survived every crash!

[url=http://www.quickuk.co.uk/acatalog/quk030_400.jpg]

They're under "general parts", "airframe/engine"......

You need to elongate the holes slightly to mount these struts. They look a little bulky, but weigh no more than standard ones.
 

11-02-2006 02:19 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
help me out rappy fliers.. who has SAB blades?
caseyjholmes 18 1053 11-10-2006 02:36 AM
playfair
PietervA

rrVeteran

New Zealand

Zaneman

Try Cyberheli. I've had the white SAB tailblades for ages; tough as.

As for 600s: I put my money on SAB. Ricks sometimes has them on special, but I see they're out of stock at the moment. Otherwise Cyberheli.

Good luck
 

10-29-2006 05:04 AM  12 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
grease or no grease
bogman 9 632 10-30-2006 04:31 AM
turboomni
PietervA

rrVeteran

New Zealand

It doesn't really matter what you do, as you'll be replacing those helical gears with the stock gears within the next 5 tanks or so

The white helicals wear out faster and don't run noticeably quieter.

(PS Bogman, I left CT 12 years ago. Lived in Kenilworth, about 5 minutes walk from the station. What a city!!)
 

10-22-2006 12:13 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Helical Main Gear
Mike557 3 431 10-22-2006 05:42 PM
Mike557
PietervA

rrVeteran

New Zealand

Hi Mike

I'm sorry you bought and installed that particular gear set. If you look at my gallery, you'll see I had a similar experience.

The plastic is of poor quality & moulded with distortion, and the pinion is pretty rough with abrasive teeth.

Went back to stock with sigh of relief. There is really little advantage to the helical gears, as the gear noise is minimal in comparison to engine, blades etc. Theoretically, you're losing some of the energy transferred into a vertical component.

Get it outta there quick
 

10-16-2006 09:49 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
OS 50 Hyper bearings? ­čôĚ ( page 1 2 )
Caliber30 26 5184 04-16-2007 11:31 AM
Xircom
PietervA

rrVeteran

New Zealand

I've burnt through my fair share of bearings in "50" motors, and find the following useful signs of impending failure:

Engine running warmer than usual,
Some loss of power,
And the earliest sign, a noise not unlike that of rushing water, at idle. (By the time it sounds rough and gritty, you'd better get in there quickly.)

I've had no more joy from ceramics vs steel/steel, nor do I find the more expensive OS bearings any better than the ones I buy from rc-bearings or my local engineering supplier. I reckon they're pretty dispensible, and always keep a few as spares.

R
P
 

10-12-2006 10:32 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Do I have to take most of titan apart?
Zman 8 619 10-13-2006 09:23 PM
hornet dave
PietervA

rrVeteran

New Zealand

Large circlip pliers make the job even easier.
 

09-12-2006 11:29 PM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Why did this happen? ­čôĚ ( page 1 2 )
Vendetta 22 1345 09-13-2006 12:25 AM
kcass518
PietervA

rrVeteran

New Zealand

You actually don't ever want to use a fanhubtool, as it encourages you to tighten the nut against the fan. Sounds great, but in reality you slightly loosen the fan as you tighten the nut, and the whole lot comes adrift when starting up. What you want, is to COMPRESS the fan between nut and the inner race of the front engine bearing.

If you look at Barracudahockey's picture, you'll see he's tightening the nut on the crank. To try make it easier, I slip a screwdriver shaft in the rear slot of the cranklocking tool, let the rest of the engine just hang loose, and torque as tightly as I physically can. The crankshaft won't shear; it's pretty hard material!

Agree with Mike: you don't need any loctite if you do it properly. But if blue makes your day.....

Some might use the washer, but for 99.995% of us it's NO WASHER.
 

08-19-2006 07:38 PM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
OS 50 Hyper, metal headblock required?
Chickenx10 13 643 08-20-2006 04:36 PM
genexis
PietervA

rrVeteran

New Zealand

The head button makes it slightly easier to stop the head with your hand, so I'm told, but you really don't need it. It's not for rubbing the ground when inverted!

My understanding is that the phase ring allows you to adjust the degree of precession, ie the degree to which the cyclic changes on the blades/paddles precede the actual movement of the helicopter. It's usually a straightforward 90┬║.

As colsy says, the standard block works fine, but develops slop after a dozen or so hard flights. I got tired of changing it all the time, and reckon I've saved money with this upgrade!
 

08-19-2006 09:57 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
OS 50 Hyper, metal headblock required?
Chickenx10 13 643 08-20-2006 04:36 PM
genexis
PietervA

rrVeteran

New Zealand

You want PV0338. Most people don't use the separate phase adjustment ring, so you might want to look at the Quick UK head

http://www.helikraft.com/Quick+UK/T...+%28Red%29.html

Bit cheaper too!

R
 

07-22-2006 03:10 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
wider landing gear ­čôĚ ( page 1 2 )
Frolin 21 1624 07-31-2006 07:38 AM
HotsHabit
PietervA

rrVeteran

New Zealand

In terms of orientation, larger landing gear attracts your attention more readily, which can lead you to confuse lateral tilt in side-on hovering.

IMHO, once you can hover and land, the more inconspicuous the landing gear, the better.
 

07-19-2006 04:02 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Bearing for QuickUK flybar carrier
cub2000 3 372 07-20-2006 01:24 AM
cub2000
PietervA

rrVeteran

New Zealand

Any d4D8W3 bearing will do. YOu can buy them from engineering supplies, or get the TT replacement bearings (possibly cheaper), and salvage the bushings from the previous bearings. They're "glued" in with bearing locker, but will press out.
 

07-07-2006 10:37 PM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
White Tail Booms? ­čôĚ
AceHelis 5 579 07-08-2006 01:42 AM
rob10000
PietervA

rrVeteran

New Zealand

If you're really that keen, you can use the aircraft wing covering plastic, you know, the iron-on sort. Make sure it's really opaque, cut a strip so that the seams are not too wide, iron the seam, then use a heat gun to shrink the rest onto the boom. The only downside is the slight increase in boom diameter. And of course you can choose ANY colour.

I don't bother; from a distance all booms are black anyway!
 

06-16-2006 09:13 PM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
how do i fix terrible runout with a rap50 fan?
The Daz 18 792 06-17-2006 04:56 PM
AirWolfRC
PietervA

rrVeteran

New Zealand

Hi Daz

You're right, it should read 0.3 to 0.5 thou! Trouble converting a metric dial gauge into US Imperial language I'll edit my post.

Besides the pressure on the clutch, there's another trick worth trying. When you tighten the nut on the shaft (using a cranklocking tool), you might find that "pushing" the spanner towards or alternatively away from the high point helps.

Ever tried to dial a colleted fan? That sorts the men and their toys

Good luck
 

06-16-2006 05:48 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
how do i fix terrible runout with a rap50 fan?
The Daz 18 792 06-17-2006 04:56 PM
AirWolfRC
PietervA

rrVeteran

New Zealand

If you've less than 3 to 5 thou, then I'd suggest you leave it alone, 'cos that's really good!! (Edit: should read 0.3 to 0.5 thou!)

Even if the fan's not quite true, you can sometimes rotate the clutch on the fan hub for a different orientation, or push the clutch slightly away from the high side as you tighten the clutch locking screws.
 

06-15-2006 10:35 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Tailrotor gear pin backing out?
TH-67Guru 11 521 06-16-2006 06:57 PM
ae4mr
PietervA

rrVeteran

New Zealand

This issue has been discussed before, and an aftermarket ring or heatshrink tubing came up as suggestions. Even simpler, however, is to make sure the grubscrew that goes into the end of the tailrotor shaft is tightened really well, WITH LOCTITE. If you make sure the loctite is only on the threads, then it's easy to dissemble and push out the retaining pin when you need to.

Good luck
 

06-03-2006 06:04 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
What is the BEST Glue To Use On A Clutch?
JohnHawk50 14 832 06-11-2006 02:42 AM
JohnHawk50
PietervA

rrVeteran

New Zealand

JB Weld is an epoxy, and a very good one at that

It too, will fail at high temps, so the oven trick works, but I sometimes worry about the effect on the metal (annealing etc).
 

06-03-2006 06:01 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Changing clutch bell
Nick Jones 5 465 06-03-2006 06:49 AM
Tron
PietervA

rrVeteran

New Zealand

It's a 10T pinion.

If the pinion is fixed in the bearing, and doesn't come out with the gentlest of taps (pliers on top of bell), then you're better off partially splitting the frame to remove the bearing and pinion together. Any more than gentle taps will pit the bearing race, and it will fail!

You never need Loctite between pinion and clutch bell. You should, however, Loctite (bearing locker) the pinion to the inner bearing race, otherwise the pinion shaft wears away against the bearing race. Regard this bearing as expendable; it does some really hard work!

A partial frame split is a useful technique, although it only works for plastic frames. Simply remove the frame screws that surround the bearing you want to remove (and this might well include removing the collective tray etc), then wedge the tips of circlip pliers between the frame halves and squeeze. If the halves don't separate enough, then remove a few more screws. You can then easily drop out the bearings in question, and replace. I know, you're abusing the plastic's inherent flexibility, but it sure beats a full split!

Good luck
 

06-03-2006 04:55 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
What is the BEST Glue To Use On A Clutch?
JohnHawk50 14 832 06-11-2006 02:42 AM
JohnHawk50
PietervA

rrVeteran

New Zealand

Never had JB Weld come adrift. Cures slowly, so you've time to get the lining perfectly positioned with the clutch/tape mandrel inserted.
 

05-23-2006 09:04 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
pin coming out need help ­čôĚ
camt10 11 2129 05-23-2006 01:30 PM
MikeSherman
PietervA

rrVeteran

New Zealand

 

05-20-2006 06:45 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Clutch lock on new Hyper 50 ­čôĚ
ob1 8 2161 05-21-2006 03:22 AM
swattley
PietervA

rrVeteran

New Zealand

This comes up very regularly! Assembled correctly, the fan should never come off the crankshaft, so here are a few pointers, and bear with me if you've done most of this already.

1. Use a crank-locking tool. The best are the nylon/delrin ones that lock the crank when you've removed the backplate.
2. Tighten the fan onto the crank, holding it with a cloth to prevent you cutting your hands and fingers. Nice 'n tight, without being ridiculous.
3. Tighten the locknut onto the crank, making sure you rotate only the crank-locking tool and locknut against each other. You can use a suprisingly large amount of torque, as both the crankshaft and nut are made of really tough metal. You don't need loctite or locknuts, you just need to make sure you're not tightening the locknut by holding the fan. as you'll inadvertently loosen the fan on the crankshaft. I tend to avoid loctite, as it makes removing the nut unnecessarily difficult, and my fans never come off the shaft anyway.

Good luck, and let us know how it goes.
 

05-18-2006 09:16 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
rap 50T clutch bell
jturner 6 1519 05-18-2006 06:32 PM
Motions
PietervA

rrVeteran

New Zealand

I get about 4 times the life out of a QUK clutch, but they all go in the end. So it's less a case of money saved or spent, but rather about avoiding the inconvenience of having to dissemble your drive-train, and then install and dial in a new clutch.
 

05-17-2006 07:04 AM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
raptor crank mod? ­čôĚ ( page 1 2 )
Matthew3 28 3347 06-15-2006 04:55 AM
George Matthews
PietervA

rrVeteran

New Zealand

The ring doesn't seal against the crankcase, so I'm doubtful about any "pressure" effects. Less turbulence? Not sure about that either.

If personal testimony be the yardstick here, I can say (with my hand on my heart) that the crank mod made NO difference whatsoever to my SXH or Hyper. NO increase in bearing life, NO smoother in the running. Just the satisfaction of fixing something which ain't broke.

If your engine's not quite smooth, you'll get more joy out of dialing in your fan and clutch. Personal testimony.

 

05-14-2006 10:55 PM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
PV0358 Clutch Bell question?
Smokeyboy 3 376 05-15-2006 03:29 AM
euknowho
PietervA

rrVeteran

New Zealand

Yes, comes with both installed.
 

05-11-2006 10:28 PM  13 years ago
TopicTopic StarterReplyViewLast Post
••­čÜüHelicopter Thunder Tiger
Gyro for Raptor 50/Hyper
FH-Canada 11 1868 05-12-2006 08:56 AM
cupra
PietervA

rrVeteran

New Zealand

JR's 490/500T with 9254 or 8700 does the trick beautifully.
 
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