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HelicopterMain Discussion › in process of heli setup - got a problem with​flybar??
10-08-2005 06:42 PM  12 years agoPost 1
webbhost

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england - Leicester

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Hiya, just wanted a few opinions on this, im setting up raptor 30 V2, and i noticed a lot of "drag" within the flybar?

Most parts now move really nicely and freely on it, but this particular part does not like to move much atall.., yes it moves but its gonna put alot of strain on the servo's to do so. I have tried taking the stabiliser bar linkage from both sides to see if that makes a difference, so in effect there is just the flybar, the2 J shaped connectors.. its still feeling rough..

I was just wanting a second opinion, what is this likely to be?

Im thinking it might be the bearings within the Flybar Carrier?

at this point i cant see what else it would be, but i wanted to know what you other members would do in this situation?

The heli has only ever been in 3 flights and 2 crashes (due to bad setup) so it has not been used much, althrough i have had the flybar get stuck in the flybar carrier before and had a hell of a job getting it out (saw the flybar and try and get it out then)

Im thinking that maybe doing that has somewhat "damaged" my flybar carrier maybe knackering up the bearings?

Most of my helicotper was now set up by nuneaton club, and the only things that are left that i am aware of, is all the linkage, and the tail rotor linkage and positioning. (if any nuneaton members see this could you tell me if theres anything else i should check?)

Im taking a great deal of care setting it up this time, rather than spending 5 minutes on each part, i am spending somewhat 30 minutes and more on each part.

meh

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10-08-2005 06:52 PM  12 years agoPost 2
darrens

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United Kingdom

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Webhost, your flybar should move completely freely so you have to sort out what is binding it. Try stripping the assembly down part by part, checking each time to see if it has freed up. This will allow you to isolate what is causing the problem.
NMHC will be at the new club field tomorrow, although numbers will be small due to the Charmouth fly-in. If you want to pop down tomorrow I will look it over in between my flights and the buddy flights I will be doing.
Regards
Darren

He who dies with the most toys is the winner!

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10-08-2005 08:55 PM  12 years agoPost 3
Yug

rrMaster

UK. Herts

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Hiya, am I right in thinking the seesaw is seesawing smoothly but the flybar is not rotating freely in the seesaw ? If so, yeou have either got nackered bearings, or more likely your mixer arm screws are too long, and are binding on the flybar in the seesaw.
Just as a side note, these days, I allways use domed head screws in the head in order to prevent catching on the oval links.

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10-09-2005 12:46 AM  12 years agoPost 4
webbhost

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england - Leicester

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just an update - guymartin you are right with the rotating bit, its not rotating properly (well it is but theres a friction / drag in it)

When the Plastic Stabiliser Control Rod is connected (but not connected to the washout unit) it seems to kick into play... im bringing this down to 1 of 2 likely things now...

either 1 : the stabiliser control rods are on the wrong way around
or 2: the stabiliser control rods nead reaming?

what do you think?

meh

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10-09-2005 01:12 AM  12 years agoPost 5
Yug

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UK. Herts

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Do you mean the washout unit is sticking then ?

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10-09-2005 01:19 AM  12 years agoPost 6
webbhost

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england - Leicester

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nope, washout is not sticking. Ive now found the cause of the problem : the Plastic Stabiliser Control Rod's link hole is needs to be reamed - it is at such a level, that i can put the stabiliser control rod on the link, and it will hover horisontally if i leave it there and let go, hole is too small on the control rod link hole.

meh

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10-09-2005 01:25 AM  12 years agoPost 7
Yug

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UK. Herts

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You should get your self a ball link reaming tool. I've found it invaluable in getting the setup really smooth.
I'm glad you've sorted it.
Are you going to be flying it like you did in the sim video ? if so, watch yer tail.

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10-09-2005 11:52 AM  12 years agoPost 8
webbhost

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england - Leicester

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im more aware of tail wag now i was not actually aware of "how" to sort that, i am now i wont quite be flying in the sim - ive chopped my head off too many times on that thing.ill take it easy - ill give it some easy hovering at first, and work each step ive learnt on the sim. yes it will probably be easy, but ill be limited at first anyway, because i need to run my engine in

yes im already looking at a ball reamer. Im actually surprised how much i "didn't care" for my heli's setup the last times i flew it. I put it down to bad mechanics at first, but now i get the feeling it was more boneidle and not wanting to spend alot of time on each part to ensure its working as smooth as possible.

On top of the ball reamer, i will also be getting a governer (because i dont know what a 1600 rpm headspeed sounds like etc) and ill also be getting a quick UK washout unit (for the 2 reasons : 1 i heard that they will wear down, and will need to be replaced - they should be thought of as a consumable, and 2: i double threaded it i cant double thread a metal one, and i can locktite a metal one to make it less likely to fall apart on me too. Thats the only QuickUK part im getting for now through, and only because it tends to survive crashes and may save me a crash one day (wear n tear, pins falling out etc)

meh

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10-09-2005 05:18 PM  12 years agoPost 9
webbhost

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england - Leicester

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well i just had the best bit of news yet i get paid thursday so i can buy my bits an bobs, and i got next sunday off work perfect timing, i hope its nice weather if any nuneaton users read this, hope to see ya there gonna be fun if the weather likes me

meh

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10-09-2005 06:46 PM  12 years agoPost 10
webbhost

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england - Leicester

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1 thing - do i want a 75mm ball reamer on a raptor 30? thats all i can find but it sounds too big, unless i dont understand how it works yet

meh

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10-09-2005 09:15 PM  12 years agoPost 11
Yug

rrMaster

UK. Herts

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Hiya
Give Midland Helicopters a ring for a reamer.
Turn your gyro gain down to stop the wag.
Buy a tach or, do what I do which is that I have generated several mp3 files of various headspeeds so all I have to do is listen to my Nuvo to set it up with the TJPro. I used the samples from XTR, and edited them in FoundForge on the PC to tune them correctly with a gear ratio of 8.5:1. I find using a Tach difficult to see. However, you could allways get a RevLockwhich has a bunch of preset ranges. I wouldn't bother with too many upgrades until you can fly well as you won't notice the difference.
You should spend a great deal of time and care putting a heli together. It pays dividends.

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10-09-2005 09:20 PM  12 years agoPost 12
webbhost

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england - Leicester

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hi,

Im getting a governer so i wont need to worry about engine speeds. I think ill tell the governer to run low RPM at first through because im running engine in, i dont want nothing big

meh

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10-09-2005 10:08 PM  12 years agoPost 13
dragonlord

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luton uk

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getting there m8 now

guys idear about sending you the mp3`s of head speeds is a great idear

like i was swaying to you other night cant set head speed to you know what it sounds like.

even with a governer you want to get head speed as best as posible ie
you want blades still attached to head long enought to land if governer fails.

best way to set it is hover and reduce trottel at hover to
it comes down to the right speed

set the top pitch point a bit high and then do a full power climb to it bogs then just reduce the top pich point till it dont bog

it not that hard get the head speed about right on that os 37
if you geromitry on servos is right hover trottel will be around 45%
and to pitch set at 11 and come down when it bogs to about 10 degs
thinks kevins happly pulls +10 and a bit with his os37

but you wont be doing a full climb out to you had some hover pratice

as for gyro just keep puting gain down a touch at a time to the wag stops

take it slow you see the wag slow as you come down a bit each time with the gain.

then after you get a bit beter at flying you fin you get a small wag after fast tail turns and your just drop it a touch more to stop that

hey was out today heli flew better with both washout pins atached today.

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10-10-2005 01:17 AM  12 years agoPost 14
Yug

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UK. Herts

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Webbhost, what gear ratio are you running ?

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10-10-2005 01:20 AM  12 years agoPost 15
Yug

rrMaster

UK. Herts

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If you get the TJPro, you have got to make sure you ave 100% ATVs for it to work correctly. However, setting the desired RPMs is still a tach job as the values given in the manual are no way accurate.

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10-10-2005 05:21 AM  12 years agoPost 16
webbhost

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england - Leicester

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dont know gear ratio - just standard raptor 30 v2 stock components

Is it still a tach job using a GV-1?

meh

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10-10-2005 10:57 AM  12 years agoPost 17
dragonlord

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luton uk

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if you get a rev lock no taco will be needed.

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HelicopterMain Discussion › in process of heli setup - got a problem with​flybar??
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