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07-19-2009 07:13 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Serious Head Speed Loss in Flip - Blades Folded
Rockohaulic 13 1283 08-02-2009 12:34 AM
AWSeeker
Tolla

rrApprentice

Cape Town, South Africa

Maybe he was in normal flight mode and not stunt. At the top when you bring the stick back to give negative pich, you're cutting the throttle. It's happened to me.
 

07-04-2009 06:51 PM  10 years ago
TopicTopic StarterReplyViewLast Post
Closed ••🚁Helicopter Thunder - RAPTOR 50
How can I tell if the Clutch liner/Clutch needs replaced?
Individual1 7 477 07-05-2009 03:48 AM
Individual1
Tolla

rrApprentice

Cape Town, South Africa

since its apart and you think its toat, may as well fit a new liner.
 

06-29-2009 06:59 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Titan se, throttle hold
nemo 9 536 06-29-2009 06:59 PM
Tolla
Tolla

rrApprentice

Cape Town, South Africa

I keep all my curve exactly teh same as well. That way my left fingers move the same regardless what mode I'm in.
 

06-26-2009 06:54 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Raptor50 guide pulley wearing through 📷
Tolla 9 964 06-07-2010 08:42 PM
Rojoalfa
Tolla

rrApprentice

Cape Town, South Africa

Thanks, will try that.
 

06-25-2009 07:23 PM  10 years ago
Topic Vote0Post 1
Topic Opening Post
Topic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Raptor50 guide pulley wearing through 📷
Tolla 9 964 06-07-2010 08:42 PM
Rojoalfa
Tolla

rrApprentice

Cape Town, South Africa

Raptor50 guide pulley wearing through
This is the secont one now. My left side tail belt guide pulley wears through. The bottom about 1/3 of the pulley gets chewed by the belt, which then pops off the pulley and runs against the frame below the puley. I have notice that my belt rides a little lower on the left pulley than on the right side. The bottom of the belt pretty much rides against the retaining lip.I assume this is due to the twist in the belt; that the left side will run lowerthan the right.A friend is going to turn some ali pullys for me now. Has anybody else encoutered this?
 

06-19-2009 08:18 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 30
Diesel Raptor 30... 📷 ( page 1 2 3 4 ... Last page )
Steve91T 100 14278 11-13-2010 02:29 PM
Steve91T
Tolla

rrApprentice

Cape Town, South Africa

When converting a motor to diesel, will the diesel version run at the same RPM as the nitro? Or does the diesel run a lower RPM? In other words, will the headspeed remain what it is.(1950 in my case, which is about 17000 motor RPM )?
 

05-12-2009 06:36 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
rc store in cape town southafrica?
arck 2 778 05-14-2009 04:10 PM
arck
Tolla

rrApprentice

Cape Town, South Africa

I Generally go to Clowns Hobbies in Milnerton. They also have a branch in Bellville and will 'shuffle' spares from one shop to another if needed. Google 'Clowns Hobbies.co.za' for address details or P.M. me for more help.
 

05-10-2009 06:00 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Raptor 50 gyro mounting
BillRosa 13 614 05-11-2009 06:03 PM
BarracudaHockey
Tolla

rrApprentice

Cape Town, South Africa

Double-sided tape is plenty good, but every now-and-again it does need to be replaced. I check every nut and bolt after every flying session, which includes checking the gyro mounting tape. If it came loose, simply replace the tape. Some tape is better than others.
 

05-10-2009 05:56 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Just how much cyclic ?????
GREYEAGLE 8 636 05-10-2009 05:56 PM
Tolla
Tolla

rrApprentice

Cape Town, South Africa

I use +-10 on collective with 6.5 on cyclic. Any more on either of them causs bogging. Coupled with the green paddles 6.5 deg. on cyclic is fine for me.
 

04-25-2009 06:56 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Venom Micro Temp Onboard Gauge Battery Life 📷 ( page 1 2 )
aadams1278 34 3742 05-08-2009 11:42 PM
aadams1278
Tolla

rrApprentice

Cape Town, South Africa

aadams1278
We've got a long weekend and I'm hoping the weather will play ball. I plan to test different plugs straight after each other also to see what effect this has on temperatures, given that all ambient conditions will be the same.I will be making notes as I go.
I have two sensors mounted, one in between the fins but pushed right up against the combustion chamber. The other still under the plug.Later I plan to move the one under the plu to onto the baseplate, lets see what the actual baseplate temp is during flight compared to head temp.
My original concern was that my motor seems to run hotter than others. There must be a maximum temp after which engine damage will occur.So thatt's really my interest: what is the maximum allowable head temp before engine damage occurs.
Since we are into winter now and the cooling air blowing over the fins will have a big effect, this is a long term project that will extend into summer when those scorching days are again with i
us.
Raptor 50
600mm glass blades
Home brew fuel, 15% Nitro,7% castor and 7% synthetic blend
at sea level
Plugs various to test: all O.S.
 

04-23-2009 06:14 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
50 Titan Bearing Size
cwright 3 448 04-23-2009 06:14 PM
Tolla
Tolla

rrApprentice

Cape Town, South Africa

Heli 770 is correct
and d6 D13 W5 goes inside the hclutch bell
 

04-23-2009 05:39 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Venom Micro Temp Onboard Gauge Battery Life 📷 ( page 1 2 )
aadams1278 34 3742 05-08-2009 11:42 PM
aadams1278
Tolla

rrApprentice

Cape Town, South Africa

I recently ran a sensor on the head under the plug and one bewteen the fins on the head, but not right up against the combustion chamber. I wanted to see what the actual difference in temperatures is between the two locations at the same time. The difference is considerable, between 25-35*C.Se temp readings will vary, depeding on wher the sensor is fitted.
Next i'm going to fit a sensor on the backplate so that i can get an accurate reading which I can then compare to the 'touch the backplate' method.
Looking at my temp graph I notice that the temp will drop rapidly upon hovering and landing, so even if the backplate falls withing the 'touch' limits, the temperature of the head during flight may have been all the way up to 180*C at some time during flight.
It stands to reason that if you cannot touch the backplate after landing, that your ,motor would have been running hot.
 

04-22-2009 07:39 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Venom Micro Temp Onboard Gauge Battery Life 📷 ( page 1 2 )
aadams1278 34 3742 05-08-2009 11:42 PM
aadams1278
Tolla

rrApprentice

Cape Town, South Africa

aadams1278
I think i may have been getting dodgy temperature readings since that motors piston and ring were on their way out. Also, my temperature sensor was looped arount the cylinder head. I have since replaced piston, ring and liner and moved my temp sensor to right at the glow plug for, more accurate head temp readings.
Now,(today) an actual cylinder head temp reading of around 150*C (say 332F) will give me a count of 5-7 on the backplate right after landing.
I think, however, that the motor is running too cool at 150*C as I have way too much bogging.
Also, I was trying different glow plugs today and the O.S.#8 gave me way cooler temperatues and a straighter graph than the 'hot' plug of british manufature i was trying also.With the hotter plug teh temperature flucuations were quite severe.
 

04-16-2009 08:29 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
losing engine power in maneouvres ( page 1 2 )
meowsqueak 37 1457 05-13-2009 12:57 AM
dashpilot
Tolla

rrApprentice

Cape Town, South Africa

I'll second 'Big Edge' I just replaced my piston, ring, sleeve and bearings and I've got power like never before.(OS Hyper)
I run 15% nitro at sea level and that's plenty. I find that anything less than 1950 on the head (governed) will tend to produce some bogging, so at lower headspeeds collective management is needed more.
I have +-10* pitch, green paddles and 600mm Funkey glass blades.The count on my baseplate is 6-9 seconds, so all indications are that the motor not running to hot.( having said that, i have my datalogger hooked up as well and the cylinder head temperature runs up to 160*C; go figure)
 

04-08-2009 07:18 PM  10 years ago
Topic Vote0Post 1
Topic Opening Post
Topic StarterReplyViewLast Post
••🚁Helicopter Thunder Tiger
new os glow plug
Tolla 3 466 04-08-2009 11:03 PM
jschenck
Tolla

rrApprentice

Cape Town, South Africa

new os glow plug
The LHS showed me a new OS plug today. Called the no.7, it is a medium hot plug specifically aimed at the OS Hyper motor. In heat range if falls between the A3 ( hot plug, now to be called no.6) and the good olld no.8 plug.

no.6 (A3) hot
no.7 medium hot
no 8 medium
can't remember the rest.....
 

03-29-2009 07:42 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Venom Micro Temp Onboard Gauge Battery Life 📷 ( page 1 2 )
aadams1278 34 3742 05-08-2009 11:42 PM
aadams1278
Tolla

rrApprentice

Cape Town, South Africa

governed at 2100 with an ATG ver3 governor. Datalogging the RPM tells me that the governor is fluctuating between 1900 and 2100, depending on how I load the head. If I richen the motor more then power suffers.I don't think I'm too hot, just wondering what other OS Hypers are doing.

Recently I had a sudden loss of power in flight, so I landed. Turns out I had a leaking fuel pipe, causing my motor to run very lean. The baseplate was way too hot. Checking the datalogger later showed that the motor was pushing 140*C ( 285F)
 

03-29-2009 04:41 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Venom Micro Temp Onboard Gauge Battery Life 📷 ( page 1 2 )
aadams1278 34 3742 05-08-2009 11:42 PM
aadams1278
Tolla

rrApprentice

Cape Town, South Africa

My OS Hyper runns a lot hotter than that in flight.Actually, the temp changes during flight, I suppose as the load on the motor changes. With the Eagletree I get a graph of the whole flights temp and it averages 110-125*C ( I make that 230-250F)
Anybody got any actual readings?
 

03-28-2009 06:32 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Getting my 50 back in the air and need suggestions for servos
stocky 8 710 03-31-2009 02:39 AM
Fireman
Tolla

rrApprentice

Cape Town, South Africa

I'm happy with my Towerpro TS-160 sevos. High speed, high torque, 2BB and MG for $48.
 

03-28-2009 06:25 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Venom Micro Temp Onboard Gauge Battery Life 📷 ( page 1 2 )
aadams1278 34 3742 05-08-2009 11:42 PM
aadams1278
Tolla

rrApprentice

Cape Town, South Africa

So what kind of maximum temperatures is the motor runing at? I've got my EagletreeV3 hooked up together with the temperature loop around the head. Curious to know what temperatures you all are getting.
 

02-15-2009 01:30 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
What Battery
scouse 10 1240 02-28-2009 08:20 PM
vavavoom
Tolla

rrApprentice

Cape Town, South Africa

I have my Eagletree hooked up to my Raptor50.

In 10 minutes of hard flying with some mold 3D I use 390Mah ( call that 400 Mah per 10 minutes flight).

The maximum amps drawn barely exceeds 2A ( That's the total that all the electronics are drawing at once, together).

My 1900 Mah Nicad will last 3-4 flights (4*400=1600 Mah)

During the 3rd flight the minimum batt voltage recorded is 5.13 volts

Cylinder heat temperature ( using the temp loop around the head) Runs between 110 and 125 degrees Centigrade.( at an ambient temp. of 30 deg Cent.) This may seem high but if landing and giving the 3-4 second count rule on the motor base and comparing this later with the actual cylinderhead temperature at that point in time it is within limits.

The motor is screaming, with the head running up to 2300 RPM ( if you do the math, that is the maximum that the O.S Hyper will do)

Fuel is homebrew,and when I destroy the motor, i'll let you all know what not to use...
 

02-04-2009 07:47 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
2.4 antanae question 📷
CUJO 14 892 02-07-2009 01:08 AM
AaronJohnson
Tolla

rrApprentice

Cape Town, South Africa

I'd venture to say that's a pretty good match for the Towepro TS-140...
 

02-04-2009 07:23 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
2.4 antanae question 📷
CUJO 14 892 02-07-2009 01:08 AM
AaronJohnson
Tolla

rrApprentice

Cape Town, South Africa

jschenck.
You got those servo specs handy by any chance? Just curious whether it's possibly the same servo under a different brand.
 

02-04-2009 05:14 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
2.4 antanae question 📷
CUJO 14 892 02-07-2009 01:08 AM
AaronJohnson
Tolla

rrApprentice

Cape Town, South Africa

jschenk.
That servo horn looks familiar. Towerpro servo?
Am running Ts-160 servos myself.
 

01-29-2009 04:31 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
aileron and elevator throws 📷
schucb 16 1186 01-30-2009 03:54 AM
natew
Tolla

rrApprentice

Cape Town, South Africa

BarracudaHockey
you say you've turned some peoples throws down. How many degrees do you use/ suggest? I find that st 6 degrees rolls are ver slow, even with light paddles. There's no way I can get 8 degrees out of my swash plate, even 7 degrees is almost impossible before teh swashplate reaches it's max deflection.And I always get more deflection one way than the opposite.
 

01-07-2009 04:07 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder Tiger
Too high UBEC voltage?
Tolla 13 1514 01-08-2009 02:04 AM
MickeyMoo
Tolla

rrApprentice

Cape Town, South Africa

Thanks all. I'll drop JR a line.
 

01-06-2009 07:05 PM  10 years ago
TopicTopic StarterReplyViewLast Post
Closed ••🚁Helicopter Thunder - RAPTOR 90
90 as second heli
kenghock 15 720 01-08-2009 04:25 AM
kenghock
Tolla

rrApprentice

Cape Town, South Africa

I went from a Trex450 (Which I was really knocking about the sky , including some 3D) to a Raptor 50 and am as happy as a pig in s....t.
One of my flying buddies loves his 90 but hates the high fuel consumption. I'd say it's a tough call. If money is a lesser problem then a 90 might be the way to go. But if you're going to restrict the type of flying you rally want to do because you don't want to crash an expensive heli, then a 50 might be better?
 

01-06-2009 06:54 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Raptor 50 Titan Tail Rotor Servo Linkage
aadams1278 17 1122 01-06-2009 06:54 PM
Tolla
Tolla

rrApprentice

Cape Town, South Africa

mmmmmm, some interesting points coming up.Never considered the vibration of the CF rod. Not that it seems to create any problems.
My stock system got very gritty in te guides, with all the oil and dust creping in there. There was also far too much slop, especially when the rod was being pushed.
 

01-06-2009 06:45 PM  10 years ago
Topic Vote0Post 1
Topic Opening Post
Topic StarterReplyViewLast Post
••🚁Helicopter Thunder Tiger
Too high UBEC voltage?
Tolla 13 1514 01-08-2009 02:04 AM
MickeyMoo
Tolla

rrApprentice

Cape Town, South Africa

Too high UBEC voltage?
My Turnigy 5/6v UBEC puts out 5.3v at the 5v setting. Is this too much for sevos and especialy my JR G490T gyro which are rated at 4.8v?
 

01-06-2009 05:18 PM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Raptor 50 Titan Tail Rotor Servo Linkage
aadams1278 17 1122 01-06-2009 06:54 PM
Tolla
Tolla

rrApprentice

Cape Town, South Africa

BarracudaHockey. I've never actually stripped any myself either.But the possibility is there, of course. I prefer a straight run to the tail without the need for tail rod supports also. Zero chance of binding and friction that way.Just a straight rod from servo to tail with nothing to get in the way in between.
 

01-04-2009 04:56 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder - RAPTOR 50
Raptor 50 Titan Tail Rotor Servo Linkage
aadams1278 17 1122 01-06-2009 06:54 PM
Tolla
Tolla

rrApprentice

Cape Town, South Africa

I run my tail servo on the boom ( on aftermarket boom rings) and replaced the stock with a CF tail rod. Much better IMO.
I prefer the tail servo to be on the boom, in a crash the boom often slides into the frame. With the servo mounted on the frame, you may strip servo gears as the pushrod also slides forward but the servo is still fixed.
 

01-04-2009 04:37 AM  10 years ago
TopicTopic StarterReplyViewLast Post
••🚁Helicopter Thunder Tiger
radio guestion.
helibro 8 485 06-27-2009 04:26 PM
xeon1000
Tolla

rrApprentice

Cape Town, South Africa

I use a DX6i on my Raptor50 no problem. U cannot, however , mix cyclic to throttle. This mix does not function on the DX6i, unfortunately.
 
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