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HomeAircraftHelicopterGasser Model RC HelicoptersOther › Helibug Trex 600"G" conversion clutch problems
04-25-2011 12:48 AM  7 years agoPost 1
fixed3d

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Whitefish, MT.

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I got my 600 all done and have flown a few tanks through it so far with excellent results, BUT, the clutch has gone away twice on me now, I used a new stock Align Trex 700 clutch as Helibug recommends, I adjusted the shoes out so they had about .002" between them and the liner, had another 13 min. flight today and landed, went to spool back up and the engine revved high with very little engagement. I ordered a Quick UK clutch and hope this will fix it. Any other suggestions? I am running a Zenoah G270RC, it is a great engine with no vibes and lots of power and runs nice and cool. Looking forward to lots of stick time, just need to resolve this issue. Thanks for the help!

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04-25-2011 12:59 AM  7 years agoPost 2
theriddick45

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United States

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You just did good on ordering the quick UK clutch is the best one out there so far I have done almost 3 gallons and no problem. With this clutch you don't have to change the liner either. Good luck!!!

Hope this help!!!!!!!!

Suzi Janis 800e & 700e 3blade both w/Ikon

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04-25-2011 04:26 AM  7 years agoPost 3
fixed3d

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Whitefish, MT.

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Thanks, hopefully that should take care of the problem.

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04-25-2011 02:04 PM  7 years agoPost 4
kogibankole

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albuquerque/ibadan

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im only at half gallon with mine stock clutch

if im not blade bogging youll find me pack puffing

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04-30-2011 03:06 AM  7 years agoPost 5
fixed3d

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Whitefish, MT.

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The Quick UK clutch took care of the problem, It works great and no more slipping! This gasser may beat out my 600E for "most favorite heli ever"

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04-30-2011 03:09 AM  7 years agoPost 6
fixed3d

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Whitefish, MT.

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Riddick, thats a real nice looking heli, I'll bet it shows up better in the air than mine. How do you get away with keeping it in the house? My wife can smell mine three rooms away!

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04-30-2011 03:40 AM  7 years agoPost 7
theriddick45

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United States

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fixed3d.

I use Colman fuel it does not smell at all. And if she says anything I tell her honey I just turn on the BBQ. LOL!!!

Suzi Janis 800e & 700e 3blade both w/Ikon

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04-30-2011 03:45 AM  7 years agoPost 8
fixed3d

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Whitefish, MT.

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I've heard of the Coleman fuel working well, how is the power compared to gasoline? I fly 3D and need as much power as possible, the manual that came with the motor said to run premium 92 octane gas, any idea what octane rating the Coleman fuel is? Thanks!

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04-30-2011 04:23 AM  7 years agoPost 9
theriddick45

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United States

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fixed3d.

Colman fuel is about 55 octane. I have never use regular gasoline so I can't comment in terms of power. I guess Raja use gasoline. I have been told this Zenoah motors run better with low octane fuel rather than 87 or 93 but I really don't know. It has been working for me with tons of power. Check my post here is the link.

https://rc.runryder.com/t636466p1/

Also gasoline contain etanol which gum the Carburator. Colman is more clean burn cleaner and smell good.

Hope this help!!

Suzi Janis 800e & 700e 3blade both w/Ikon

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04-30-2011 04:54 AM  7 years agoPost 10
rbort

rrProfessor

Franklin, MA - USA

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What I can say about this
Is that for a modified G26 motor, I tried running high octane gas per request and compared it to regular gas. In the case of my tests, I found some rpm loss (I posted it before) with the super fuel.

Now I never tried coleman, but it may be possible that there might be some rpm gain with that with the lower octane fuel. There are some modified motors out there that can only run on super fuel due to high compression, but the standard ones don't benefit from super fuel.

Someone who runs coleman may want to try that and compare it to regular gas and post results here as to what they find.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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04-30-2011 06:08 AM  7 years agoPost 11
fixed3d

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Whitefish, MT.

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Well, I guess a trial test is in order, hmmm...

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05-07-2011 07:28 AM  7 years agoPost 12
fixed3d

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Whitefish, MT.

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Quick UK clutch still holding perfect! Planning a Coleman vs gasoline test soon.

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05-07-2011 10:56 AM  7 years agoPost 13
ally42

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milton keynes uk

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clutch fix
There seems to be some issues regarding trex clutches. This was my only concern on my helibug when I built it over a year ago.
I talked to quick uk about the issue and I learned a lot. The problem seems to be that the nitro clutches are designed to spin a lot faster than we commonly run them in gasser conversions. The solution is to increase the mass (weight) of the clutch.
When the lynx clutch became available I looked into its design, but decided that although it increased the contact area, (the fingers are longer) but the mass was little more than the standard align item. Quick uk said that their clutch does not offer more grip, but has a redesigned pivot point and is made from better material, mostly to improve reliability and prevent failure from the fingers breaking off.
The solution is to increase the weight of the standard clutch by adding steel to the finger area. This was done to a standard align clutch by bolting weights to the fingers from below. The hardest part was making sure the weights were identical and mounting them in the same place.
I just used a thick washer. cut with a hacksaw and mounted with 3mm bolts and loctite to the clutch fingers.
This mod has now been running in my helibug with no issues. It is a simple operation to fit, and can be done to either a standard or Quick uk clutch.
I could write pages about the theory regarding clutches and the inconsistancy of align cltch bell sizes, but at the end of the day this fix is cheap and permanent.

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05-07-2011 05:24 PM  7 years agoPost 14
fixed3d

rrApprentice

Whitefish, MT.

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Thats a real nice looking solution. If I have any more clutch problems I will give this a try. Planning on flying alot this weekend if the weather clears some.

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08-22-2011 02:00 PM  7 years agoPost 15
Azalin

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Ankara-Turkey

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Well i have ordered 2 new Lynx clutches (newly designed for trex 700 gasser). My current Align one does slip the Lynx liner. I hope the new clutches will solve this.

http://helidirect.com/lynx-gas-heav...700-p-22279.hdx

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08-23-2011 12:37 AM  7 years agoPost 16
torque

rrKey Veteran

bolivia , north carolina

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Azalyn,

i just installed a lynx clutch , day and night difference, to the good. you will like it.

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08-23-2011 11:12 AM  7 years agoPost 17
Azalin

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Ankara-Turkey

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OK i just received the clutch. Looks nice.

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08-23-2011 02:17 PM  7 years agoPost 18
Azalin

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Ankara-Turkey

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Ok i have looked carefully and noticed that clutch is faulty.

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08-23-2011 04:32 PM  7 years agoPost 19
Doug Darby

rrVeteran

Dallas, Texas

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I agree... Looks like a bad manufactureing job to me.

doug

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08-23-2011 06:22 PM  7 years agoPost 20
rbort

rrProfessor

Franklin, MA - USA

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Where is the lynx made?
The people's republic?

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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HomeAircraftHelicopterGasser Model RC HelicoptersOther › Helibug Trex 600"G" conversion clutch problems
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