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gdesdigu

Heliman

China, France

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Hi guys, I need your help here... I've just flown for the first time my Turbulence and I noticed some things around the start shaft...

1/ When starting the engine the start shaft will go up eventhouh there is no play at rest which brings up 2/

2/ The manual recommends putting a rubber o-ring between the clutch bearing and the dogbone pin. After the first flight it must have melted because that area was heavily smoking... after disassembly the plastic coupling was all chewed up...

My question is how did you guys shim the dogbone area so that the pin goes deep enough in the coupling? Is rubber ring ok?

Thanks guys!

12-18-2016 09:45 AM
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payne1967

Elite Veteran

uk

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mine is as per the instructions
please note never use the align super starter on the turbulence or you will have the plastic connector being chewed up
I only ever made this mistake once

member of save the flybar foundation

12-18-2016 10:20 PM
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gdesdigu

Heliman

China, France

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Thank you Payne, I'll leave it like this then. Thanks for the tip, which starter are you using or recommend?

I went flying again and some more smoke came out from the clutch after landing and it's worrying me. I'll take the engine out again tmr to see what the hell is going on here. The only things that could get hot there are the clutch and clutch shoe but it smelled like burning plastic... I'll keep you posted.

12-18-2016 10:47 PM
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payne1967

Elite Veteran

uk

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I use a Sullivan dynatron
I borrowed the align starter the once when the engine stopped at the flight line, never again

it sounds like you have oil or grease on the clutch liner
and the clutch is slipping

member of save the flybar foundation

12-18-2016 11:47 PM
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gdesdigu

Heliman

China, France

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Cool, I'm going to get one of those. Would be using the included rubber coupling with a hex start shaft ok or should I get one that screws on the starter?

I'll check any signs of over heating. Since the engine is new I was just hovering at 1650 rpm so there was not any "3D" kind of load on the clutch... I'll check it anyway, I never fly anything I don't trust

Thanks a lot

12-19-2016 12:36 AM
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gdesdigu

Heliman

China, France

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Ok so I've taken the engine off and found that the o-rings have split and one of them must have fallen in between the clutch shoe and clutch thus melted. That would explain the smoke... We can actually see melted debris stuck on the clutch surface. The pin must have crushed them.

I'll try to find some washers with the outer diameter close to the inner one so that they clear the inside of the clutch shoe's plastic coupling.
Here's what happened to the coupling after using an align starter twice...

12-19-2016 08:38 PM
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gdesdigu

Heliman

China, France

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Well after further inspection I found out that two screws holding the plastic coupling were bent aaaand one of them broke inside the fan stand... obviously the plastic coupling is busted so I've got that going... that was an expensive flight!

12-19-2016 09:15 PM
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fastrc1

Key Veteran

Brooklyn, NY-USA

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test test

RIP Roman Pirozek Jr.
Team SRW Comp
Zeal Blades U.S. Flight Team
HRP
Citizen #664
Team Venom Power
Team CanoMod

12-19-2016 09:41 PM
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