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HelicopterBeginners Corner › BIG Problem really need help locked up heli
01-03-2013 09:56 AM  5 years agoPost 1
danewb

rrNovice

abilene texas

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So I had a really weird thing happen today. I have a compass knight 50 that has a hyper 50 in it. This morning I went out and flew about a quarter of a gallon. But when I went to start it the last time today the starter locked and the blades quit spinning to the left and the starter hole will not spin left. I dont know what happened. The blades spin right with no problems...Any Information will be greatly appreciated.

Also if you try to start and let go of heli the whole heli spins around the starter...

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01-03-2013 10:24 AM  5 years agoPost 2
wrongler

rrProfessor

Brewerton, New York

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Could it be the one way bearing is locked up. Not sure what right and left is? Clockwise and Counter Clockwise will help.

Bill Whittaker

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01-03-2013 02:38 PM  5 years agoPost 3
doorman

rrProfessor

Sherwood, Arkansas

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Possible Clutch Shoe
It sort of sounds like you broke a clutch and the pieces grab in the clutch bell..
Just a guess, but a starting point and if not this then I would have to lean towards the one way bearing going bad also...

Good Luck, Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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01-03-2013 02:54 PM  5 years agoPost 4
Dr.Don

rrVeteran

Cedar Park, TX -- USA

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Agree with the broken clutch shoe hypothesis. Pull the clutch and check it.

Dr.Don

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01-03-2013 06:33 PM  5 years agoPost 5
danewb

rrNovice

abilene texas

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Im just curious how it could be the clutch. The heli has only had a gallon of fuel through it. But the clutch or the one way bearing does make sense. I also noticed the the front bearing on the motor and the clutch assembly were an inch or so apart. They should be against each other. Not sure what it is but gonna pull it tonight and find out. It scares me because its a brand new motor and I thought it locked up.

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01-03-2013 07:20 PM  5 years agoPost 6
doorman

rrProfessor

Sherwood, Arkansas

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Think You Found It!!!
If there is a space between the clutch assembly and the engine, you may have lucked out and only had the nut that holds the assembley to the crankshaft... if so, when you put it back on, I always used blue locktite on the nut and also a crank locking tool to make sure that it will not back off again...before the locking tools came out (OLD SCHOOL) I used to put the handle from a toothbrush under the crank pin and then snug the bolt.. it only happend to me once or twice while flying nitro... If you do find the bolt loose, also check your clutch for anything being bent from the force you put on it trying to start it.. with a little luck all should be OK though...

Good Luck... Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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01-03-2013 07:33 PM  5 years agoPost 7
Frank Bostwick

rrElite Veteran

Cincinnati Ohio

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Im betting you find the clutch retaining bolts are loose, allowing the clutch to rise and jam the assembly.......Do post your findings!

RIP ROMAN

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01-03-2013 08:40 PM  5 years agoPost 8
danewb

rrNovice

abilene texas

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I think i found it as well. I will pull tonight and check. So you said a toothbrush works well when tightening the bolt? Since I dont have a crank holder. I will try to get some pics posted as well.. Keep you guys updated thanks for all the help.

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01-04-2013 04:53 AM  5 years agoPost 9
danewb

rrNovice

abilene texas

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Well i lucked out big time.. The issue was the fan seperating from the motor do to the bolt coming lose. The only damage is a broke fan which i just happened to find online for 4 dollars. I appreciate all of the help from everyone. I cant believe something as simple as that did it. Our club pro said the reason it did it was the engine tried to run backwards on start.

Thanks Guys and Happy Flying Cheers

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01-04-2013 04:58 AM  5 years agoPost 10
MNNightflyer

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Minneapolis, MN USA

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Bump. Good looking out guys.

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01-10-2013 11:34 PM  5 years agoPost 11
flycatch

rrApprentice

Barstow, California

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One way bearing failure.

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01-19-2013 11:35 AM  5 years agoPost 12
Eleven_Bravo

rrVeteran

Salisbury,NC

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What FBoss said you spun the clutch off with the starter.

Happened to me a few times on my R50 agravating to say the least.

ENGAGE!!

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HelicopterBeginners Corner › BIG Problem really need help locked up heli
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