Help to unscrew flywheel  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Car Engines >> Car Nitro & Gas Engines >> Help to unscrew flywheel
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Help to unscrew flywheel - 7/4/2008 12:00:02 PM   
jocondor


 

Posts: 8
Joined: 4/2/2008
From: Nest, ITALY
Status: offline 		Hi,
need an expert help to unscrew my flywheel from my nitro engine (Team AE .15).
What's the best way to stop the piston without damage and be able to unscrew the flywheel?

Thanks in advance for your time.

jc
       Post #: 1

RE: Help to unscrew flywheel - 7/4/2008 12:23:00 PM   
bikeracer


 

Posts: 151
Joined: 7/8/2006
From: , UNITED KINGDOM
Status: offline 		Best way I've found is to take the backplate off and wedge a plastic toothbrush handle between the conrod and the inside of the crankcase.

.

(in reply to jocondor)
       Post #: 2

RE: Help to unscrew flywheel - 7/4/2008 2:08:20 PM   
jocondor


 

Posts: 8
Joined: 4/2/2008
From: Nest, ITALY
Status: offline 		Thanks for reply!

What about "piston Stoppers" i saw for sale at LHS or on the Bay? Some people say not to use them, can they damage the engine?

There is any other way to stop the piston without removing the backplate?

Thanks!

jc

(in reply to bikeracer)
       Post #: 3

RE: Help to unscrew flywheel - 7/4/2008 5:34:34 PM   
Colt4g63


 

Posts: 266
Joined: 4/30/2005
From: New Albany, IN, USA
Status: offline 		Get a flywheel tool. There pretty cheap and do the job the right way. The piston stopper is something u would never catch me using...

_____________________________

Adam Blevins, Owner & Operator of AB Mods
X-Dyno equipped

(in reply to jocondor)
       Post #: 4

RE: Help to unscrew flywheel - 7/4/2008 6:38:54 PM   
twomanytoys


 

Posts: 4373
Joined: 1/23/2007
From: , PA, USA
Status: offline 		You can use vise grips. Just put a rag over the flywheel and clamp the vise grips on teh flywheel. Not super tight but tight enough to keep from slipping. Then use a deep well socket for the nut. This way you wont risk damaging the pistion or con rod. Its easy and most people have some type of vise grips.

_____________________________

J et A ssisted T ake O ff

(in reply to Colt4g63)
       Post #: 5

RE: Help to unscrew flywheel - 7/4/2008 8:58:39 PM   
NitroTherapist


 

Posts: 202
Joined: 5/2/2008
From: Miami, FL, USA
Status: offline 		Do not jam the crankcase with anything!! trust me I ruined my first nitro engine that way. I covered the flywheel with a rag and used my glow wrench to unscrew the clutch nut. Then to take the flywheel off the crankshaft I held a blow-dryer to it for like a minute and it came right off.

(in reply to twomanytoys)
       Post #: 6

RE: Help to unscrew flywheel - 7/5/2008 3:56:54 AM   
supermod


 

Posts: 243
Joined: 8/6/2007
From: lisbon falls, ME, USA
Status: offline 		flywheel wrench is a must

_____________________________

raze .28rr,17t,jp-2,spiral diffs,lightened cups/o.s .30vg modded/hyper 7 .21 8p,nothin but OD plugs and fule!

(in reply to NitroTherapist)
       Post #: 7

RE: Help to unscrew flywheel - 7/5/2008 2:54:33 PM   
jocondor


 

Posts: 8
Joined: 4/2/2008
From: Nest, ITALY
Status: offline 		Thanks for all your kind reply!

The problem is that since the flywheel is screwed on the crankshaft and not put by pressure the only way to take it away is to stop the piston so that is possible to unscrew it form the crankshaft.

At the moment there is only the flywheel left on the shaft, that's why i asked what's the best and safest way to stop the piston from working and be able to apply enough force to have the flywheel off.......

jc


(in reply to supermod)
       Post #: 8

RE: Help to unscrew flywheel - 7/5/2008 8:37:55 PM   
The_Collector



Posts: 1041
Joined: 7/7/2005
From: Reading, PA, USA
Status: offline 		Piston stopper is only thing I have ever used.


_____________________________

Operation: Chaos
Rush the vote!

(in reply to jocondor)
       Post #: 9

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