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All Forums >> RC Airplanes >> Crash & Rebuild >> Bent Prop Shaft
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Bent Prop Shaft - 6/24/2009 8:30 PM   
_kyle_


 

Posts: 96
Score: 100
Joined: 4/24/2004
Last Login: 8/5/2009
From: durham, ME, USA
Status: offline 		Hey guys, I had a little trouble after a crash that left my e-flite apprentice with a bent propeller shaft. It has a 15 size brushless motor. The motor still runs and the plane still flies, but it vibrates a ton, especially at a low speed. I was wondering if any of you have any experience with re-aligning the shaft. I have a student work study in a machine shop where I have access to all the tools. Thanks!

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RE: Bent Prop Shaft - 6/24/2009 8:59 PM   
mboland



Posts: 365
Score: 100
Joined: 7/20/2007
Last Login: 11/8/2009
From: BouldercombeQueensland, AUSTRALIA
Status: offline 		Disassemble the motor and run the shaft on a straight surface, glass is good, then using a hammer, GENTLY tap the high spots (not on the glass by the way). Keep doing this until you have it flat as you roll it across the glass. Most times it will be straight enough.
Alternatively buy a new shaft and reassemble.

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RE: Bent Prop Shaft - 6/24/2009 9:32 PM   
lejongleur


 

Posts: 308
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Joined: 2/25/2008
Last Login: 11/7/2009
From: Norwalk, CT, USA
Status: offline 		If possible, get a new shaft. I see that BL15 motor costs $70 (ouch). If you can't buy the shaft anywhere, call E-Flite. If that doesn't work, you might want to consider getting a similar replacement motor from somewhere cheaper, like hobbycity.com. It will be about 1/3 the price.

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RE: Bent Prop Shaft - 6/25/2009 9:02 AM   
frank99



Posts: 598
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Joined: 6/10/2002
Last Login: 11/8/2009
From: Sheridan, AR, USA
Status: online 		need a 4 mm snap ring for my hobby city motor any ideals where to get one, thanks frank

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RE: Bent Prop Shaft - 6/25/2009 2:15 PM   
_kyle_


 

Posts: 96
Score: 100
Joined: 4/24/2004
Last Login: 8/5/2009
From: durham, ME, USA
Status: offline 		Thank you very much, I will try pulling the motor apart and bending the shaft first. I appreciate the help.

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