WattFlyer RC Electric Flight Forums - Discuss radio control eflight - View Single Post - replacement shafts
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Old 04-10-2013, 05:20 PM
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Wildflyer
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Join Date: Sep 2009
Location: Lacey WA, 1 mile E of Mushroom Corner
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I'm not sure about your motor, but some use a groove cut into the shaft for a snap ring which keeps the rotating parts from flying off.
In some cases you can extend the shaft and install a collar with a set screw on the extended shaft, and drill a hole in the firewall.
The groove for a snap ring is hard to do properly unless you have a small metal lathe.

I recently bent the shaft on a SuperTigre ST 10 outrunner, it is not replaceable.
I chucked the prop end of the shaft in my drill press, and rotated the drill press by hand until I knew exactly the high point of the bend. I used a Harbor Freight digital caliper to find it. Then I tapped firmly on the shaft at that point. In a few minutes, I was able to reduce the runout or bend to about 1-2/1000". Shaft was bent over 1/16" when I started.

Motor runs great, prop tracks perfectly, no cost, I'm happy.
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