REFLECTOR: Cotter Pin for drive gear on Mag?

gstull at tampabay.rr.com gstull at tampabay.rr.com
Sat Nov 3 17:14:29 CDT 2012


Don't bother with a stainless pin, it's hard enough to bend the cotter pin over. The reality is any cotter pin will retain the nut. I've never seen a cotter pin sheared whether mild or stainless steel. 
---- Kevin Baker <flykb at verizon.net> wrote: 
> Hi All,
> For those A&P folk out there...
> 1) What type of cotter pin is acceptable to us on the gear drive/castle 
> nut on the end of a magneto?
>      (ie - stainless steel only? or cad plated or ?) Didn't know if 
> there were certain metals (ie- pins made out of x) that would be acceptable.
> 
> 2) I know there is little clearance over the end of the gear so is it 
> better to bend the cotter key over the end of the mag spendle
>      or is it ok to use the alternative method of bending the pin around 
> the castle nut (ie- around the axis to the next spade on the castle nut)?
> 
> Thanks,
> Kevin Baker
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