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Old 10-02-2021, 12:14 PM
Michael Wellenzohn's Avatar
Michael Wellenzohn Michael Wellenzohn is offline
Join Date: Aug 2007
Location: Zuerich, Switzerland
Posts: 157

Thanks for that additional piece of information. I couldnít find any drawing about the Planepower FS1-14 regarding point of gravity but itís slightly heavier with 6 lbs which get it to 24.9 lb*in. Iíll need to measure my oil filter extension to understand what spacer Iíll need.
Thank you all for the information.


Originally Posted by hgerhardt View Post
Re: those backup alt spacers: Need to be careful that the overhang moment isn't exceeded of the vacuum pump pad. The Lycoming TCDS only allows a max of 25 in-lb and if a 1" spacer is used with that BC410 backup alternator, you're at 24 in-lb. Reference the B&C BC410 drawing and the Lyc TCDS below.

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Old 10-02-2021, 12:29 PM
JDA_BTR JDA_BTR is online now
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The tool that makes it a lot easier is a wobble extension, so that the crowfoot on the nut can move up to 15 degrees off vertical. The wobble extensions are sold in various lengths and are very popular in the offroad vehicle segment. I have them in 3, 6 and 12 inch lengths. You would be amazed what you can get to with two wobbles on.
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