Mailing List flyrotary@lancaironline.net Message #63308
From: Jeff Whaley <flyrotary@lancaironline.net>
Subject: RE: Permanent Magnet Backup Generator
Date: Mon, 17 Apr 2017 16:19:01 +0000
To: Todd Bartrim <flyrotary@lancaironline.net>

Great article Todd; I have followed this discussion over the years and would love to have that back-up system on my engine.  I just never seem to have the time or willing to make the time necessary to do it – if I ever go through another engine removal or tear down … thanks for the effort.

Jeff

 

From: Todd Bartrim [mailto:flyrotary@lancaironline.net]
Sent: Monday, April 17, 2017 5:32 AM
Subject: Permanent Magnet Backup Generator

 

Many years ago we discussed on the list various ways to implement backup electrical sources for our electrically dependent engines. A great amount of discussion was around permanent magnet type of generators. 

   An idea was hatched and discussed, then forgotten. Except I didn't. Some years and a few sleepless nights later I set upon achieving this. Most of the work was done and reported to the list quite a few years back, but at that time I knew I had to set it aside for some time as I had other commitments. 

  At last report I had finalized the mechanical aspect but had made no attempt to integrate it into the electrical system. I've now finalized this and yesterday ran the engine for the first time. Everything worked excellent! So far it seems to have been a tremendous success.

  So I have updated my word document of the procedures for this modification. Including a wiring diagram. 

For your entertainment I've put it on Google Drive in Word format where it can be accessed at the following link

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