Mailing List flyrotary@lancaironline.net Message #63312
From: Todd Bartrim <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Permanent Magnet Backup Generator
Date: Tue, 18 Apr 2017 01:02:41 -0700
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Thanks for the comments, however I came up short in the presentation. Not sure why I didn't think to convert it to PDF to begin with, but here it is now;


This is a much smaller file that retains the proper page layout. I wrote it in a .odt format (linux guy), but when you save it in a .doc format it gives a big warning of the terrible things that may happen to it and apparently they were right. And then Google docs had it way with it as well.

This one will be much easier to read, so please discard the other copy and use this one.

Todd
C-FSTB

Whatever you vividly imagine, ardently desire, sincerely believe, and enthusiastically act upon... must inevitably come to pass

Todd Bartrim

On Mon, Apr 17, 2017 at 1:44 PM, Neil Unger <flyrotary@lancaironline.net> wrote:
Todd,  exceptionally well done, 10 /10.  You probably still won’t sleep at night wondering what can go wrong.  Good luck,  Neil.
 
Sent: Monday, April 17, 2017 7:31 PM
Subject: [FlyRotary] 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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