Mailing List flyrotary@lancaironline.net Message #30623
From: Russell Duffy <russell.duffy@gmail.com>
Subject: RE: [FlyRotary] Small Alternator
Date: Fri, 10 Mar 2006 07:51:36 -0600
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message

I need a small 60A alternator for my rotary.  Does anyone have a lester number or know the year/model of a suitable alternator?  I perfer Mitsubishi but ND would be OK.  I will want to modify it for external field shutdown, but would perfer to use the internal regulator.  I have little room under my cowl, so it needs to be 4 to 4.5 inches in diameter, weigh about 7 lbs.

 
Hi Bill,
 
It's only 55 amps, but you might look at the Ultra Mini #2026 at- http://www.ecae.com/alt1.html
 
I've used two of these, and you can indeed turn them on and off via the control wire.  I'm not sure it's exactly a field wire, but probably more like an input to the internal regulator. 
 
Van's includes an internally regulated 60A alternator in their FWF kit, and I believe it has the ability to be turned on and off as well.  My kit is coming next Tuesday, so I'll know more about it when it arrives. 
 
Cheers,
Rusty



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