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                           AeroElectric-List Digest Archive
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                     Total Messages Posted Thu 10/22/15: 1
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Today's Message Index:
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     1. 09:00 AM - Re: Re: Newbie with PM alternator feed question  (Robert L. Nuckolls, III)
 
 
 
________________________________  Message 1  _____________________________________


Time: 09:00:28 AM PST US
From: "Robert L. Nuckolls, III" <nuckolls.bob@aeroelectric.com>
Subject: Re: AeroElectric-List: Re: Newbie with PM alternator feed   question

At 09:14 PM 10/21/2015, you wrote:
>
>Bob,
>
>Working on the details with ULPower (the engine manufacturer).  Not 
>so much a concern for my endurance scenarios, but if I want to use 
>everything I'm going to have on the aircraft, (continuous loads), I 
>am in excess of 30 amps.  I have my notes which I will edit a bit 
>and post.  I would very much like some outside review of my "plans" 
>to see if I am on the right track with things...just need a few days 
>to get back into my notes.  Thanks for the interest and patience!
>
>Dave

   Take a look at the documents on the website at:

http://tinyurl.com/9rt6ymn

   You'll find the load-analsysi work product of
   several List members in Excel spread sheets.
   There is also a blank planning form that I use
   as the FIRST step of planning a new electrical
   system.

   Fill out one page for each bus . . . battery,
   main, e-bus, engine, etc. List the load and
   it's demands under each of the flight conditions.

   I've run load analysis studies on a lot of airplanes,
   one that even included pitot heat STILL came to
   less than 27A for a max continuous running load.

   It's really easy to get bogged down in the notion
   that an alternator be sized to run everything all
   the time . . .


   Bob . . . 

 

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