REFLECTOR: 12 Volt .vs. 24 Volt

Scott Baker sbakr at comcast.net
Sun May 17 18:55:14 CDT 2009


If you are planning to use the G900X, be sure to use 28v.
Also, Albert Kasky and Bruce Topp have a gob of great avionics and 
accessories for sale at reasonably low prices - all of which operate on 28v.
It might be worth going to 28v if you buy some of their equipment.
SB



----- Original Message ----- 
From: "Brooke Wolf" <bwolf1 at tds.net>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Sunday, May 17, 2009 3:31 PM
Subject: REFLECTOR: 12 Volt .vs. 24 Volt


> All
>
> Almost every time I start a new phase in the building process of my 
> XLRG-5, I am a bit slowed because I have not decided on an electrical 
> system. I would be interested in hearing the opinions of the  collective 
> as to any advantage of a 24 volt system.  It would save  some weight with 
> smaller gauge wire, but I think the weight savings in  negligible.  Other 
> than that, I can't think of an advantage.  One  major sticking point in 
> the decision making process is Cessna, Cirrus,  and others.  Are they 
> putting 28 volt systems in their new airplanes?   If so, one would assume 
> there are good reasons for doing so.  Does any  one know what those good 
> reasons might be?  I've got to get off this  fence and get on with my 
> project!!
>
> BTW I plan on a robust electrical system (probably 2 alternators, 1 
> battery) to support a fairly sophisticated IFR panel with sufficient 
> redundancy for serious weather flying.
>
> Thanks.....Brooke _______________________________________________
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