Mailing List flyrotary@lancaironline.net Message #49287
From: Ed Anderson <eanderson@carolina.rr.com>
Subject: RE: [FlyRotary] Re: Primer in AC/DC Electricity
Date: Fri, 4 Dec 2009 17:46:25 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>

George, nothing really stops you from using 24 volts.  However, an auto conversion generally starts out as a 12V system meaning you can get the starter, alternator, injectors (where do you find 24 volt injectors {:>)), etc with the engine (most of the time).

 

Plus when you start talking about the range and availability and cost of 24 volt systems (and the need to have converters for any 12volt systems) you are generally talking “AIRCRAFT” prices. 

 

Besides, I can dead stick my 12Volts aircraft  in on the highway near a gasoline station and pick up a new 12V battery {:>) if it goes dead – can’t do that with a 24 volts battery {:>).

 

Yes, there are certainly advantages in using a 24 volts system – but, like anything else there are trade offs.

 

Just my $0.02

 

Ed

 


From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of George Lendich
Sent: Friday, December 04, 2009 3:45 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Primer in AC/DC Electricity

 

Kelly,

Being electronically challenged I had a quick look. It says 24 volts is better for aircraft use eliminating the need for extra batteries and alternator, I'm wondering why builders collectively don't already go that way. Are there complications or additional expenses to be considered or are auto conversions typically locked in to a 12 volt system for one reason or another - perhaps just the alternator.

George ( down under)

Group,

         Some of you may have already seen this and to others this may be knowledge that you carry

around in your head and use everyday but to someone like me whose schooling in AC/DC (Navy) 

electricity was 50 plus years ago and also something I do not use everyday the following link has

refreshed my old brain..............Hope some of the group finds it useful..............

 

--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold




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