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
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.
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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