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Posted by ~~NoMad~~ on March 20, 2008, 6:15 pm
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>I have noticed the govt. has turbine powered generators putting out 28v
>d.c. They look big by their picture and I think they are used for aircraft.
>Has anyone used them? I am curious about how they start, HP rating, noise,
>power output, fuel eff. and fuel type. Being DC output should make them
>good battery chargers.
> Stormy
>
I used these things when I was in the USAF and I would estimate they put out
about 100KW. They put out 115vac at 400 cycles and 28vdc at about 150 amps
if I remember correctly. They start electrically from internal 28 volt
battery bank and make a real cool whooping sound when they start up. We
called them whoppers. I always got a real kick out of starting them up. The
tach would spin up to 38,000 RPM before the fuel was dumped in. I suspect
they have a 100 gallon fuel tank and use JP4 jet fuel. If I remember
correctly they burned through the fuel pretty fast.
NM
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