On 2007-10-08, Dave Michelson wrote:
Andre Majorel wrote:

Been wondering... Rocket engine turbopumps must need quite a bit of
power. Where does it come from ?

The usual approach is to burn some of the fuel and oxidizer in a
preburner or gas generator. This produces the hot gas that drives the
turbines.

That's elegant. No batteries, no dynamos, no ICE.

Thanks for the explanations, folks.

--
André Majorel URL:http://www.teaser.fr/~amajorel/
(Counterfeit: )
There is always someone somewhere who needs a good laugh.