Robin van Spaandonk wrote: > In reply to Harry Veeder's message of Sun, 11 Feb 2007 21:29:09 -0500: > Hi, > [snip] >>> of hydrocarbons. At least until we conquer anti-gravity, at which point they >>> will also be replaced, because AG craft can be powered from an electrical >>> source, which in turn can be derived from CF. Of course something like a >>> NERVA/jet engine cross, where the power is supplied by CF might also >>> eliminate >>> hydrocarbon consumption in jets. >>> >>> Regards, >>> >>> Robin van Spaandonk >> >> There something called magneto-hydrodynamic propulsion for submarines. >> Is that similiar to this NERVA/jet engine? > > Not that I am aware of. Magneto-hydrodynamic propulsion makes use of crossed > electric and magnetic fields to propel semi-conductive sea water through a > tube. > AFAIK it is very energy intensive, and not very powerful or efficient. > NERVA is a nuclear powered rocket concept, where a nuclear reactor is used to > provide heat to heat up hydrogen (I think). Ed, please verify/clarify as > required. A cross between NERVA and a jet engine would heat air instead of > Hydrogen. CF would replace the fission power source. > > Regards, > > Robin van Spaandonk > > http://users.bigpond.net.au/rvanspaa/ >
So it would run on hot air. ;-) Harry
