Simon Hobson wrote:
On Wed, 18 Jan 2006 22:02:14 +0000, Capitol wrote
(in message ):


Well, Lithium is about half the density of water, so taking a previous
posters estimate of 600Kg, thats about 300 litres of water, approaching
70 gallons of space, 5 petrol tanks, plus the cooling space required,
say another(6th) petrol tank.


Oops, 600kg is 600kg, which would be 600l of water. If Litium is half the
density, then you'd need twice the volume for the same weight, so 1200l of
space - 4 times the sizes suggested above.


I think you may be correct, but I can't quite remember the full
reasoning I used! The energy density came into if I recall correctly, so
you only need half the weight. Suffice to say, it doesn't look a goer.

Regards
Capitol