"Paul Herber" wrote in message
ell.net...
On Thu, 28 Feb 2008 19:24:40 +0000, wrote:

the water ( 234 litres at a lb a litre)

1kg per litre

Well not if you use the water you get when you melt dry ice which of course
is dry water which weighs a lot less than wet water.
--
Dave Baker
Puma Race Engines