That is silly. There is no way for a viewer to measure the weight of material but the volume is quickly seen. They can see the size but not know the mass of the material inside. How do you expect to burn gasoline inside a sealed brass sphere? You need oxygen for that. Date: Sat, 27 Jul 2013 15:23:00 -0500 Subject: Re: [Vo]:Kitamura much improved From: [email protected] To: [email protected]
DJ Cravens <[email protected]> wrote: Perhaps someone here would like to figure how long I would need to run a sealed brass sphere to rule out chemistry from 4 g of active material or even 200 grams total material. Simplify! Just use the energy density of gasoline, 42 MJ/kg. No common fuel is better. Only a few exotic fuels are better. If you want to be absolutely sure, double it to 84 MJ/kg. That is very conservative because it does not include the weight of the oxygen in the burned fuel. - Jed
