[beastfromeast]

Thanks Fritz, I appreciate your comment. I have to admit that u're right about the lose of energy that is created only by the heat reaction, as u say, I check my physic books, or rather in my dynamic and material strengh books. But whatever, when u take a step back, u have to admit on your side that it's not the ideal engine design.

By the way, thank you for the links, especially the how stuff works one, it's very interesting, as much as this thread instead of many useless thread on AF.

Peace y'all, Raph...