www.pulse-jets.com

Off the top of my head, Softcad Int. has a free 3d program called softcad lite or something like that. Here's the link:

http://www.softcad.com/

should be able to find it in the download area.

Peace,

Mike

I believe he said "cases".

You can think till you pass out but I doubt you'll find a definite answer to this question.

Let's start with choice. You can choose to go to the park or you can stay home working on engines instead. You can have a beef and bean burrito at Taco Bell or you could go to IHOP and have, what else ...

These people:

http://www.newworlds.com/

Are developing a nuclear ramjet aircraft concept for powered exploration of jupiters upper atmosphere with Phase 1 and 2 funding from the NIAC. The project is summarized here:

http://www.newworlds.com/ramjetjp.html

And at the NIAC website here:

http ...