Algodoo

I guess it just converts repulsion potential energy to kinetic energy.
But still interesting.

Your tank's AP shell is also good, Kilinich. It's, ah, unique.

Should I say looks like realistic?
Elevating forth increase in propotion to its moving speed. That is what I meant.
Anyway it can fry like a realistic airplane.

Using air friction to limit speed is one of good ways but it takes long time to reach maximum speed and it is ah... tiresome for me to find good balance between engine power & friction.
I just need limited speed.

Now you can watch the video which I refered.
http://www.youtube.com/watch?v=WFBh62fKkGo

Ｉｎ addition, using air friction results in small engine power.
This airplane loses velocity instead of altitude.
It is realistic behavior but not fun for me to control. I want extra power to fly freely.

Maximum 9 rpm I know

>datslok1
I guess it's still too heavy for ordinary PCs.
It has many collisions to be calculated.

Thank you everyone.
Ya I made it on Algodoo phun edition v5.28.