Algodoo

credit for throttle idea goes to Ramon54321

it reacts like a normal engine...
you have to put the throttle open to be able of starting...

controls:
up open throttle
down close throttle
s start engine
a stop engine
d put into low rpm (faster than closing throttle)

improvements will come later, like adding clutch,
making a car of it, making car realistic etc...

oh, and the clutch i will ad will be that if rpm gets high enough, it will get grip and starts powering the wheels... so not key controlled... oh, but you can press the clutch key (you will hear of it later) so it never powers the wheels...