Algodoo

Yes, in middle of creation of F- Deluxe, i make a experimental engine.
I call it Fiddo- S (originally is for a Ship, this is why "S")
It have a rare "wave formed piston movement", 13 pistons a Front gear and Rear gear
Controls:
I-ignition (release principal axle)
S- start (little twist to start)
Up arrow-thortle (activate Thrusters)
Left and right arrows- Move the gear lever lever (Right=up Left=down)
FREE TO USE!