Algodoo

1 - ignition on/off
2 - crank engine
!! 3 - smoke on/off !! (MAY BE USEFUL IF YOU HAVE A WEAK PC)
left - accelerate
down - toggle current throttle pos
(makes no sense when idling)
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idle speed spring has its own window.

this engine carb has an extra idle throttle valve powerd by (absent) vacuum ,something like in a real carburetor , you could say it is really unnecessary but i like details and i like to try new things out.

oh, and it smokes if you want it to do so.

tested at 360 HZ at 100% realtime ,revs up to ~70 rad/s.