Algodoo

This is a Fokker Eindecker with a 9-cylinder rotary spring engine. It simulates a monosoupape engine in the regard that it has no throttle. As such, the guy who starts it has to either trust the pilot's quickness on the blip switch or get out of the way quickly!

Anyway, enemy 2-seaters were spotted crossing the lines and Feldwebel Heinrich here needs his engine started up so he can go scare them away. Simply grab the propeller and pull it counterclockwise to start the engine. Ready?

"Contact!"