Algodoo

Includes some newer concepts to prevent it from exploding.
Now it assumes a somewhat controlled burn for a longer time than last!
The higher-up lasers catalyze or "enable" the fuel and the bottom lasers ignite them.
The upper lasers are needed to prevent the entire fuel tank from exploding.
The u g l y b e i g e c i r c l e attracts the uncombusted fuel to pull it toward the nozzle.
Grey box contains an onCollide script that can ignite the fuel if it hits anything at more than 10 m/s!
Dark pink circle demonstrates that the fuel really doesn't like materials named "fire" and will attempt to attack it by exploding.

k thamks baii x 2048