Yesterday I built an extremely fast vehicle. It can get through a whole level (256 blocks) in less than 10 seconds (including acceleration, and less than 9 seconds for the actual space you have), and you have to stop it with water with 0.99 drag and 5000 density (it still hits the wall after that). If you don't stop the wheels from rolling soon enough it will go totally crazy. Its design is relatively simple though, and its mass is just 1300... (I wanted 1000, but some wheels broke)
And of course I designed it within Gish's limits, so you can enjoy the whole ride with some luck. I had to use water with 2 density and 0.2 drag to prevent Gish from getting stuck into the wall at the end 9/10 times.
Has anyone built a faster vehicle?
post the level with the vehicle!