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The airless wheel might take a bit of getting used to, but it helps with suspension, simplifies the tyre by not needing air and a vent, damage to sidewalls becomes a non factor and no worries about whether the tyre is at the right pressure.
Yup those big bulldozers – they’ve built a yellow car to beat the previous 1973 land speed record for diesel cars. It’s called the Dieselmax.
The driver will be the same guy that drove Thrust SSC to breaking the sound barrier and land speed record in 1997, Wing Commander Andy Green.

Good luck to them!

Brian Walker, mad scientist and all around crazy person, plans to shoot himself 20 miles into the air in a homemade rocket launched from the world’s biggest crossbow. The rocket, which has a jet turbine with 1,350 pounds of thrust, will shoot off the track of the giant crossbow shown above, which is equipped with a 24-foot carbon-fiber bowstring. At the peak of his flight he’ll be traveling at a comfortable 10 Gs, and he’ll be wearing a $15,000 surplus Russian space suit to stay safe, because everyone knows the Russians will sell anything for a price.
http://www.uberreview.com/2006/06/worlds-largest-crossbow.htm/