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poteet & main's speed demon

Full steam ahead for record-challenging streamliner

Steam-powered engines have been around for about 300 years, but they've never been known for amazing speeds. Now, a company in Florida and a streamliner designer from Tennessee are building a steam-powered streamliner vehicle.

Cyclone Power Technologies today announced it is working to "complete installation of the engine, gearbox, and fiberglass body" of the Cyclone-Williams LSR streamliner--a steam-powered car that could set a new land speed record.

More traditional land speed record-breaking streamliner vehicles, such as Poteet & Main's Speed Demon, can reach speeds of more than 450 mph, with 1045 hp and 672 pound-feet of … Read more

Dispatch from the desert: Poteet and Main Speed Demon lives up to its name

The turbocharged streamliner Speed Demon on Wednesday reached a speed of 409 mph at the three-mile mark on the long track at Speed Week.

Team leaders George Poteet, 60, and Ron Main, 65, have been breaking land speed records for years and have no intention of slowing down by the looks of it.

The 31-foot-long, 4,200-lb. streamliner is known around the world as one of the planet's fastest vehicles.

Speed Demon ran 405 mph with a 417 exit speed on Tuesday and did not complete a run on Monday.