🔥 Steam Cannon on Wheels: Motorcycle Reaches 337.8 km/h on Vapor

The steam-powered motorcycle Force of Nature covered 402 meters in 5.5 seconds—second only to a rocket-powered bike.

British engineer Graham Sykes and his wife spent six years building the motorcycle, trying five different versions before getting it right.

🔍 Inside the bike are 120 liters of water under high pressure, preheated to 260°C. At launch, valves open—pressure drops instantly, the water flashes to steam, and shoots out through a nozzle at roughly 1.1 times the speed of sound. The bike ejects 40 liters of water per second. Sykes describes the sound as an "almighty sonic boom."

At launch, the rider experiences about 6g of force—similar to a fighter pilot in a supersonic jet.

✈️ Sykes is now working on a new version that he hopes will be even faster. When asked about safety, the engineer is blunt: the bike will never be completely safe—you can only reduce the risk.

Would you ride a motorcycle like this?

🔥 — Yes, for the thrill
🎃 — No, never

@hiaimediaen