US flame-thrower company Throwflame is now selling the Thermonator, a robodog with a flamethrower strapped to its back. The Thermonator, not to be confused with The Terminator, is available online ...

like this wrist mounted flame thrower. It’s a build that does things in both a simple and complicated way, all at once. Fuel is provided by a butane canister with a nozzle that needs to be ...

If the flame moves around, it could set up oscillations that eventually could burn through the jetpipe or damage the end of the exhaust nozzle. Designers often also add pilot lights downstream ...