Here’s a hack that’s been around since the very start of the hot rod movement. Car exhaust flame throwers work by interrupting the spark to the engine. This dumps raw fuel into the exhaust system.
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 ...