In a Firehouse exclusive, Mike Kalman shares how a childhood love of fire trucks inspired him to design and build a miniature engine complete with sirens and a water pump.

A Fully Functional 9cc V-Twin Engine Is a Great Way to Blow $600 The miniature engine runs on gasoline, produces less than one horsepower, and revs to 8,000 rpm. Peter Holderith Jan 25, 2022 6:30 ...