All of today’s unlimited hydroplanes are powered by a single Lycoming T-55 L-7 turbine engine that once powered our military’s Chinook helicopters from as far back as the Vietnam War. The turbine is capable of outputs of around 3000 HP and runs on Jet-A (kerosene) fuel.
0. In the mid 1970s, Steve Ball of San Diego, California designed and built this unique 21′ boat and powered it with a Fiat engine to compete in the 850-cc hydro class. They went on to set a World Straightaway Speed Record in 1975 averaging 101.47 mph through the trap. More pics by Phil Kunz are here. March 21, 2021.