Limited hydroplane racing classes are inboard-engine powered boats that use high performance gasoline fuel. grand prix hydroplane racing [ edit ] grand prix (gp) is a class of boats featuring supercharged big-block v8 piston engines producing as much as 1,500 horsepower.. A hydroplane (or hydro, or thunderboat) is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. a key aspect of hydroplanes is that they use the water they are on for lift rather than buoyancy , as well as for propulsion and steering : when travelling. A - class 2.5 litre modified the hull has to be a minimum of 16' long. boat weight must be a minimum of 1225 lbs. if you are using 155.5 cubic inch - ford, chevy, pontiac, datsun, bmw, or alfa romeo motors. the boat must weigh a min. of 1325 lb. if you are using a 166 cubic inch gaerte, esslinger, or fontana engine..
Nitro, petrol & fe classes. 1/8th scale hydroplane aim: to duplicate the sport of full sized hydroplane racing as closely as possible, with model boats that are configured, painted and detailed like their full sized counterparts.. He was totally dedicated to the sport of competitive boat racing for all of his adult life. talented in all aspects of boat racing he was adept at boat building, engine building and maintenance and very skilled as a driver in several apba inboard classes. he also worked on one of the unlimited hydroplane teams for a while.. 1968 jones kit racing boat 19', 280 class hydroplane, 273 dodge, 340 crank and rods. circle track pistons balanced, ported. very low hours on rebuild. mallory racing distributor. clean history of never wrecking. this is a potentially lethal boat. not for amateurs! see it run!.
