![]() ![]() They are sometimes referred to as "bore and stroke" classes. Thirteen of the PRO classes are based primarily on motor displacement. While, typically slower than Hydros, the thrills of racing runabouts are unmatched, just watch a runabout round a buoy and you'll see the difference! While there is great variety in runabout design, generally they have a flat riding surface, tapered to a point in front, and do not channel air under the hull. ![]() Runabouts have certain restrictions, like minimum lengths. The design is generally unrestricted, challenging those who wish to experiment in boat design and construction. Hydros ride on a cushion of air the boat contacts the water's surface on two sponsons (projections) and the propeller. The boats are of two distinct designs-Hydros and Runabouts. Typically the left hand works the spring-loaded throttle and the right hand handles the steering wheel. Most drivers kneel in the cockpit some boats are driven in a lay-down position some have the driver seated. Most are made of wood but carbon fiber, honeycomb and other high-tech materials are also used. How do you choose the best class for you? PRO Boats are roughly 9 to 14 feet long and weigh 100 to 250 pounds. Looking for power? Completion engines in the PRO category can run at upwards of 13,000 RPMs - compare that to a typical stock race car that runs at 7,000 RPMs and you'll understand why we think water beats pavement any day. With 19 classes, PRO boats speeds range from moderate to blazing fast, old tech to cutting edge tech and cost ranges from extremely affordable to substantial investments. Professional Racing Outboard (PRO) is the most diverse and electrifying category the APBA has to offer. ![]()
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