Few people understand exactly what a step in a boat hull does, and why it's advantageous. in this video we go through the boating basics of stepped hulls - what they look like, why they improve. That is why it is so complicated to find a step design that can "help" the performance throughout the speed range of a performance boat. for example, the design and manufacturing tolerances are far more critical in stepped hulls than in non-stepped hulls.. Step hydroplanes have been around for many years. during the first world war the british company, thorneycroft built 40 foot stepped hull motor torpedo boats which displaced almost 4 tons that were capable of 34 knots from a 250 bhp engine..
Understanding design and performance of stepped hulls . so many readers have asked me about “stepped hulls” and with this in mind, i thought it might be a good idea to write a brief article about this concept and design feature on the hull bottom of a planing hull. stepped bottoms have been used for a very long time to improve performance. a. The first time i ran a boat with a step hull, i was a bundle of nerves, my mind abuzz with stories of stepped racing hulls, throttles pinned, the driver hanging onto the ragged edge of control, each high-speed run fraught with the potential for disastrous spinouts or a stuffing of the bow.. Beneteau air step® hull reviewed by boattest.com with air step® technology enjoy reduced fuel consumption, a linear and quicker acceleration, and optimized turns..
