Specmar inc (previously specialty marine contractors) is an aluminum boat design, and lofting company. we have a large product line including aluminum drift boats, aluminum landing craft, aluminum monohull boats, aluminum catamarans, aluminum special purpose boats, and aluminum ribs (rigid inflatable boat).. Jet boat design & construction "the ultimate aluminum jet boat design" we achieve our claim of providing you the "ultimate aluminum jet boat experience" by first designing and building the absolutely best hull for performance, strength, safety and comfort in the industry.. Custom designs. if you have an idea for a custom design, please contact us. we specialize in aluminum power boats both commercial and pleasure. we do custom designs from 15 to 60 feet..
Science educators commonly use aluminum foil boat making projects as a way to teach students about design and buoyancy. the culmination of these projects is often to test all the boats to determine which student's design is capable of holding the most weight before sinking.. On occasion i had seen other aluminum boat builders install a 4 1/2 inch carbide tooth blade in a 4 1/2 inch grinder. they have less mass and if they bind they are harder to control kick back but sometimes due to access, they are used.. So if you can’t find an aluminum design of the size and type you want, you might check designs in steel – the closest material alternative. but steel is considerably heavier than aluminum, so boats designed for steel are usually designed for greater displacement..
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