(or kg per cubic meter) G = A percentage of the weight of Machinery (engines, sterndrives, outboards, etc., usually 75%) For Outboards See Appendix A at the end of this lesson. Pod width: 15-1/2" Made out of 0.100 inch thick 5052 marine grade aluminum Each small pod is 11 inches wide at the bottom. Anyone have any good/bad experience with flotation pods added to the rear of an aluminum boat? ( calculated using weight in the air of 1000 lb). If one were to add enough flotation material to do the job, there could be a substantial loss of accommodation and storage space, perhaps even making the boat impractical to use. Floatation pods are common on aluminum boats if the owner plans to frequent shallow water. Pods are to be welded or bolted to stern of the boat. Boat weight in the water is 600 lb. Fb = Amount of Flotation need to support the swamped boat Fp = Flotation needed to support propulsion equipment Use ONLY marine foam. It is a 15 foot aluminum jon boat with plenty of open space in the front and on the sides to add foam. The pods extend beyond the transom and add extra floatation to lift the back end up out of the water which is the heaviest part of the boat. I have a boat that does not have enough foam to suit me in case it gets swamped. Johnson outboard). I'm tempted to have a couple of flotation pods welded onto the back, but have reservations of how that affects handling, speed, and ride. In most cases, the hull will stay afloat due to the presence of some floatation material in the forward bow section of the boat. There are 2 ways to put foam flotation in the boat. However, it is possible to add some additional, low-cost buoyancy to the hull and greatly improve your chances of surviving a flip with almost no water ending up inside the boat. Right and wrong places. My only option is to use the spray in foam, it has the lining inside of the the cross bars and the floor is covered with the checked plate aluminum. This is on a used boat that has bin in salt water, not new aluminum. Fill-ins are available for any size Flotation Systems slip, and are custom-made to suit your application. I was looking to get a 20 foot skiff built. If I add styrofoam in the middle under the floor it will only add 300 lb of floatation. So don’t trust me. The slip can be entirely enclosed, or space can be left—as a 45-degree “V” or square end—in the fill-in for smaller watercraft docking. In the spring and early summer, we receive a volume of inquiries from folks with older boats wanting to install or replace foam for flotation. Copy from a new boat that has VERY same layout as yours.----- If at all possible. I am not being a smart as_. The choice was easy. Top. Flotation styrofoam for starcraft. Correction, Keep it all in the top half. PLEASE LEAVE A LIKE IF YOU ENJOYED!!! T hus, in the larger boat, especially those having many items of dense, heavy materials, other approaches to preventing sinking are resorted to. B = Buoyancy of flotation material in pounds per cubic foot. Flotation foam for Boats. I was wondering about how to prep a aluminum boat that was to be foamed to insulate/sound deaden/add floatation so as to not create the same problems the gas tanks in sea rays had? There is no other room for styrofoam. This customer in Buford, GA purchased 4 blocks of 1 lb density EPS 6” x 24” x 72” and cut them to fit in the hull of his row boat. I found one other place that had the same quality to offer but for $2,000 more for the same boat. CTMD Posts: 276 I am thoroughly pleased with my boat and Bobby and Lynn are really nice people. Keep all the foam block or spray in place in the TOP HALF of hull. They’re a staple on duck hunting boats and common on many other aluminum boats including catfish boats. 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