subject: What Kind Of Rib Boat Hull Should I Look For? [print this page] Your boat hull is the most important part of your craft, its design can make the difference between a smooth ride and a bone breaking ride. It can be the difference between a slow boat and a fast boat, it can keep you dry or make you VERY wet!! So what hull will work best for you? Well the first thing you need to look at is the kind of boating that you do. After that we will look at what ribs for sale out there will work for your application.
The most common rib hull in the UK is the deep V, this is because our waters are characteristically rough. But what makes the deep V a good hull choice for rough water? Deep V hulls have a deadrise angle (the angle between the hull and the horizontal at the transom) of 20 to 28 degrees, this means that they generate less lift for any given speed because they want to carve down into the water. This is counteracted in almost all deep V hulls by the addition of chines, these are horizontal risers running the length of the hull to add lift, the other way extra lift is generated in some ribs for sale is the planing pad, this is a flat pad of between 3 and 12 inches wide starting at the transom and extending forward between 3 feet and 12 feet depending on the amount of lift required and the length of the hull.
The planing pad is a great addition to a rib as it will not generate enough lift at cruising speeds to make the boat bouncy but in calm conditions when the throttles are really opened it lifts the boat nicely, decreases the wetted area (area of hull in contact with the water) and increases speed and efficiency. When buying an engine look for outboards for sale with a higher hp as these hulls take a lot of pushing through the water!
So thats the deep V hull, next up we will look at the medium V, this will have a deadrise angle of around 15 to 19 degrees, usually found in ribs for sale around europe, this is a much faster hull and great for those who dont venture out much in rough seas, its much more fuel efficient and when you are looking for outboards for sale to fit the medium V hull, you will not need to splash out on quite so big an engine meaning less initial cost and cheaper fuel bills!!
Finally there has recently been the addition of ribs for sale with a catamaran hull, even with a hydrofoil midships to dampen the ride, these hulls from initial tests have proven very impressive in rough seas although the boats are a little expensive!!
by: Simon
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