The commonly accepted way is to design longitudinal and transversal metacenter heights equal.

Catamaran hull shape design. As one of the oldest hull shapes imagine two logs tied together catamarans occupy a small niche in America and larger niches in some other areas of the world. About Hull Shapes in Multihull Design. Instinctively you might think that fine ends would be faster as they would cut through the water better.

Itll be of interest to readers here that enjoy technical. The beam between hull centers is named B CB Figure 2. Catamaran hulls can be designed as planing or displacement hulls but they are not slowed nearly as much by the drag barrier.

Some catamarans especially production boats which are very popular in the charter fleets are growing wider by the year. It was noted by the student that through his experience as a sailor a fair amount of rocker is common in many sailing catamaran designs. Prowler Semi-displacement Prowler VT Vapour Trail Growler Whisper The semi-displacement hull is a slim hull shape with a canoe-end underwater aft meaning this hull simply.

Here we use the height from buoyancy to metacenter commonly named B M. Using two hulls bridged by a deck the catamaran design provides additional beam increased stability and at the same time increased speed the slim twin hulls have little drag. The effectiveness of this hull shape is ideal for cruising cats as well as racing boats and we have been using it on a wide range of designs including the new Raku series of cats.

The benefits of purchasing a design from Design Catamarans Ltd after decades of studying catamaran hull shape performance research and development design and production this company specialises in designing catamarans and nothing else. Here are some very interesting discussions about hull shapes for multihulls. The most important catamaran design hull shape factor is the Prismatic Coefficient Cp.

If we set LBRC 22 the longitudinal and transversal stability will come very near to the same value. Chincogan 52 Soul trims with her transoms well clear even though in this shot she is fully loaded for long term cruising. Long time multihull sailor Ian McGehee who is a regular contributor at smalltrimarans with his insightful commentary sent the following to me a few days ago.