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Ever thought about building your own catamaran? Here's an illustrated guide to one sailors project building a beautiful A-Class catamaran out of plywood. A big thank you to the builder, Chris Williams, for letting me share his work with the rest of the beachcat sailors.
Hobie-18 rudder castings come in two flavors: Pre-1987 and 1987 on. They’re easy to tell apart, as the newer systems use a plastic cam to hold and release the upper casting, while the older systems use a metal one. Both are supposed to work the same way, with the rudder kicking up when an obstacle is encountered or when the skipper wishes to beach the boat. However, the pre-1987 Hobie-18 rudders have an annoying habit of not releasing or kicking up when you want them to. I’ve even busted a tiller arm or two yanking up on them to try to get a rudder to release. I always had to keep a tool with a long end that I could insert from behind the release cam in order to trip the mechanism whenever things would stick – not very convenient or even safe under some circumstances.
The Hobie 20 sports an advanced tiller connection with features of easy disassembly, accurate turning, no binding, and reduced or eliminated slop. All other models, however, have a bolt with spacers, a spring, and a nylon lock nut. The same kit (part number 1953, $104) from Hobie will add these features to the 14, 16, 17, 18, and 21 cruiser.
A catamaran is a highly efficient way of transforming sail power into
boat speed. Most Hobie sailors are quite satisfied with the power available
from their normal rig in even moderate winds. In heavy winds many sailors
find that power quite difficult to keep under control. However, there are
always those times when we try to find a bit more power and a bit more
speed. If you sail in light winds, or if you just like the speed of a catamaran,
then you are probably looking for another place to crank on a bit more
power. Your sail trim is the most obvious place to look.
Upgrading trailer rollers from single to double.
After switching from a H-16 to a P-18, I thought that since the 18 seemed to have more weight on the front single roller of my trailer, a second roller should be added. I made up a simple bracket that can be bolted in place of the single roller. I purchased an additional roller (in my case, 9") for each side and picked up the necessary metal at a local weld shop...