trailer design for c22 swing keel

Status
Not open for further replies.
B

bill rosenblum

If possible could responders also email me their response directly to wirosenb@aol.com. Thanks. I bought used trailer with my boat about 5 years ago. Trailer has a wooden bunk on each side. Each bunk is mounted on 3 galvanized pipes, one on each end of the bunk and one in the center. The center pipe is shorter than the other two so the center of each bunk is about 5 inches lower than the ends. Thus each bunk curves downward in a gentle slope twoard its center. The boat is floatedf easily onto the bunks when the trailer is submerged at the ramp. The bunks support the bottom opgf the boat at a level just below the stripe. The bunks have rotted due to some stupidity on my part an have to be replaced. Before I do that I have the following questions: Why does the c22 owners manual say float the boat onto the trailer and warn against pulling it on via the trailer winch? Presumably the fear is that the protruding keel will get hung up if the boat is not floated. But couldnt one mount rollers on the trailer at heights sufficient to keep the boat above the danger mark? Then the boat would be fiully supported by the rollers and bunks would not be necessary. The boat could then be cranked up on to the trailer without having to immerse the trailer as deeply. This would make life much easier. What is wrong with this idea? Is the bow ring mounting too fragile to enable cranking the boat via the ring--I have the modern two bolt mounting for the ring.Is hull deformity more likely to occur if the bottom is supported at multiple points by rollers rather than by contiuous bunks? If the answer to the last question is "yes" and you think this is serious problem, then how come so many other fibreglass boats are cranked up onto trailers and hauled with roller support and nothing else?
 
Jun 4, 2004
94
Catalina 22 Cape Cod
OK here you go . . .

Bunk trailers are preferrable over roller trailers due to superior load distribution. Most motor boats use roller trailers rather than bunks. A sail boat is rather flimsy in comparison to a motor boat. So, most sailboat trailers are bunks. You could convert to a roller trailer, but you would want to use lots of rollers. The cost may be a little much, and you may decide to just replace those rotten bunks and float your boat onto the trailer like the rest of us. Regards, Ted
 
R

Ray Bowles

Does the trailer have an extendable tongue?

Bill, Many of the catalina trailers have an extendable tongue that puts the trailer much further into the water. the bunks on the trailer have that slope in the center so the boat fits perfectly when fully on the trailer. The bow eve should be straight in line with the crank when the boat is fully forward on the trailer. Many people don't get their boats in this position and the boat suffers. Ted was right on about sailboats being a little less stout than powerboats and that is the reasons for the bunks rather that rollers. Cranking your boat fully forward will probably pull the boweye out regardless of how it is reinforced. If you don't have a extending tougue they are easy to make or buy. Ray
 
Status
Not open for further replies.