Self-tacking Jibs seen at the Stockton Sailng Club Docks

The Sacramento River Delta is a maze of narrow channels. Many channels are only 50 yards wide.

Many, if not most, of the sailboats are fitted with self tacking jibs. The self tackers are used for upwind and downwind.

Above: Most of the older self-tacking boats at the Stockton Sailing Club are set up with a club-foot (aka jib-boom). The club foot is mounted to a base that slides fore & aft on a track. (IIRC, I didn't see too many of these old boats that had roller furling, but there's no inherent reason you can't use RF with a club foot.)

The end of the boom is sheeted to a traveller track just forward of the base of the mast.

The pedestal is aft of the forestay by about 10%-20 of J. The boom hits the bow bow pulpit when it's eased out for reaching -- it rides up on the bow pulpit, lifting the clew of the sail. You can sail with it that way, but the sail shape is horrible. The pedestal base can be pulled aft as the sail is eased, so the boom clears the pulpit and isn't forced up.

Above: "Soling-style" radius'd traveller on a Catalina 270 with roller furling. There is no clubfoot on the jib. The forward shrouds have been removed from the cabintop, and reinstalled at decklevel and slightly further aft. Moving the shroud aft permits a larger sail area (but probably doesn't do good things to rig integrity). Without moving the forward shroud, the maximum jib that wouldn't rub the shroud would have been about 80% of LP.
Above: Installation detail on Catalina 270. Typical of several newer installations I saw.

Above: Installation detail for Catalina 270. Typical clewboard for roller furler sail. Allows for some sheeting angle adjustment. Also slightly increases the maximum sail area. Most of these sails are exceedingly high aspect, and about 95% LP.

I wonder how these high aspect sails look when sailing off the wind. I suspect the top third twists off excessively. And given the narrowness of the traveller, I suspect the clews are hooked to windward unless a whiskerpole is used.

Above: Another soling-style radius'd track, used with a roller furler jib. This is an older installation than the C270. I didn't note whether or not the forward shrouds had been moved aft or not.
Above: An older curved track and a "newer-style" track. The older style was mounted directly on the cabintop and was typical of the type used for club-footed jibs.
Above: nother "newer" style track installation with a roller furler jib without a clubfoot. The forward shrouds were moved aft on this boat. This was a 1980's Catalina 30, I think.
Above: Clew board on RF jib used with a "soling-style" track.




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