Join Date: Jan 2003
Location: Maine Coast
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Many jams can be directly attributed to not applying enough back pressure to the furling line as you let out the sail.
If you were to just let the sail pull the line out, as the wind filled the sail, and put no tension on the line it can becomes a nasty, balled up lump, of loosely wrapped furling line quite quickly that can then jamb the drum.
Other jambs are caused by "halyard wrap" at the top of the extrusion. This can be avoided by installing it at the proper angle or adding halyard wrap preventer.
Over the years I've owned furlers from six different manufacturers and they all worked well, ok except for one, and user error, on my part, was usually the only reason I ever had a jam..
Also during spring set up make sure that when the sail is furled you don't have a ton of excess line on the drum. It's a good idea to un-wrap extra line so you don't over fill the drum and risk a jam..
-Maine Sail / CS-36T
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Last edited by Maine Sail; 01-04-2008 at 11:17 PM.