Spars, Rigging, and Hardware for Sailboats
|Listed below are the Original Isomat Boom Sections.
Original Isomat Booms are easily identifiable by their angularity (they are essentially
Octagonal, and hard chined), and an integral internal flat track on the bottom for special
Boom Bails. Later Booms Sections used by Isomat had smooth sides and
an integral internal flat track on the bottom, See:
Sparcraft FB Booms.
For replacement Boom Parts, determine which Boom Section you have by measuring maximum
Outside Dimensions of the Boom Section.
Note that Booms used with Furling Masts sometimes use upgraded Outhaul Systems with special Track and Ball-bearing Outhaul Cars, See: Booms for Furling Masts.
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