Stainless steel mast beam support arches.

Stainless steel support arch forward piece

Stainless steel support arch aft piece

Mast beam support plate finished aft

Mast beam support plate finished fwd center

Mast beam support plate finished fwd port

Mast beam support plate finished fwd starboard

I am happy to report that the new mast beam support plates worked perfectly. Even after hours upon hours pounding through small craft advisory conditions over a couple of days with the shrouds and stays at their racing tensions there was not the slightest flexing of the mast beam.