Westerly longbow, Chainplate deck fitting failure

18 years ago I lost my rig due to a fatigue failure of the U-bolt to which the port cap shroud was attached. It was quite a beefy U-bolt and a surveyor had judged it to be adequate without bending it to align it with the shroud. After the failure I did some very rough stress calculations and demonstrated that mis-aligned U-bolts are to be avoided.

The legal costs of this incident almost certainly exceeded the cost of the new mast and rigging: fortunately it was my insurance company that was paying!
 
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