On every trip from home I have to go under Northam Bridge in Southampton (the photo shows a friend doing the same). Seatern has an arrangement to make lowering and raising the mast easier. I've been asked how well this works so, since I needed to lower the mast to re-align the wind vane, I made a short movie of raising it at the jetty. Normally I would do this underway on the river.
Here are still images featured during the video (click to enlarge):
Boom gantry + lower shrouds
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Boom attached to mast
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Boom detached from mast
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Attachment plate with sail track
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