Swing-arm centre sheeting

> 10 years ago
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ChrisClarke
ChrisClarke
51 posts
51 posts
25 Jan 2013 7:54am
Not quite - I think if you search for images of the 'Elementarry' proa designed by Rob Denney you will get the idea. I think he used box section carbon booms bonded directly to the masts. Significant reduction in hardware too.

I would post a picture myself but I am on my poxy iPad and can't figure out how to make it 'just work'.
Gizmo
Gizmo
SA
2865 posts
SA, 2865 posts
25 Jan 2013 10:56am
Have a look at how the 'Laser' sailing dinghy do it, the mast and boom are fixed and rotate together.
ChrisClarke
ChrisClarke
51 posts
51 posts
25 Jan 2013 8:51am
It is true that the Laser mast and boom rotate together but the end of the boon can still flap up and down - that movement is still controlled with the kicking strap and sheet. I am suggesting fixing the boom absolutely rigidly to the mast and it having a deep enough section to act as an effective cantilever.
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