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Topics - iampete

#1
A Temple Vang is an alternative kicker arrangement, a lever is attached to the boom at the gooseneck end at 90ish degrees and is pulled towards the mast under the boom, see attached pictures.
This has the advantage of freeing up space for the crew and reducing kicker loading.
However i'm not sure if it would be legal under the rules. 
As far as I can tell there a two rules that concern booms :

    • 9.3 Booms including fixed fittings, shall be capable of passing through a circle of 102mm diameter.
    • 9.5 Prohibitions: Jumper struts, permanently bent masts and booms, rotating masts and other similar contrivances.

    As I see it making a L shape boom (like the first picture) that could all pass through a 102mm diameter ring would be prohibited as a  "permantly bent boom".
    However a revovable leaver arm could be used as in the second picture, or would this be prohibited as a "Jumper Strut"?
    A few 12's have gnavs i can't see how they can be allowed and temple vangs not, just want to make sure before I breack out the epoxy  
     
    Peter
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