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Code Zero Sprit compression loads


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I’m getting a code zero to run off Selden Carbon sprit.

 

Will be putting the sprit out around 1.1 to 1.3m.

 

Loads will be taken by the luff and a bobstay to the knuckle of the bow. 2:1 tack line to ease compression on the tack line

 

The Selden sprits are nice units but the weak link is the Wichard copy folding padeye which is all that anchors the unit in compression. This is anchored through the deck by 3 m8 bolts. The padeye is rated to 2tonne.

 

If I run 1 tonne of luff tension i’ m calculating about 1 tonne of compression.

 

So question for those that may have done this,... for a FRO on a 10.5m 4 tonne boat, what’s the luff tension likely to get to? In the real world.

 

Been advised the forestay runs around the 2 tonne mark.

 

I’ll use high density filler, plywood and stainless backing plates to reinforce the fitting.

 

The sprit itself, bobstay and fittings will be plenty strong.

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