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Forum: Lagoon Catamarans

25-08-2017, 16:07

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Re: Block on top of 380 mainsail or not.

appreciate your comments. on a 450, i wouldn't do it. on the 380, with a main about half your size, different story. Had a comment from the lagoon forums on yahoo where i have the same post topic of...

Forum: Lagoon Catamarans

25-08-2017, 15:05

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Re: Block on top of 380 mainsail or not.

Really not worried about compression on the mast. The compression is taken by forestay , shrouds, halyard, luff.

The only issue is the sheave having 2x the force. And possibly my double braid...

Forum: Lagoon Catamarans

25-08-2017, 13:24

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Re: Block on top of 380 mainsail or not.

1. Thanks for the other link, i will read that.
2. Sorry to say, but basic physics lab would tell you that if you hung a 40lb wt from the ceiling with a spring scale it would show 40lbs with 1 wire,...

Forum: Lagoon Catamarans

23-08-2017, 12:57

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Re: Block on top of 380 mainsail or not.

Good point. Another reason for 1:1, not 2:1. I think I will try the no block solution for a bit. Won't cut the line just yet in case it is not as good.

Forum: Lagoon Catamarans

21-08-2017, 07:30

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Re: Block on top of 380 mainsail or not.

A winch provides way more power than the sail would ever need to be raised. Sheeting in a genoa in 25kts of wind needs way more power than raising a sail. Making it 2x easier on the winch, the winch...

Forum: Lagoon Catamarans

21-08-2017, 06:45

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Re: Block on top of 380 mainsail or not.

Mark, Thanks. Guy who fixed it just put a shackle up there. The eyesplice looks good. Assuming now that by bringing up the main too high he must have damaged the pin and it failed, fell, etc.
...

Forum: Lagoon Catamarans

20-08-2017, 12:07

Replies: 24

380 S2: Block on top of 380 mainsail or not.

Views: 5,457

Posted By jbinbi

Block on top of 380 mainsail or not.

My 2 year old 380 came with a block on top of the main to make it easier to raise. This is regular sail, not square top.

2 weeks ago friend who had my boat called to say that the main halyard let...

Showing results 1 to 7 of 7

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