Which Block for my reefing lines?

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Dan

.
Jul 26, 2006
190
Hunter 420 Stamford
I have two 7/16, single line reefing lines on my Selden rig.
P (luff) is 45' 6"
E (foot) is 19' 3"
which, by my calculations, is approx 214 sq ft of sail.

To reef, each line pulls down on a D-ring at the luff and a grommet at the leech. My problem is that the lines running through the D-rings create a great deal of friction. It's hard enough hoisting the mainsail as it is, and the reef lines make it harder. I want to attach blocks to each of the D-rings to eliminate much of the friction. I don't want to buy a block that will fail, but I also don't want to buy a block that's way better than it needs to be. That's overkill (to my wallet, that is).

How can I determine the appropriate block to buy? :confused:
 
Oct 22, 2008
3,502
- Telstar 28 Buzzards Bay
First, your math is way off... (45.5 * 19.25) /2 = 437.9375

You'll probably need a pretty hefty block...like a Lewmar 60mm Control Block.

:D



I have two 7/16, single line reefing lines on my Selden rig.
P (luff) is 45' 6"
E (foot) is 19' 3"
which, by my calculations, is approx 214 sq ft of sail.

To reef, each line pulls down on a D-ring at the luff and a grommet at the leech. My problem is that the lines running through the D-rings create a great deal of friction. It's hard enough hoisting the mainsail as it is, and the reef lines make it harder. I want to attach blocks to each of the D-rings to eliminate much of the friction. I don't want to buy a block that will fail, but I also don't want to buy a block that's way better than it needs to be. That's overkill (to my wallet, that is).

How can I determine the appropriate block to buy? :confused:
 
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