Catboat Forum


The pin will break

Posted By: Tom Ray
Date: 7/17/08 12:58p.m.

Report: outside forum guidelines

In Response To: It's interesting that the rudder moving an inch (Dave, Sun Cat #103, Grand Haven, MI)

If your rudder is pinned down and you hit something hard, the pin is by far the weakest link. It should shear without doing any other damage.

JimB is right about a slight sweepback on the rudder causing a large amount of weather helm, and CraigD is right about the torque effect with too much sail for the wind conditions.

Gulf Island Sails

Messages In This Thread

Went sailing last night with gusts to about 25 -- Dave, Sun Cat #103, Grand Haven, MI -- 7/16/08 6:10p.m.
Where was your centerboard? -- Tom Ray -- 7/16/08 6:23p.m.
Weather helm -- Dick Herman, Muddy Duck -- 7/16/08 7:08p.m.
Yep... reef! -- Jim B., wandering around -- 7/16/08 9:11p.m.
It's interesting that the rudder moving an inch -- Dave, Sun Cat #103, Grand Haven, MI -- 7/17/08 12:10p.m.
 The pin will break   -- Tom Ray -- 7/17/08 12:58p.m.
Rudder Shear Pin -- Barnacle Bob -- 7/17/08 1:34p.m.
I like the golf tees. Or chopsticks, maybe. -- Dave, Sun Cat #103, Grand Haven, MI -- 7/18/08 4:18a.m.
Dave, all responses are excellent. Add to them: -- Vicki Ruzicka -- 7/17/08 1:03p.m.
weather helm -- Roger -- 7/17/08 6:04a.m.
Trim etc -- Craig D, Suncat, "Cattitude", Finger Lakes -- 7/17/08 6:22a.m.
Torque -- Roger -- 7/17/08 7:32a.m.
Full sail in gusts to 25, that should build confidence! -- Carl, Horizon Cat/Picnic Cat, Central Texas -- 7/17/08 7:11a.m.
Good comments from everyone. I raced sloops -- Dave, Sun Cat #103, Grand Haven, MI -- 7/17/08 12:27p.m.
It was the rudder that caused the weather helm. -- Dave, Sun Cat #103, Grand Haven, MI -- 7/22/08 6:50a.m.
Dave, were you out on the Big Lake? I've only -- Vicki Ruzicka -- 7/23/08 9:33a.m.
Yup, on the big lake. Nice sail with west wind. -- Dave, Sun Cat #103, Grand Haven, MI -- 7/23/08 5:23p.m.
Interested in your modifications. Take some snapshots when you can. -- Vicki Ruzicka -- 7/23/08 7:08p.m.

 

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