Cabin top mainsheets - SailNet Community
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post #1 of 18 Old 11-17-2009 Thread Starter
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Question Cabin top mainsheets

Many of the boats I am interested in have cabin top mainsheets.
Who is supposed to pop up to trim the main when I am at the tiller or wheel?
I sail singlehanded too much for that.
Anyone had success converting the mainsheet to a more accessible location?
Suggestions?

Lake Dillon, Colorado
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post #2 of 18 Old 11-17-2009
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my main sheet is cabin top. it comes thru a cam cleat, i have total control from the wheel. from the wheel i can give it a flip and it comes out of the cam for easing the sheet, or just pull for tightening. my cockpit is also t shaped so i can put my foot on the cockpit seat and have plenty of leverage.

now every boat is different some work cabin top some dont. you need to give it a try, even if its just sitting on the hard. dont give up on it yet
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post #3 of 18 Old 11-17-2009
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On smaller boats or with real good purchase in your mainsheet tackle Scotty's method can work.. on boats often requiring a winch to trim the main then this is a real problem.. and my major objection to mid-boom or out-of-cockpit sheeting arrangements.

I have seen arrangements where, instead of leading the sheet back along the cabintop, it's run down to the deck and back to the rear of the cockpit to a secondary winch, e.g., and accessible to the helmsman. These arrangements can also be made double ended for easy access regardless of which tack you're on.

This can create an obstruction or tripping hazard to crew moving forward, however, so needs to be designed in a way to minimize that, and the cockpit coaming/side deck arrangement has to be workable too. (ie fair leads from gooseneck to deck, chafing/interference issues with cabintop or coamings...) But many boats that don't race, or don't fly kites, and are equipped with secondary winches might be so adapted.

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)

Last edited by Faster; 11-17-2009 at 11:36 AM.
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post #4 of 18 Old 11-17-2009
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Quote:
Originally Posted by scottyt View Post
...
now every boat is different some work cabin top some dont. you need to give it a try, even if its just sitting on the hard. dont give up on it yet
I agree with scotty. Check it out, preferably under sail.

My preference is to have the traveller handy on the bridgedeck, but some of these cabintop systems work okay too, even for singlehanders. Some not so well. There are even some boat models that offered different arrangements, based on owner preference.


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post #5 of 18 Old 11-17-2009
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Two Words...... Auto Pilot.
My main sheet is on the coach roof and out of reach of the helm.
It is one of those compromises we always talk about.
Single handed, to adjust the main, I have to use Auto and move to the front end of the cockpit.
Same thing when adjusting the traveler; preparing to tack, etc.

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If a man is to be obsessed by something, I suppose a boat is as good as anything, perhaps a bit better than most - E.B. White
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post #6 of 18 Old 11-17-2009
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Hmm. Back to basics..

What do you mean by 'trim the main"?

I raise mine to the top of the mast and then loosen up my boom sheet ( not sure of name )... but what exactly am I looking for?
How would I know if my main has been trimmed?
I know, I know.. noobie...
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Quote:
Originally Posted by SpcAlan1 View Post
Hmm. Back to basics..

What do you mean by 'trim the main"?

I raise mine to the top of the mast and then loosen up my boom sheet ( not sure of name )... but what exactly am I looking for?
How would I know if my main has been trimmed?
I know, I know.. noobie...
SPc,

Your "boom sheet" is properly referred to as the "mainsheet."

The mainsheet is used to pull in or let out the mainsail (after it has been fully hoisted) while sailing. We call this "trimming" the sail, and it applies to the jib/genoa as well (but those sails are trimmed with their own sheets).

We "trim" the sails any time we change our course relative to the wind, or the wind changes direction relative to our course.

The further we sail away from the direction that the wind is coming, the further out we ease the sails. As we sail closer up into the direction the wind is coming from, we gradually bring the sails in tighter. This process of easing out and pulling back in as needed, is the trimming of the sails.

Those are the barest basics. I hope this helps some and that you are not just pulling our legs.


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post #8 of 18 Old 11-17-2009
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Ok, thanks for the easy explaination..
Imagine that.. I am actually doing something 'half-ass' right for once...
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post #9 of 18 Old 11-18-2009
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Hi
The system described to get the main sheet back to the wheel is called "German sheeting" i posted som pictures of my retrofitted solution a while back. https://www.sailnet.com/forums/genera...tml#post391262

You can find them here
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post #10 of 18 Old 11-18-2009 Thread Starter
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Knuterikt,
Thank you very much. That opens up a lot of possibilities.

Chas

Lake Dillon, Colorado
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