{Stus-List} Mainsheet system shortening

Brian Callele blcallele at hotmail.com
Sat Jan 15 18:59:46 EST 2011

Another friend has this sort of two speed system. I don't think that it does anything to reduce the amount of line in the cockpit. But if you used a cascading system -- likely 4:1 plus fine tune 2:1 -- you would not end up with as much line in the cockpit but you would still have the power you need.
Brian Callele
1975 C&C 27 Spinn Doctor

Date: Sat, 15 Jan 2011 15:36:29 -0800
To: cnc-list at cnc-list.com
From: russmel at telus.net
Subject: Re: {Stus-List} Mainsheet system shortening

Hi Dennis,

I have a simple 4:1 which can be a bear to handle in a breeze.

I'm planning to go with a 2-speed system. Maybe keep it simple like the 3:1/6:1, second option on this page:

         Cheers, Russ
        35 mk-1

At 02:55 PM 15/01/2011, you wrote:

Chuck, all
I've thought about shortening my 6:1 system with a strop but don't like the idea of the block hanging a couple feet below the boom.  I keep envisioning a crew getting whacked with it during a gybe.  
Any good thoughts on a better solution?
Dennis C.
Touche' 35-1 #83
Mandeville, LA

From: "cscheaffer at comcast.net" <cscheaffer at comcast.net>
To: cnc-list at cnc-list.com
Sent: Sat, January 15, 2011 11:28:36 AM
Subject: Re: {Stus-List} Mainsheet system on C&C 35-III

Another thought:
When cruising, I usually have the autohelm steering and I'm mostly in the cockpit, forward of the wheel, where I can monitor the GPS, check the chart on the seat, and easily reach everything; jib sheets, mainsheet, traveller crosshauls, backstay hydraulics, halyards, cunningham, vang, mainsail outhaul, etc.  I'm closer to the cabin and the ice box, galley, and tea kettle.   Locating the traveller closer to the mast shortens the mainsheet considerably, and one of the best setups can be found on racing/crusing Beneteaus, where they mount two travellers on the boat.  Coachtop for cruising and cockpit for racing.  The coachtop traveller uses a very short mainsheet compared to the cockpit mounted racing version and there is no spaghetti on the cockpit floor.

Another thought::
A long end-of-boom mainsheet can be shortened somewhat by adding a strop between the boom bail and the upper block of your purchase.  Our 34R needs about 120 ft of mainsheet to allow the boom with a 6:1 purchase to go out for downwind sailing.  Adding a 3 ft strop will shorten the line 18 feet which will reduce some spaghetti on the floor, clear the helm's view a little and possibly make adjustments quicker when close hauled?   I plan to makeup an amsteel strop this winter in 1/4" amsteel.  

Resolute, 1990 C&C 34R

----- Original Message -----
From: "Tim Goodyear" <timgdyr at gmail.com>
To: cnc-list at cnc-list.com
Sent: Saturday, January 15, 2011 10:45:30 AM
Subject: Re: {Stus-List} Mainsheet system on C&C 35-III

Thanks for the updates.  I forgot to mention that we have 3/4 boom
sheeting with the traveller across the companionway bridge deck.  The
new traveller is Harken big-boat with a five to one purchase and lines
led up the cockpit sides for trimming on the rail. This is too far
forward for the helm to reach easily, but has worked ok for cruising.


On Saturday, January 15, 2011, John and Maryann Read
<johnpread at comcast.net> wrote:
> Tim
> Our 34
> has mid boom sheeting.  Single Harken 3 sheave blocks on traveler and
> boom.  Had to install larger bale on boom when original broke.
> Sheet goes forward to mast then aft to 2 speed winch on cabin roof next to
> companionway - I think it is a Barient 22.  Traveler is Harken big boat
> series with cam cleats each side.  Works very well.   One crew is
> dedicated to trimming main and winch provides more than enough power to
> trim even if fully loaded.  All lines hang down below so are out of
> the way.  That crew stands in companionway and is out the way of other crew
> but can easily reach out a hand to help if needed.  Easy to play traveler
> going upwind to balance the rig during puffs.  Interesting to note that
> from my position on the helm I can see the boom actually sagging when fully
> trimmed in a breeze.  The downside is the helmsman can not easily trim the
> main
> John & Maryann Read
> Legacy III
> 1982 C&C 34
> Noank, CT
>   -----Original Message-----
> From:
>   cnc-list-bounces at cnc-list.com [ mailto:cnc-list-bounces at cnc-list.com]On
>   Behalf Of Tim Goodyear
> Sent: Friday, January 14, 2011 3:27
>   PM
> To: cnc-list at cnc-list.com
> Subject: {Stus-List}
>   Mainsheet system on C&C 35-III
>   I'm going to change out my mainsheet system this year to replace some
>   worn blocks / cleat, as well as trying to make it kinder to the mainsail
>   trimmer and making that position accessible to more people.  The
>   traveller upgrade forced on me when the car disintegrated last year is
>   wonderful and I wish I had done it before.  What do people use for their
>   mainsheets, how do they find them (especially for racing)?  What line do
>   people use?
>   My current setup is a 5:1 with a fine-tune inside the boom (that rarely
>   gets used).  I'm thinking of going to a 6:1 or 8:1 two-speed
>   and getting rid of the fine-tune.  The main
>   issue with the current system has been getting the final bit of trim on
>   (the fine tune would help there) and being able to dump quickly if needed
>   (fine tune can't help).  Something like the Ronstan RF72900 or Harken
>   equivalent would probably work, but that is a little pricey and will mean
>   a lot of line in the cockpit...
>   Thanks,
>   Tim
>   Mojito
>   C&C 35-III

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