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jwskawski
Last seen: 1 month 1 week ago
Joined: 4/9/19
Posts: 10
Mainsheet Arrangement

Require some input. I would like to re-arrange the mainsheet from the factory set up to a 5:1 with single blocks at mast side and boom end and a double fiddle on the traveler and a single with becket off new bail centered over traveller. Mainsheet to be led on underside of boom to turning block at mast, then to mast base turning block to organizer/turning block on deck then back to port side cabin top winch. Goal is to "clean up" cabin top for dingy storage and for crew to slide over on the tack. Issues, thoughts and opinions please.

J Wm Skawski
Tranquility
1992 Wing
#1176

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J Wm Skawski
Tranquility
1992 Wing
#1176
Catboat Willy's picture
Catboat Willy
Last seen: 8 hours 5 min ago
Joined: 12/22/14
Posts: 262

John, I'm having a heck of a time trying to figure what you are trying to create. Do you perhaps has a sketch you could share ?
 Bill

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Bill Dolan 1990 Catalina C-36 MKI - Hull #1041  'Williwaw'
Std. Rig, Walk Through, Wing Keel
M35, Oberdorfer Conversion,
Home Waters; Port Charlotte, FL
'You are never out of work if you own a boat'

 
KevinLenard's picture
KevinLenard
Last seen: 1 day 2 hours ago
Joined: 1/28/15
Posts: 148

Like Bill, I'm not clear what you are wanting to do, but I recently re-organized my lines to ensure more control from the cockpit without having to go to the mast (please see photos).  Were you thinking of running the lines on the outside wall of the cabin?  Like over the edge, then along the outside, then back up and over to the winch?  There would be far too much friction if you tried that, I would guess. 

Note that the problem many have reported on regarding great difficulty hauling up the main from the cockpit, but not at the mast, was due to binding inside the mast opening for the halyard due to the block at the foot of the mast being too close, angle-wise, to allow for free movement.  Removing the SS fitting and replacing it with a fitting with a block inside eliminated this problem.

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Kevin Lenard
"Firefly"
'91 C-36 Mk. "1.5" Tall Rig, Fin Keel, Hull #1120, Universal M-35 original (not "A" or "B")
CBYC, Scarborough, Lake Ontario, Canada

jwskawski
Last seen: 1 month 1 week ago
Joined: 4/9/19
Posts: 10

Sorry I thought my description made sense; I will try to put up a graphic...standby.

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J Wm Skawski
Tranquility
1992 Wing
#1176
jwskawski
Last seen: 1 month 1 week ago
Joined: 4/9/19
Posts: 10

https://www.harken.com/content.aspx?id=3901

Scroll down to "5:1 with Dedicated Winch".  This is exactly what I am envisioning...on my '92 I would have to add a bail for the single block that hangs directly over the traveler and a turning block on the mast.

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J Wm Skawski
Tranquility
1992 Wing
#1176
Chachere's picture
Chachere
Last seen: 3 days 18 hours ago
Joined: 10/27/10
Posts: 624

The diagram helped explain what you're up to -- thanks!

Given your stated goal "is to 'clean up' cabin top for dingy storage and for crew to slide over on the tack," I guess it very much depends on what kind of sailing you do, but FWIW my opinion is that this would be a lot of effort for little gain -- at least on our boat. 
We're not racers, so enabling crew to scramble around as "rail meat" is not something we'd need (and its would still be an ungainly "limbo" under the boom with that arrangement).  And those times when we carry our dingy on deck, we store it up on the bow, where it doesn't detract as much from forward visibility.  Yes, it makes foredeck work a tad more cumbersome, but even for operations such as setting the Gennicker its not too bad. 

But again, that's our boat and our sailing style, not yours.   I would, however, suggest that you do consider that even with the best blocks, every turn of the sheet around a block adds more friction, so you mignt need to work a bit harder to sheet in the main with that arrangement (although the change in effort might be minimal)... 

 

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Matthew Chachère
s/v ¡Que Chévere! #466
1985 C36 MKI tall rig fin keel M25
Homeported in eastern Long Island, NY

GaryB's picture
GaryB
Last seen: 3 days 10 hours ago
Joined: 10/26/08
Posts: 528

Why the forward blocks if 5:1 is what you are looking for. Just add bail attached is Catalinas layout for MKl
 

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File Mainsheet blocks.docx646.79 KB
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Gary Bain
S/V "Gone With The Wind"
Catalina 36', Hull #: 1056, Year: 1990, Engine: M-35
Standard Rig
Moored: East Boothbay, Maine
Home: Auburn, Maine

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