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 Adding a fine-tune element to the mainsheet
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Andy_334
Navigator

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USA
206 Posts

Initially Posted - 01/28/2008 :  20:40:20  Show Profile
It is that time of the off season when we start looking forward to the upcoming season, including boat upgrades

One of the items on the list for this year is an upgrade to the mainsheet. We’re considering adding a fine-tune element to the existing gross tune. We’re a race boat and are looking for more control of the mainsail shape. Has anyone done this? Would you recommend it? More importantly, do you have any photos?

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chuck leonard
Deckhand

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Canada
15 Posts

Response Posted - 01/31/2008 :  16:10:27  Show Profile
I have always had a Harken two speed main sheet system with a double main sheet. It allows for power in upwind mode and speed at mark roundings especially leeward roundings where the boat turns with the main and minimizes drag on the rudder. If you go to the Harken web site and go blocks then to 2 speed systems you will see mine. It is product #332. It has always worked great.
Chuck
#366

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joearcht
Navigator

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USA
241 Posts

Response Posted - 02/01/2008 :  08:42:43  Show Profile
My boat came to me with a two speed mainsheet also. I have not researched the manufacturer. I like the setup with only one exception. When the boat is over powered and I need to dump the main a little the sheet is hard to release from a hiked out position. The mechanism has some adjustments that I may be able to use to solve the problem, but I have not tried that yet.

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Andy_334
Navigator

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USA
206 Posts

Response Posted - 02/03/2008 :  09:04:48  Show Profile
Chuck. I can see why you would like your Harken set-up.



I think we're more likely to want to modify our existing set-up by adding a fine tune element to the end of the mainsheet. Either we'd connect it to the block, or the boom.

Any thoughts, or photos?

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Andy_334
Navigator

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USA
206 Posts

Response Posted - 02/03/2008 :  09:16:00  Show Profile
Chuck's suggestion about the Harken website, got me to try their Compu-Spec thing. Here's what it came up with.



Anyone else have anything similar?

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