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Discussion Starter #1
Boat is 25', mid-boom sheeting with a sail area of about 170sq ft.

I'm looking to replace my mainsheet (line), and eventually the tackle that goes with it. I'm not sure what it currently has for line, but its getting old. Still comfortable and usable, but it doesn't run fast enough when dumping in light air. I also have the original Harken fiddle blocks for a 4:1 purchase (probably not helping with the friction).

I usually have no trouble adjusting the 4:1, but have thought about a fine trim addition. Maybe a cascade to give me 8:1. I've seen other merits pull the boom down below horizontal to get the leech closed, and mine is no different. Problem with this, is the big fiddle blocks don't leave much room for an additional purchase. So I'd probably have to go with double blocks to make the switch.

Now for solutions, I'm currently trying to get weight out of the stern (who isn't) and this would give me an opportunity to lighten up the tackle. Along with replacing the line with new 3/8" this should solve my slow dump issue (that sounds like a medical problem...). Any suggestions on what blocks to use? I like the Harken Carbo blocks (light) but not sure what line I should use. I'm hoping to get one that

Doesn't stretch
runs fast
has great grip
isn't stiff
doesn't absorb water
easy to splice

Please let me know any suggestions you might have. Also, let me know if you have a "fine trim" on your main and how much you use it. Feel free to tell me just to "man up" and stick with the 4:1 as well. Thanks in advance.
 

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Well

Man up its a 25' boat :)

We just got the Harken 4 or 8:1 fine/course on a 35' boat and the amount of line gets out of control :eek: in the cockpit your adding a LOT of line for every extra 1 :) on this one it is and extra 40 to 60 feet over the old 6:1

You pull both for 4:1 or one for 8:1

 

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A separate fine tune tackle can also work, if it is placed on the boom.

The ones that try to put all of this into one tackle are a mess to operate, I think.

WildJibe Articles & Info

Click on "more duce coupe" to see the araingment. He has a rather high aspect rig, so his needs are different, even though his boat wieghs less. He has a 7/21 set-up. You might want a 3/9 (must odd number).
 

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Discussion Starter #4
Well

Man up its a 25' boat :)
That's what I was thinking. I'm hoping with the new blocks and line I'll be able to reduce some friction to make it a little easier (one arming it). Any suggestion on line?
 

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Well, I have a 26' boat with 170 sq. ft. main, soon to be a 200 sq.ft. I use 7/16 polyester line and it is comfortable enough on my hands. One thing I did change was the fiddle blocks, I replaced my cheaper ones with Garhauer bearing blocks, the bearings reduced the friction substantially.
Someone upgraded to a 5:1 rig by adding a U shackle to the fiddle block on the boom so that the sheet could be terminated there, and attaching a lightweight Harken carbo block to the becket on the lower fiddle block where the mainsheet had originally been tied. Apparently the 5:1 rig may result in a 20% decrease in the effort required to sheet in the mainsail. Something else to try.
 

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The Harken Web site and catalog have some really good guides, and the technical staff was really helpful when I upgraded the mainsheet system on our boat.
 

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Mainsheet

[Trevor,
I just put one of these on my boat it is the same set-up it came from Holland when new. It is a boom vang but works great 2 speed. They are on sale at Gerhauer. I used 3/8" Sta -set.
IMG]http://garhauermarine.com/catalog_process.cfm?cid=50[/IMG]
Two Speed Vangs
30-2 SP - Stainless Steel Lite Blocks length: width:
weight: shackle:
*Please note: The price below reflects the 20% sale price. Original price is $196.94 2 Speed: 3 to 1 or 6 to 1 Safe working load is 2000 lb. Line NOT included.

$157.56
 

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I'd echo the get new ball bearing blocks with a cam cleat ont he bottom fiddle. The if this is not enough, add a micro 4-1 on the end part, this gives you a 16-1. I have this on my 195# main, and it works well.

Marty
 

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The Garhauer 30 series block is probably overkill for a boat the size of the OP's.

I'd go with the 57mm Air Carbo blocks from Harken instead.

 

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blocks

SD,
The 30's from Garhauer are not much bigger.

Garhauer 30 Series
Maximum line size 1/2”
Sheave diameter 2-5/8”
Safe working load 2,000 lbs.
On sale now for $157.55 for both blocks

Harken
2617 57mm Carbo Triple with Cam $176.10
Sheave dia. (in) 2 1/4
Sheave dia. (in) 2 1/4
Max. working load (lb) 1500

2605 57 mm Carbo Triple with Becket $121.80
same specs.

Harken both blocks $297.90
Garhauer both blocks $157.55

I liked the Harkens better, but not twice as much as the Garhauer. There are lots of other things I can spend the savings on. My boat is always looking for me to buy it something. It's worse than my daughter.
 

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On a 25' raceboat 6:1 is just to much line in the cockpit :)
It is rigged like this:


Not as much line in the cockpit, you pull both or one side only.
 

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6-1 on a smaller boat would be a lot of line, hence why I like my 4-1/16-1 macro/micro tune. I have harken 57mm singles on the boom, and a fiddle on my traveler. Then 40mm?!?! or there abouts for the micro tune, a double and a fiddle. Works well.

marty
 

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Discussion Starter #15
blt2ski, do you have a picture of the tackle? Also, what line are you using?
 

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Unfortunately, I do not have a pic with the micro, I do with it just 4-1. The micro 4-1 goes on the last length of the current setup.




If you go to harkens online page 18 of their catalong, and the lowest left mainsheet system is what I have.

I use all XLS extra lines for sheets and halyards. IIRC the main sheet is 9/16 possibly 5/8, more for comfort. The micro line is 1/4" just long enough to go from the fiddle to the boom.

Now that I added the last two pics, which are closeups, I am see that the mainsheet blocks are the old ones. BUT< they still show what I have. I can get an updated later today/tonight if need be.

Marty
 

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I won't comment on the block issue, but I just replaced my main sheet with New England Sta Set-colored. My boat is set up for cruising, and I know this line is a bit of a compromise as there is slightly more stretch than others but the sheet has a nice feel, runs through the blocks much better than the old Sta set it replaced, works well for my center boom rigging, and is reasonably priced/durable. If you are racing competitively, you'll likely find you'll want something a bit higher tech/expensive/stiff. My gripe with those types of lines has been that I dont like how they feel for sheets. My halyards are Sta Set X, which feels much more stiff. I know others use it for sheets though-just my preference and 2 cents. Lots of choices.
 

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Bruce,

No problems with your line thoughts. I do race, hence why I actually removed the sta-set from my boat. ZZ also races. I also have a carbon 155, and equal main, so why have lines that stretch more than the sail cloth etc. My reasons for the XLS line.

ALso why I like the micro tune, a little better fine control tune to the main when going up wind.

Marty
 

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Makes sense

That makes perfect sense. I thought that might be the case after I read saw the kind of boat you own in your profile (and after sending my response-doh). Im not sure my boat would know the difference, but yours clearly would. Good luck this season. Maybe we'll see you on the bay-SV Endurance.
 

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Discussion Starter #20
I think I may opt for the 40mm although that may be pushing the standard working load a bit.
 
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