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Mainsheet bridles

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rb_stretch View Drop Down
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    Posted: 21 Jan 15 at 3:34pm
Originally posted by pondlife1736


As an aside, I've always found the EPS sinks its tail when I move my not inconsiderable bulk behind the mainsheet through the tacks. Attempts to cross ahead of the mainsheet have not been elegant! Then I tried the D0 with its rear bridle and off boom sheeting, an arrangement I hadnt tried before. This was such a revelation in allowing me to keep weight forward that I'm now considering converting the EPS to rear bridle.


That is exactly how I had to sail the D0 to not sink the tail. Not sure why more boats (especially singlehanders) don't put the mainsheet further forward. Was looking at the first Aero to arrive at our club and was also thinking how far back the mainsheet is.


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pondlife1736 View Drop Down
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Post Options Post Options   Quote pondlife1736 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 15 at 3:33pm
Good point, I'm even thinking about 1:1 at the rear since I tend to use it in lighter winds. By my calc that is 1/3 higher sheet load than the current centre 4:1, but of course less to pull in.

The real question though is why the pinned bridle attachement on the Phantom whereas the EPS has the traveller pulley? Something to do with stayed vs unstayed rigs?
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Post Options Post Options   Quote maxibuddah Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 15 at 2:34pm
The phantom may have it tied on the centre strop but it is deliberately long so that when you sheet in it is off centre preventing you from over sheeting. As the rig is dropped back the boom is further out but this isn't a problem because you are depowering big time by that point.

Certainly a rear bridle is better for keeping the boom where you want it but then you have a lot more mainsheet...normally. But you can get away with 1:1 on the front sheet because the purchase is on the back. On normal centre sheeting boats you'll need 3:1 or 4:1 as there is less moment to pull against.
Everything I say is my opinion, honest
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Post Options Post Options   Quote pondlife1736 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jan 15 at 1:57pm
This leads on from the Melges 14 thread which turned into an interesting discussion about bridles.

So my EPS has a Laser type floating pulley on the centre bridle, whereas some boats like Phantom, RS300 have the pulley pinned at the centreline. 
What are the pros and cons of each type? 
I can see that the centre pinned bridle changes the sheeting angle to be more horizontal which I would have thought was a good thing.
Is there any advantage to the floating arrangement?

As an aside, I've always found the EPS sinks its tail when I move my not inconsiderable bulk behind the mainsheet through the tacks. Attempts to cross ahead of the mainsheet have not been elegant! Then I tried the D0 with its rear bridle and off boom sheeting, an arrangement I hadnt tried before. This was such a revelation in allowing me to keep weight forward that I'm now considering converting the EPS to rear bridle.
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