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Miracle Main Sheeting

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Barty View Drop Down
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Post Options Post Options   Quote Barty Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 10 at 12:47pm

I had 2 mirrors, one which I converted to centre and one aft.  I would have to say that there was no benefit at all in the centre boat, its just too small so introduces more problems than it solves.

I now have a Miracle which again I converted to centre main.  2:1 on the back with a strop on the transom and a ratchet with cleat on the back of the c'case.  I also bought a new boom which was cut so that the mainsheet runs inside it to keep it out the way.  I went sailing a couple of weeks ago with my 5 year old and I let him helm (good F2 gusting 3).  All I did was sit on the thwart facing the transom, he did the stick and I did the main.....perfect!  I prefer centre as I think the tacks are neater but having raced Ent's and Lasers I agree that there isn't much in it.

For kids the centremain option just means you can help them when it breezy.

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alstorer View Drop Down
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Post Options Post Options   Quote alstorer Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 10 at 1:01pm
Isn't the lack of space in the Mirror with centre main why they're going to Gnavs?
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Barty View Drop Down
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Post Options Post Options   Quote Barty Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 10 at 1:05pm

With the normal kicker it doesn't matter if its rear or centre there isn't enough room for anyone over the age of 10.

The GNAV for the Mirror looks good but isn't very effective but then any adult just uses the mainsheet tension as the kicker!

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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 10 at 1:36pm
I sail boats with both systems. If sailing inland on small water in mainly light winds, the aft main allows much better movement around the boat. If sailing on open water in stronger winds, the centre main allows for better sheeting angles and more control gybing. So, each has its day, and beyond that it becomes a personal decision.
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winging it View Drop Down
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Post Options Post Options   Quote winging it Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 10 at 6:48pm
Of course the joy of having an older boat is that the traveller track is always there if you want to swap around, which is what we do with the club GPs.
the same, but different...

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Steve H View Drop Down
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Post Options Post Options   Quote Steve H Quote  Post ReplyReply Direct Link To This Post Posted: 04 Sep 10 at 1:59pm
Thanks for the advice. It's interesting to see that about the toppers.

I think I will do the conversion and see how I get on. It is easy to convert it back, if I can't get on with it.

Thanks again

Steve
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Post Options Post Options   Quote Owenfackrell Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 10 at 10:34pm
My Miracle has centremain and it also has cleat which makes tacking very easy when sail either singlehanded or with my daughter as I don't need to worry about keeping a tight hd on the mainsheet. Mine picks up on the centre board case and that means the aft section of the cockpit is clear. Wether it offers any speed advantage don't know but you only need to look forward.
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Post Options Post Options   Quote The Moo Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 10 at 8:20am
I sail a Nat 12 with the almost obligatory aft main arrangement. I find it works well in all conditions apart from downwind when it is honking and you need to hang over the transom to stop the nosedives. At that point it always feels odd sat next to the mainsheet.

Overall, to my mind the freedom to move around the cockpit outweighs any perceived benefit of centre main.

I also sail a boat(RS300) with a centre main which I could not imagine ever being right with a transom main!

Edited by The Moo - 05 Oct 10 at 8:23am
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Post Options Post Options   Quote Lukepiewalker Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 10 at 10:06am
In most short boats you have to consider the weight distribution during tacks as well. Hence the classic Europe centre mainsheet tack while facing backwards.
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Post Options Post Options   Quote The Moo Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 10 at 1:58pm
I know of a Laser sailor who faces aft when he tacks with the mainsheet locked in a centre jammer. Looks wrong but it seems to work well particularly in light airs
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