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Fatboi View Drop Down
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Posts: 189 		Post Options Post Options   Quote Fatboi Quote  Post ReplyReply Direct Link To This Post Topic: Heavy singlehander
    Posted: 26 Jul 18 at 2:54pm
Originally posted by snowleopard

I went up to the boat this morning and measured the distance from sole to boom with kicker loose and no kicker - both the same, 81cm/32" so it's not an over-tight kicker, just a decrepit and inflexible sailor!

I'd value input from Finn sailors on whether that is a normal dimension.

The classic benchmark test is to stand at the back of the boat and lift the boom as high as you can with the kicker fully off. You should just be able to get the boom onto your shoulder. Then put the boom on the boat and pull the kicker on as hard as you can and it should be held onto the deck.

This rough setting will have enough play in to be spot on.

When it is windy, leave kicker off and snug it up before you go around the windward mark, so that the vang leaver is pointing vertically and that should be good for your bear away and as a rough setting.

Hope this helps!
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snowleopard View Drop Down
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Posts: 66 		Post Options Post Options   Quote snowleopard Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jul 18 at 3:11pm
Originally posted by Fatboi

stand at the back of the boat and lift the boom as high as you can with the kicker fully off. You should just be able to get the boom onto your shoulder.

Right. I can still step over it in those conditions so way too tight. OTOH, once the mast is straight, what's to lift the boom further so it doesn't clout me on the way past?
One hull good, two hulls better.
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Gordon 1430 View Drop Down
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Posts: 310 		Post Options Post Options   Quote Gordon 1430 Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jul 18 at 3:19pm
it will just be the wind in the sail to lift it. so very light airs might be a problem.
Gordon
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rich96 View Drop Down
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Posts: 596 		Post Options Post Options   Quote rich96 Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jul 18 at 7:20pm
The dimensions you mention confirm that the kicker is too tight

It should rise up that sort of distance from the rear deck - not the cockpit sole

If the boat is set up correctly its simple to get under the boom - as long as you are uncleating the mainsheet and letting plenty off ?

The mast straightens and lifts the sail as soon as you free the sheet



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snowleopard View Drop Down
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Posts: 66 		Post Options Post Options   Quote snowleopard Quote  Post ReplyReply Direct Link To This Post Posted: 26 Jul 18 at 9:43pm
When I took the measurements, the luff groove was straight so there was no more scope for the boom to rise. All but one of the mast wedges are on the aft side so something is a bit odd. I guess I need to look at how the mast foot is set up - it's a hefty track with adjustment screws. I can't imagine there is anything odd about the length of leech as it's a modern sail.
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Fatboi View Drop Down
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Posts: 189 		Post Options Post Options   Quote Fatboi Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jul 18 at 8:04am
It sounds as if your 'course tune' (The dyneema which goes from the mast to the vang lever) is too short, or that your mast foot is too far forward meaning that the mast is raked back a long way.

Have a look at this from Norths it will help and put you in the right ballpark.
https://northsails.com/sailing/en/resources/finn-tuning-guide 
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