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Rupert View Drop Down
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Posts: 8956 		Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Topic: Deck sweeper Jib
    Posted: 09 Dec 19 at 5:42pm
As Jim says. As close as possible to the deck as possible at the bow.
Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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Oatsandbeans View Drop Down
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Posts: 382 		Post Options Post Options   Quote Oatsandbeans Quote  Post ReplyReply Direct Link To This Post Posted: 09 Dec 19 at 7:38pm
The “end plate effect” may not be the big gain that the aerodynamics theory may suggest. Possibly not a lot of air flowing across the deck if a Heron in non survival conditions. Maybe getting sail area up a bit and what is happening to the slot as the leach gets closer to the main As the job gets jogger could be more important-just a thought!
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Oatsandbeans View Drop Down
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Posts: 382 		Post Options Post Options   Quote Oatsandbeans Quote  Post ReplyReply Direct Link To This Post Posted: 09 Dec 19 at 7:49pm
Sorry the autocorrect messed it up - it was meant to be the “jib gets higher” - not “the job gets jogger”! Makes a bit more sense
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NickA View Drop Down
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Posts: 784 		Post Options Post Options   Quote NickA Quote  Post ReplyReply Direct Link To This Post Posted: 09 Dec 19 at 8:08pm
The genoa on my Javelin brushes the deck by at least 10mm.  Sounds good to me.  The Jav has jib racks so jib height and sheeting angle are independent.

My 3000 hasn't got a deck so it's a non issue, but I can put the whole jib higher or lower exactly so as to control the sheeting angle; in light winds it needs to be low to allow a bit more twist.

I've never sailed a heron but reckon your sail maker knows what he's doing!
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ian.r.mcdonald View Drop Down
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Posts: 440 		Post Options Post Options   Quote ian.r.mcdonald Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 19 at 11:23am
Originally posted by Sapspec8650

Hi Ian Mc:
my thoughts exactly  ---- BUT---- As I raise the tack I will change the sheeting angle, & in my case the fairlead is fixed.
So - a little more. The boat is a new(ish) Heron - for this I make no excuses - she is a great little boat to wind down on! (& and I am in my late 70's)
However I still race her seriously & would to remain competitive.
From the tone of your replies I think there seems to be generally approval of the maximum median?
Thanks for your interest.




I would listen to Jim and not raise the tack. All sounds good and as others have said top marks to the Heron and the helm
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SoggyBadger View Drop Down
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Posts: 552 		Post Options Post Options   Quote SoggyBadger Quote  Post ReplyReply Direct Link To This Post Posted: 10 Dec 19 at 10:42pm
Originally posted by Sapspec8650

Hi Ian Mc:
my thoughts exactly  ---- BUT---- As I raise the tack I will change the sheeting angle, & in my case the fairlead is fixed.
So - a little more. The boat is a new(ish) Heron - for this I make no excuses - she is a great little boat to wind down on! (& and I am in my late 70's)
However I still race her seriously & would to remain competitive.
From the tone of your replies I think there seems to be generally approval of the maximum median?
Thanks for your interest.


I expect you've got a 79% genoa then as it's a newish boat. It'll still tack fine even with that amount of foot round which won't be of much use lying on the deck when close hauled but as you ease off onto a fetch it should still sweep the deck. You'll obviously need to experiment with tack height to get the right sheeting angle as you can't move the fairleads. A cheap and easy way to do that is to daisy-chain shackles together.
Best wishes from deep in the woods

SB

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