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Sailing Downwind

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Wetabix View Drop Down
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Post Options Post Options   Quote Wetabix Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 20 at 8:58am
So: having started the leeward leg, do I keep the burgee pointing backwards and sail with the mainsail stalled in an apparent wind of 4 kts or do I turn up just a teeny weeny bit and bring the apparent wind more or less onto the beam and the leeward tell tales attached? I guess I could go to YouTube and dig out some races from the Stars, Lasers,Finns and 470s and see what they do. Volvos, 18ft Skiffs, GP32s and F50s are not quite as relevant!
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 20 at 9:17am
I don't believe there are any sudden transitions. At dead down wind the whole rig is stalled out, no power and its all doggy, as the boat heads up a bit more of the rig starts to work better progressively as things improve.

Personally I doubt many people sail absolutely dead downwind for very long. There's an obvious test - pull the boom across with no course change. Does the boat feel exactly the same on the opposite gybe?

Ultimately it seems to me a lot is in the ears. Your ears will tell you better than anything else if the boat is going faster or slower...



Edited by JimC - 12 Mar 20 at 10:32am
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423zero View Drop Down
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Post Options Post Options   Quote 423zero Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 20 at 9:48am
The Minisprint is best gybing boat I have ever sailed, in any wind strength, on a long leg I would not hesitate to swing from gybe to gybe, also with its chine, it sails well by the lee, so various options.
Robert
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Noah View Drop Down
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Post Options Post Options   Quote Noah Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 20 at 12:37pm
What lots of peeps seem to miss - including me - is the ability to maintain speed while heading lower once planing has been achieved. I had a graphic demonstration of this years ago thanks to a 'large' and extremely able crew - thanks Robin. Hoisted at the top mark for the run leg, in a reasonable breeze. Not mental but plenty for planing. I'm pointing a the bottom and looking forward to a bit of a rest (all that mainsheet trimming is tiring, you know).  Robin says 'head up', then 'more' until we're flying, then 'down', 'down' and 'down more' until we're pointing at the leeward mark but the apparent wind says we're reaching. I don't think I had ever been so fast before and it was somewhat scary at the time, but jeez, did it work! And this was in a wooden-top Fireball, so no rocketship. Lesson learned.

Edited by Noah - 12 Mar 20 at 1:01pm
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 20 at 12:56pm
It works in sub planing conditions too, if more subtly. Head up and get the better flow and some apparent wind, and you can slide down again and keep the sail working more efficiently.
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H2 View Drop Down
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Post Options Post Options   Quote H2 Quote  Post ReplyReply Direct Link To This Post Posted: 12 Mar 20 at 1:27pm
For me I went out and just practised gybing until I was sure that I was not losing and possibly marginally gaining from the act of a gybe - yes I know the rules - go watch any race though. Once you know for sure there is no downside of popping in a roll gybe why not play the shifts as much as possible? I suspect this is what you are seeing in action rather than people messing with angles.
H2 #115
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