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PY changes for 2014

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2547 View Drop Down
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Post Options Post Options   Quote 2547 Quote  Post ReplyReply Direct Link To This Post Topic: PY changes for 2014
    Posted: 28 Feb 14 at 1:14pm
Anyone got any stats on the PY variance at a typical Laser open meeting?

i.e. the spread caused by crew skill?
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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: 28 Feb 14 at 1:21pm
Not Laser, but the leaders in the Fireball Nats fleet are likely to be 5-10 mins ahead of the back of the fleet, with some stragglers another few mins behind that. And this in a 50-60 minute race. I just wish I knew how the buggers do it Cry
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Post Options Post Options   Quote 2547 Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 1:23pm
Typical of most fleets. So how does that translate as a spread on py?
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Post Options Post Options   Quote Entyplod Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 1:33pm


Edited by Entyplod - 28 Feb 14 at 2:56pm
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Post Options Post Options   Quote AlexM Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 1:36pm
Say the leading Fireball sailed to h'cap

                     PY     ET             CT            PY Sailed Diff     
Leader        975     00:50:00     00:51:17     975     
Mid Fleet     975     00:55:00     00:56:25     1072       97
Back Fleet     975     01:00:00     01:01:32     1170       195

Only 200pts...

Edited by AlexM - 28 Feb 14 at 1:49pm
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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: 28 Feb 14 at 1:43pm
Originally posted by AlexM

Say the leading Fireball sailed to h'cap

Only 200pts...


That's pretty typical IME. In our club personal handicapping system we divide the sailors into 5 bands at 5% intervals.
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Post Options Post Options   Quote Noah Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 1:49pm
Originally posted by 2547

Typical of most fleets. So how does that translate as a spread on py?


Take the conservative end: 5 min spread in a 50 min race - makes the arithmetic easy.

That equates to a 97 point spread between that front and the back of the fleet. So either the world champ is sailing his off 880 ish or I'm in the 1060 region. That's taking both extremes. Lets assume the PY is right for the middle of the fleet. Then the world champ is on about 920 & I'm on 1025 or thereabouts.

That's why a couple of points movement between 'my' class and the other - broadly similar - classes (Osprey, 5o, Hornet) sailed at SSC doesn't concern me one jot. I do worry about those pesky Merlins a bit, but we have a high quality fleet so I expect to be beaten by them, on the spreadsheet if not on the water.
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 2:21pm
I'm still noting, only inland sailors are satisfied.
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Post Options Post Options   Quote 2547 Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 2:28pm
Originally posted by AlexM

Say the leading Fireball sailed to h'cap

                     PY     ET             CT            PY Sailed Diff     
Leader        975     00:50:00     00:51:17     975     
Mid Fleet     975     00:55:00     00:56:25     1072       97
Back Fleet     975     01:00:00     01:01:32     1170       195

Only 200pts...

These figures make worring about 1 few points ... well pointless.

May be better served just having a few scratch groups ...
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Posted: 28 Feb 14 at 2:39pm
The leader isn't worried about his result compared to a back marker, but with his result compared to a similar standard sailor in a different class. That makes a few points here or there make a big, big difference, whether it be between 1st and 2nd or 10th and 11th. That is what sailors are interested in on the spreadsheet. The results will always be shifting, depending upon how windy a year has been, where the boats are sailed and who is sailing them. All we can hope for is a system where there are enough returns for it to make some sort of sense.
The only viable split I can see would be to have tidal and non-tidal. Yes, different bits of sea are, well, different, but so are rivers and big lakes. But if clubs can't/won't change things, maybe a group of all the sea clubs could come up with figures.
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