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Rupert View Drop Down
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Post Options Post Options   Quote Rupert Quote  Post ReplyReply Direct Link To This Post Topic: Icon Class Association
    Posted: 09 Apr 14 at 4:29pm
The cvrda still use 3 digits! And I do agree that 4 digits suggests an accuracy that isn't there.


On the pregnancy front, we generally know when we have started the race, and therefore when we are timing from. This isn't always the case with motherhood...
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iGRF View Drop Down
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 4:30pm
Then there is the simple logic of wrongness.

An RS500 and an Icon cannot be fairly matched with handicaps of 975 & 969 respectively.

Unless of course the RS500 is forced to race under the conditions that the PYAG have engineered themselves with their data acquisition into favouring, a Pond with lots of cans and trees around it.

Thereby rendering the Portsmouth Yardstick Authority Group, into the Pond Yardstick Authority Group

Edited by iGRF - 09 Apr 14 at 4:33pm
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Post Options Post Options   Quote kneewrecker Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 4:35pm
Originally posted by iGRF

 

An RS500 and an Icon cannot be fairly matched with handicaps of 975 & 969 respectively.


on what basis?  If both boats finished on an ET of 54 minutes, then the difference on corrected time is just 20 seconds..... please don't pretend that 20 seconds can't be gained or lost in clever tactics or sh*tty gybing.
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 4:41pm
actually they do use a consistent starting point, but the French use a different one (typically). Are there are, of course, a whole heap of unknowns in dinghy races.

Anyway, this is hugely off topic! The Icon is a lovely boat, and I strongly recommend a demo sail.

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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 4:47pm
Originally posted by kneewrecker


Originally posted by iGRF

 
An RS500 and an Icon cannot be fairly matched with handicaps of 975 & 969 respectively.


on what basis?  If both boats finished on an ET of 54 minutes, then the difference on corrected time is just 20 seconds..... please don't pretend that 20 seconds can't be gained or lost in clever tactics or sh*tty gybing.


Except it won't be 20 secs, it'll be lucky to be twenty minutes on a good sea course over an hour, OK maybe twenty minutes is a bit of an exaggeration, but an RS500 regularly beats the Alto if we cock up and they don't and even if we don't they can beat us by seconds, now an Icon? That Icon I managed to cross in the EPS in one race? It won't come close once we raise our kites, but then all the data it was judged by doesn't permit the use of kites does it?

So the data they are using is the wrong data, why don't you get it?

If you are tabulating performance of boats against boats you can only tabulate to their best performance, not favour one or disfavour one by not enabling all its facets to function.
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 4:53pm
In 2010, when the Icon was being developed IIRC, the Blaze PY was 1046 and the Phantom 1035. Assuming that in their ideal conditions both outperform there yardstick by 40 points (wild guess!!), then the icon would sail to 1006 in a breeze and 995 in lighter winds - so 1001 on average.

Now the Blaze is 1026 and the Phantom 1012, so if we benchmark of these again we would get the Icon at 986 in a breeze and 972 in light winds - average 979.
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Post Options Post Options   Quote Steve411 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 5:10pm
Originally posted by Peaky

In 2010, when the Icon was being developed IIRC, the Blaze PY was 1046 and the Phantom 1035. Assuming that in their ideal conditions both outperform there yardstick by 40 points (wild guess!!), then the icon would sail to 1006 in a breeze and 995 in lighter winds - so 1001 on average.

Now the Blaze is 1026 and the Phantom 1012, so if we benchmark of these again we would get the Icon at 986 in a breeze and 972 in light winds - average 979.

So 969 is only 1% out. Result!
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Post Options Post Options   Quote kneewrecker Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 5:14pm
Originally posted by Steve411

Originally posted by Peaky

In 2010, when the Icon was being developed IIRC, the Blaze PY was 1046 and the Phantom 1035. Assuming that in their ideal conditions both outperform there yardstick by 40 points (wild guess!!), then the icon would sail to 1006 in a breeze and 995 in lighter winds - so 1001 on average.

Now the Blaze is 1026 and the Phantom 1012, so if we benchmark of these again we would get the Icon at 986 in a breeze and 972 in light winds - average 979.

So 969 is only 1% out. Result!

yep well done PYAG....  LOL
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Post Options Post Options   Quote iGRF Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 5:27pm
Originally posted by Peaky

In 2010, when the Icon was being developed IIRC, the Blaze PY was 1046 and the Phantom 1035.    


So why would you compare a double hander to two single handers and they were known 'Bandits' at that time the RS500 was 972, I have bitter experience of this because they made us race it off 963 at that time, but even so.. Like for like this isn't and comparing two wrongs doesn't make a right.

There lies the nub of the problem we are all left with, we simply do not know which boat is not wrong, the fluidness of all this in an effort to make all things inland compatible...

There needs to be a Null point, a boat that stays permanently at a given value around which this algorithm can calculate, but unless I'm very wrong and stupidly mistaken there does not appear to be such a craft and I do seem to recall when this thing was set up, there was such a thing.

Edited by iGRF - 09 Apr 14 at 5:28pm
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Post Options Post Options   Quote kneewrecker Quote  Post ReplyReply Direct Link To This Post Posted: 09 Apr 14 at 5:41pm
Originally posted by iGRF

There needs to be a Null point, a boat that stays permanently at a given value around which this algorithm can calculate, but unless I'm very wrong and stupidly mistaken there does not appear to be such a craft and I do seem to recall when this thing was set up, there was such a thing.

that's the old system- statistically sound classes were 'Primary Numbers', classes like the laser and solo with enough returns to qualify; secondary numbers less sound (but perfectly usable as was imnsho, and then down to lower tiers- I've forgotten what they were now, but suffice to say anything without much data would be a finger in the air guess work number.....  that system got canned.
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