Edition
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Boats for sale
| Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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| Laser 28 - Excellent example of this great design Hamble le rice |
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List classes of boat for sale |
SCHRS |
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Scooby_simon 
Really should get out more 
Joined: 02 Apr 04 Location: United Kingdom Online Status: Offline Posts: 2415 |
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 Topic: SCHRSPosted: 07 Mar 12 at 8:02pm |
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Loads been done; hopefully on the site in the next week or so. Much work done. I just got to comment this time around; others did all the work.
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Wanna learn to Ski - PM me..
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Sprint Bob
Far too distracted from work 
Joined: 17 Jan 06 Location: United Kingdom Online Status: Offline Posts: 314 |
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Posted: 10 Mar 12 at 6:59pm |
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I see that the SCHRS rating changes have now been posted.
Taking a casual look around the SCHRS ratings on common cats we see: Dart 18 rating has changed from 1.181 to 1.210 a change of plus 2.5% Dart 18 (S/H) rating has changed from 1.186 to 1.237 a change of plus 4.3% Dart 16X rating has changed from 1.226 to 1.237 a change of plus 0.9% F18 rating has changed from 1.000 to .966 a change of minus 3.4% F16 rating has changed from 1.008 to 0.989 a change of minus 1.2% Prindle 15 rating has changed from 1.206 to 1.275 a change of plus 5.7% ( the biggest I noticed) ShadowX rating has changed from 1.061 to 1.076 a change of plus 1.4% Spitfire rating has changed from 1.041 to 1.033 a change of minus 0.08% Topaz14Xtreme rating has changed from 1.238 to 1.233 a change of minus 0.04% Inter17(19M2) rating has changed from 1.065 to 1.073 a change of plus 0.08% Catapult rating has changed from 1.239 to 1.280 a change of plus 3.3% HurricaneSX rating has changed from 1.006 to 1.019 a change of plus 1.3% Standard Sprint 15 rating has changed from 1.32 to 1.376 a change of plus 4.2% Sprint 15 Sport mode rating has changed from 1.218 to 1.258 a change of plus 3.4% So in general dagger board cats with spinnakers get lower (faster) ratings while unarig skeg cats get bigger (slower) ratings. Looks good in the main, I guess time will tell. Well done to the SCHRS committee Cheers Bob Edited by Sprint Bob - 10 Mar 12 at 7:00pm |
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Big-C
Newbie 
Joined: 03 Oct 06 Online Status: Offline Posts: 29 |
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Posted: 10 Mar 12 at 8:01pm |
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All looks good although at least one error seems to have crept in
It appears my Unicorn has gone all modern and acquired an 800 mm square top main without me noticing - according to the data used to calculate its rating anyway |
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Little America's Cup C-Class K19 Emma Hamilton
A-Class Unicorn 1085 Merlin Rocket NSM2 SeaRay 260 OV |
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Sprint Bob
Far too distracted from work
Joined: 17 Jan 06 Location: United Kingdom Online Status: Offline Posts: 314 |
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Posted: 16 Mar 12 at 12:42pm |
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The SCHRS PY lookalike page needs to be treated with caution. It has not been updated to reflect the 2012 RYA PNs and the conversion factor is now a poor fit to the data with the new formula and the new RYA values.
Cheers
Bob
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oz man
Far too distracted from work
Joined: 26 Apr 06 Online Status: Offline Posts: 247 |
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Posted: 16 Mar 12 at 2:45pm |
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I rarely do handicapp events (apart from the piers race) so it dosent really affect me but how can the formula fleets (F16 and F18) get rated on mass? Shouldnt they be done indvidually?
a viper is very different to a falcon or stealth all f16s. likewise a hawk, infusion, wildcat etc all f18s and all very different. oli
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TomB
Newbie
Joined: 08 Jan 11 Location: Kent Online Status: Offline Posts: 26 |
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Posted: 16 Mar 12 at 5:47pm |
They are rated on mass because even though the different designs perform differently, they should all be the same speed, the principle behind the Formula system. If you give a Nacra Infusion a different rating to a Wildcat, then you are suggesting that they are different speeds, which may be the case, but in theory they should be the same. This is of course my take on the raised point. Happy to be corrected! |
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49er 884
"its win or swim attitude boys" -awesome aussie skiff commentator |
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gary145
Posting king 
Joined: 05 Aug 05 Location: United Kingdom Online Status: Offline Posts: 116 |
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Posted: 20 Mar 12 at 7:48pm |
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as I understand it they are all different (some may be faster) but they fit within the rules of 'the formula'
so can race boat for boat against each other. Therefore they have the same rating within the formula. |
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gary145
Posting king
Joined: 05 Aug 05 Location: United Kingdom Online Status: Offline Posts: 116 |
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Posted: 20 Mar 12 at 7:59pm |
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help me out, i'm confused.
PY number for Spitfire for 2012? 1.033 x 692.7 = 715 is that right? Thats a better rating than last year (712)
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oz man
Far too distracted from work
Joined: 26 Apr 06 Online Status: Offline Posts: 247 |
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Posted: 21 Mar 12 at 1:46pm |
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so my ratings worked out on what it could measure rather than what it actually measures.
sorry still dont get it.
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farc anal
Groupie 
Joined: 11 Oct 07 Location: one stop short of Tooting Online Status: Offline Posts: 54 |
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Posted: 21 Mar 12 at 2:27pm |
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Sounds like f18's, f16s should be added to the boats requiring
individual handicaps like they suggest for the A class cats, ie if you aren't running a state of the art "f variant you may be better to get your individual measurement carried out , unfortunately the online calculator has not been updated as yet , nor how to measure mainsail . It's also interesting to note that whilst schrs uk accept single handed spinnaker cats are slower than there counterpart two man variants they still get a punitive rating the same as two man boat , this would also suggest that single spin boats without a two man counterpart are also harshly penalised. Perhaps we're heading down the line of schrs producing a handicap rating which then could be fine tuned by Rya s reporting system , would be interesting to see what ratings that would throw up , Rya can use their system to analyse and produce revised schrs ratings , if asked, and I know they would be delighted to do so . However many thanks to all who produces these rules , it is appreciated that it takes immense commitment and time , hopefully comments that are made can be taken as constructive observation from those out with "the woods " |
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