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New Singlehanders: PYs

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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Topic: New Singlehanders: PYs
    Posted: 21 May 14 at 12:46pm
Originally posted by Daniel Holman

 
1044 is tough on the rooster 8.1 - still!

When you think they mostly get sailed in sub planing for a full rig then people switch over once the weight (dis)advantage is nullfied it is probably about right.

This is what I do (when I am not fleet racing of course).
Paul
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 12:44pm
The aero 5 level rating with a Finn is tough!

I reckon if you put the Aero and Zero both on 1045, it would take a long time to prove you were wrong...
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Post Options Post Options   Quote Daniel Holman Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 12:19pm
Originally posted by Dougaldog

Just for the record, at Netley SC, (Dan's home SC, where much of the Punk sailing has taken place) the boat was sailed for the past 2 or 3 seasons of 1024. Even that looked generous at times, I was RO and watched the Punk dicing on the water with a very well sailed Merlin and Contender. Now clearly you'd need to take the Dan effect into consideration and if the Punk (in it's original guise) were still to be sailing here, that 1024 could well have been amended further.

But take out the Dan effect and you'd be left with a figure - from practical observation (not to mention results) of somewhere between 1030 and 1035.

D


It is well worth noting that the races that Dougal observed at my old club were all light wind affairs where the punk could happily hang onto the coat tails of merlins and contenders. In breeze the merlin and contender are literally knots quicker on all points of sail, except DDW in the case of the contender. The PY is an average for all breezes, hence the punk used to appear to flatter itself.

More that 12kts and a typical reachy course and I think most of the Netley Dart 18 gang would beat the punk with their hands tied behind their backs even if it were sailed by Sir Ben.

I reckon 1050 will be about right for D Zero. Probably also for Aero 9 give or take.
1044 is tough on the rooster 8.1 - still!
The HISC hcaps look very tough on the new boats, probs intentionally - no way an Aero 9 would live with a phant IMO.
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Post Options Post Options   Quote Daniel Holman Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 12:12pm
My method is/was purely regressional. Think Peaky's method he proposed recently was also regressional, but I think he may have done some VPP stuff too. Too clever for me!
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Post Options Post Options   Quote kneewrecker Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 12:07pm
Fair response Jim- thank you.

Dan / Peaky?
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 12:06pm
Originally posted by kneewrecker

A question for Jim, if he doesn't mind, what rating would he suggest to Island Barn, given a new member without any past results, rolls up with an Aero 7, Aero 9 and D-Zero?

I haven't looked at the numbers for those boats. But I've gone on record as saying that I'd be happy to look at the output of Dan's vpp spreadsheet and Peakys regression prediction formula and use them as a basis for a trial number. You can all do that if the numbers are available!
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 11:57am
Guys ....

There is a very good way to get something more useful more quickly .... and I should know a bit about it of course.   Enter them in several of the Sailjuice events and see what numbers emerge.  There are events at Datchet , Oxford and Calshot (Sailfest) coming along very soon in the Summer series and presumably they are using the GL handicap system as usual. 

You might not like it of course if/when it throws up a number you don't like but you why wait years for the formal Portsmouth system to rumble into gear.    It cuts through all the lobbying, speculation and 'wishfullness' ....   It is very unlikely that anyone (RYA) official will put their head in this particular nest and give any new craft a starting point based on 'their' assessment or test - which is exactly the reason why manufacturers are often drawn into this tangled debate (and do not really wish to be involved at all btw !) .

THe GL/Sailjuice approach is also very explicit in the aim to use/ modify handicaps based on the boats POTENTIAL - not the aggregate of a long established fleet with a lot of tired old examples (and that could be both crews and boats !) or a dodgy first guess at a number.  The key assumption you can readily make is that the faster boats in any class at these events are generally helmed by decent crews and are well sorted - so netting out the 'crew effect' to a major extent.

So see you there ? ....  Wink

Mike L.


Edited by blaze720 - 21 May 14 at 11:59am
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Post Options Post Options   Quote kneewrecker Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 11:54am
That's essentially Rupert's sentiments too.... and reading through the thread, we are all pretty much in universal agreement- the best solution is to get as much data to the RYA over the shortest possible time to generate the ENs, that hopefully become PNs with more returns in due course.

I guess it's just how we all handle the interim period that proves an interesting topic.

A question for Jim, if he doesn't mind, what rating would he suggest to Island Barn, given a new member without any past results, rolls up with an Aero 7, Aero 9 and D-Zero?  

(Assuming of course, all manufacturers have been very sensible and not offered any recommendation at all.)


Edited by kneewrecker - 21 May 14 at 11:56am
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Post Options Post Options   Quote Null Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 11:50am
Agree there Peaky, i only really care where i come on the water to be honest.  I always race the boat in front and behind me.  Regardless of class.

However, to me it makes sense to get some kind of system in place?  Take it away from the manufacturers and all the BS that is generated in new boat launches and put some science behind it.  Then use this as a base point for returns and local adjustment?  Seems simple?  Albeit im sure its not.  But it seems a much more organised way to introduce new classes then some marketing bod deciding the new class needs to be a PY bandit or the fastest thing on the start line (which soon turns out is neither)
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 21 May 14 at 11:43am
The pragmatic answer is to race off scratch with whatever enters your race. Try and beat those Phantoms and Blazes over the water. I reckon the Aero 9 and Zero could easily race over the water without worrying at all about handicaps.
It won't be long before one gets a reputation if it is faster.
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