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Board » General Discussion » IMSYC 2011

Posted by 76Trombones Posts 362 Registered at 2009-08-03 18:04:56	2011-06-17 16:09:46 - Re: IMSYC 2011
	WhyNot said @ 2011-06-17 16:07:16: 76: How do I send the grib files to you? Do you have a "junk e-mail addy - where you let ppl you don't know send you stuff. Hi WN - email is listed in my profile, just change _at_ to @. Thanks!
Posted by WhyNot Posts 51 Registered at 2011-02-03 18:39:54	2011-06-17 16:43:16 - Re: IMSYC 2011
	OK, I'll send them to you. But I disagree with your statement that it makes no diff to us. And now I'm getteing real petty and whiny. It makes a diff overall ranking wise and its the overall position that is used in SOLs ranking. Speaking purely for my self - dont think anybody else is as whiny as I am - I know that several uprisings passed me on the final leg. Them TWA 180 and my gybing at VMG. I sat there scratching my head and fired up Navmonpc (and I know it is not acurate) but Whoaa!! How dey do dat??? Some may have noticed that I'm a really competetive kinda guy
Posted by Tempest Posts 79 Registered at 2009-06-16 17:44:17	2011-06-17 17:00:27 - Re: IMSYC 2011
	Tom, i don't mind you beeing competitive. But you should also have been competitive before the race when comparing polars. It was as obvious then as it is now that uprising had that polarbend at certain windspeeds. For reasons known to you you choose i believe the Katrinautic as you thought that was the best boat. Complaining in hindsight is always a bit easy . I wonder if we would have had this same discussion as katrinautic had won?
Posted by Rod Posts 392 Registered at 2010-06-24 22:30:48	2011-06-17 17:09:44 - Re: IMSYC 2011
	To A Gage: I didn't notice the discrepancy, and I went over those polar diagrams in non-mathematical detail---and nobody else mentioned them in the chat. I chose 'uprising' on the basis of better up and down-wind performance at all wind speeds, and fastest speed on a reach----but I didn't spot the "Faster-than-the-wind at 180" at all. I hope that the designer receives all due credit for his effort----and wonder how his work compares with that of other professionally designed boats--- I wonder if some of these designs etc could be made available to SOLers---just for interest's sake. The race is over and I'm reasonably happy--except for an unfortunate course-HOOK, due to a middle of the night wind change.But that was my fault!!! --- Last Edited by Rod at 2011-06-17 17:15:30 --- If it breaks, it's not strong enough--if it doesn't, it's too heavy.
Posted by WhyNot Posts 51 Registered at 2011-02-03 18:39:54	2011-06-17 17:44:02 - Re: IMSYC 2011
	Tempest: I was competetive in my selection. I decided that all the "realy fast guys" would choose uprising, so I figgered i'd be better off in the "second best" boat. I'm also a sucker for a pretty face Anyhoo, as history will show - it worked. The real issue here is the "absolute denial" and wierd explanations after the fact. All boats have bulges in their polars. The keel dipping lower in water giving greater speed at that windspeed. Boats can sail faster than the wind at TWA 180. Its not uncommon that boats can be designed to sail faster at a specific windspeed and direction. One polar is in m/s but the one useg in the race is in knots. I could go on. Its just a game, so somebody could have said: Oopss - we really screwed up here. And that would have been it. End of discussion. Tom
Posted by WhyNot Posts 51 Registered at 2011-02-03 18:39:54	2011-06-17 17:47:25 - Re: IMSYC 2011
	And Tempest. We would have had the same ddiscussion if katrin had had the same bulge. As I said: "I'm a real competetive guy" and I would have pointed it out myself.
Posted by WhyNot Posts 51 Registered at 2011-02-03 18:39:54	2011-06-17 18:52:18 - Re: IMSYC 2011
	76: I'm new to this. Didn't even know we had public profiles. Eh - I can't find them.Pls help Found it. I'd put a blushing smiley here if I could find it. --- Last Edited by Tom Nordahl at 2011-06-17 18:55:45 ---
Posted by 76Trombones Posts 362 Registered at 2009-08-03 18:04:56	2011-06-17 18:57:25 - Re: IMSYC 2011
	No problem! A bit hidden. Click any of our names and it should link to the profile. You can change what is visible to others by editing your own via the link in the login box.
Posted by 76Trombones Posts 362 Registered at 2009-08-03 18:04:56	2011-06-17 21:05:26 - Re: IMSYC 2011
	Here are the ratings based on WhyNot's archived weather added to mine. There are still a few gaps, but should be much closer than the ones based on the pre-race forecast: imsyc_uprising 1.000 imsyc_katrinautic2011 1.061 imsyc_falcon 1.080 imsyc_nyd66 1.091 imsyc_Raspberry 1.094 imsyc_JBSD66 1.135 imsyc_scandinavia 1.136 imsyc_j 1.149 imsyc_mano 1.167 imsyc_lb66 1.189 imsyc_pjtr 1.199 Corrected time ranking attached for all boats currently finished. Congrats to all concerned! The ranking is still top heavy with Uprisings and Katrins, but most of the "usually" fast crowd chose those boats. I'll do a final calc if anyone can fill in the missing gribs. Attachments IMSYC2011tot.xls (48.0 KB)
Posted by A2 Posts 347 Registered at 2009-10-26 00:39:42	2011-06-17 22:59:41 - Re: IMSYC 2011
	Comparative Ordinal Ranking Evaluation Boat, Upwind, Downwind, Design A: __ 9.46 __ 9.28 _ uprising B: __ 8.35 __ 8.18 _ katrinautic C: __ 8.22 __ 6.49 _ falcon D: __ 6.37 __ 7.64 _ nyd66 E: __ 6.03 __ 6.82 _ raspberry F: __ 3.59 __ 5.66 _ scandinavia G: __ 4.87 __ 3.62 _ JBSD66 H: __ 4.37 __ 2.56 _ j I: __ 2.32 __ 1.31 _ mano J: __ 0.69 __ 2.18 _ pjtr K: __ 0.72 __ 1.27 _ lb66 None so blind

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