Received: from hplms26.hpl.hp.com by opus.hpl.hp.com with SMTP (1.37.109.8/15.5+ECS 3.3+HPL1.1) id AA19911; Thu, 17 Aug 1995 11:05:44 -0700 Return-Path: <greg@jibe.com-DeleteThis> Received: from blob.best.net by hplms26.hpl.hp.com with ESMTP ($Revision: 1.36.108.11 $/15.5+ECS 3.3+HPL1.1S) id AA123132799; Thu, 17 Aug 1995 11:06:40 -0700 Received: from grog.vip.best.com (grog.vip.best.com [205.149.165.86]) by blob.best.net (8.6.12/8.6.5) with SMTP id LAA10214 for <wind_talk@opus.hpl.hp.com-DeleteThis>; Thu, 17 Aug 1995 11:01:39 -0700 Date: Thu, 17 Aug 1995 11:01:39 -0700 Message-Id: <199508171801.LAA10214@blob.best.net-DeleteThis> X-Sender: grog@best.com-DeleteThis X-Mailer: Windows Eudora Version 1.4.4 Content-Type: text/plain; charset="us-ascii" To: wind_talk@opus.hpl.hp.com-DeleteThis From: greg@jibe.com-DeleteThis (Greg Payne) Subject: Re: Advice Needed from owners of Mike's Labs
What does the term "rail up" mean? Below is a good explanation for engineers
but can someone put it in layman's terms (i.e. what happens to the board? )
>well, I'd simply get a shorter blade fin. After some experimentation I'm
>running a 13.2" by "fin works" on my 8'8 cfx for 5.2 & 5.7. seems to work
>pretty well. I had been using an 11.5" but was having lotsa spinout problems
>(i.e. not big enuff). Tho I'm going to try the 11.5 again on that board in 4.7
>conditions at Coyote say to see how it works (might end up needing a
>12-something). I have a 15.25" blade on my 9'0 which I use for 6.2 & up. seems
>to work pretty well. I've had my boards rail up when way overpowered (like
>sailing a 6.8 in 5.5 conditions (hey, no time to re-rig)), and after thinking
>about the free-body diagram of the board/sail/rider system, it makes sense (fin
>starts generating tons of lateral force, thus rolling board up cuz it puts a
>moment around the board's axial centerline which overpowers the counter moment
>being applied by the rider). so simple soln would be smaller fin. Perhaps try a
>12-or-13-something. Windsurf Warehouse has piles of fins for all finboxes and
>makes the time to help you figger out another one to try (I'm just a satisfied
>customer).
>
>Jeff
>
>
This archive was generated by hypermail 2b29 : Mon Dec 10 2001 - 02:29:53 PST