Re: Advice Needed from owners of Mike's Labs

From: Booker C. Bense (bbense@networking.stanford.edu-DeleteThis)
Date: Thu Aug 17 1995 - 11:29:09 PDT 

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 AA21143; Thu, 17 Aug 1995 11:33:15 -0700
Return-Path: <bbense@networking.stanford.edu-DeleteThis>
Received: from shred.stanford.edu by hplms26.hpl.hp.com with ESMTP ($Revision: 1.36.108.11 $/15.5+ECS 3.3+HPL1.1S) id AA128134447; Thu, 17 Aug 1995 11:34:07 -0700
Received: (from bbense@localhost) by shred.stanford.edu (8.6.12/8.6.6) id LAA17003; Thu, 17 Aug 1995 11:29:13 -0700
Date: Thu, 17 Aug 1995 11:29:09 -0700 (PDT)
From: "Booker C. Bense" <bbense@networking.stanford.edu-DeleteThis>
To: wind_talk@opus.hpl.hp.com-DeleteThis
Cc: Multiple recipients of list <wind_talk@opus.hpl.hp.com-DeleteThis>
Subject: Re: Advice Needed from owners of Mike's Labs 
In-Reply-To: <199508171801.LAA10214@blob.best.net-DeleteThis>
Message-Id: <Pine.OSF.3.91.950817112148.15129D-100000@shred.stanford.edu-DeleteThis>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Thu, 17 Aug 1995, Greg Payne wrote:

> 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? )
>

- The "rails" are the sides of the board. A board "rails up" when the
windward "rail" lifts up uncontrollably. (i.e. the board turns sideways).
Racing sailors will deliberately rail up their boards as it is the
fastest way to get upwind. In effect you turn the board into a hydrofoil,
one lifting surface is the fin, the other is the leeward rail. This is
why course boards have sharp flat rails. It's also the reason why course
boards are hard to jibe, the rails "bounce" the board out of your carved
jibe.

- Booker C. Bense : bbense@networking.stanford.edu-DeleteThis

This archive was generated by hypermail 2b29 : Mon Dec 10 2001 - 02:29:54 PST