RE: [Paddlewise] How Windy Was It (Really)?

Obviously you also need a slide rule.  (Not a calculator with electronic
parts that could fail in a marine environment).  They should be pretty cheap
at garage sales.

Larry 

> ----------
> From: 	Kirk Olsen[SMTP:kolsen_at_imagelan.com]
> Sent: 	Friday, October 16, 1998 12:58 PM
> To: 	Colin Calder
> Cc: 	paddlewise
> Subject: 	RE: [Paddlewise] How Windy Was It (Really)?
> 
> On Fri, 16 Oct 1998, Colin Calder wrote:
> 
> > All you need is a ping pong ball, a piece of thread one foot long, and a
> > protractor
> > 
> > Wind speed in ms-1 = 8.1 * sqrt(tan(angle of thread))
> > Wind speed in mph = 18 * sqrt(tan(angle of thread))
> 
> You can do sqrt(tan(angle of thread)) in your head?
> 
> I'm not worthy....
> 
***************************************************************************
PaddleWise Paddling Mailing List
Submissions:     paddlewise_at_lists.intelenet.net
Subscriptions:   paddlewise-request_at_lists.intelenet.net
Website:         http://www.gasp-seakayak.net/paddlewise/
***************************************************************************