Re: [PSUBS-MAILIST] HP vs Speed

["Adam Lawrence" <adteleka@vzavenue.net>]

The Formula is:

P=F*V=0.5*C*A*d*V^3
P = power
C = drag coeficient
A = frontal area
d = fluid density
V = velocity

C=(24/Re)*(1+0.15*Re^0.687)+((.42)/(1+4250000*Re^-1.16)

Adam

----- Original Message ----- 
From: "Michael B Holt" <tlohm@juno.com>
To: <personal_submersibles@psubs.org>
Sent: Sunday, October 31, 2004 2:29 PM
Subject: Re: [PSUBS-MAILIST] HP vs Speed


> On Sun, 31 Oct 2004 13:33:15 -0600 "Adam Lawrence"  writes:
> > I came up with 5.1 hp for your sub.
> > The equation is not linear, velocity is ^3.
> > There is a drag coeficient too, I didn't calculate it, just used an 
> > approximation based on geometry.
>
> What's your formula?  What is the size of the boat?
>
>
> Mike
>
>
> ________________________________________________________________
> Speed up your surfing with Juno SpeedBand.
> Now includes pop-up blocker!
> Only $14.95/ month - visit http://www.juno.com/surf to sign up today!
>
>
>
> ************************************************************************
> ************************************************************************
> ************************************************************************
> The personal submersibles mailing list complies with the US Federal
> CAN-SPAM Act of 2003.  Your email address appears in our database
> because either you, or someone you know, requested you receive messages
> from our organization.
>
> If you want to be removed from this mailing list simply click on the
> link below or send a blank email message to:
> removeme-personal_submersibles@psubs.org
>
> Removal of your email address from this mailing list occurs by an
> automated process and should be complete within five minutes of receipt
> of your request.
>
> mailto:removeme-personal_submersibles@psubs.org
>
> PSUBS.ORG
> PO Box 311
> Weare, NH  03281
> 603-529-1100
> ************************************************************************
> ************************************************************************
> ************************************************************************




************************************************************************
************************************************************************
************************************************************************
The personal submersibles mailing list complies with the US Federal
CAN-SPAM Act of 2003.  Your email address appears in our database
because either you, or someone you know, requested you receive messages
from our organization.

If you want to be removed from this mailing list simply click on the
link below or send a blank email message to:
	removeme-personal_submersibles@psubs.org

Removal of your email address from this mailing list occurs by an
automated process and should be complete within five minutes of receipt
of your request.

mailto:removeme-personal_submersibles@psubs.org

PSUBS.ORG
PO Box 311
Weare, NH  03281
603-529-1100
************************************************************************
************************************************************************
************************************************************************