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Date: Tue, 9 Feb 2010 13:38:25 -0700
From: Bob White <bob@bob-white.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: rpm vs Power was : Throttle limits was  Re:
 N.A. Renesis to turbo
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I believe "C" represents a constant.  I also seem to recall that some
of the drag parameters go up to the 4th power and higher with velocity,
so that the cube of velocity is the best you can do.   It will probably
be worse.

Bob W.


On Tue, 9 Feb 2010 15:21:52 -0500
"Bill Bradburry" <bbradburry@bellsouth.net> wrote:

> When you do math, you are supposed to show your work!  :>)
> 
> S'plain please!
> 
> B2 
> 
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Ernest Christley
> Sent: Tuesday, February 09, 2010 1:42 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: rpm vs Power was : Throttle limits was Re: N.A.
> Renesis to turbo
> 
> MONTY ROBERTS wrote:
> > Hp = C*V^3
> >  
> > Is that simple enough? ;-)
> >  
> At work and bored, so I ran some numbers.  Start with 170Hp that gives you
> 168mph.  To get to 172mph, you'd need 182.4Hp.
> 
> --
> Homepage:  http://www.flyrotary.com/
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