[Rhodes22-list] Measured Hull Speed

[Steve]

Michael/Roger
Didn't we calculate hull speed for the R22 at around
5.9 kt some time ago.  Who still has that formula?  I
know that when I out sailing; for me to the my boat
plaining; I uselly need to hit 6 kt to get a good
plain going.
Steve


--- Ronald Lipton <lipton at sprynet.com> wrote:
> Hull speed is not an absolute limit - it is just the
> point where the power
> vs speed curve becomes very steep.   To do a proper
> job one should
> plot speed vs engine RPMs and see where there is a
> significant change
> in the slope (I have neve seen cush a plot myself).
> 
> Ron
> ----- Original Message ----- 
> From: "Christine Allison" <sailnut at asan.com>
> To: "The Rhodes 22 mail list"
> <rhodes22-list at rhodes22.org>
> Sent: Wednesday, July 23, 2003 8:52 AM
> Subject: Re: [Rhodes22-list] Measured Hull Speed
> 
> 
> > In my opinion the boats hull speed is about 5.2
> knots or a little better.
> I
> > make it a point to run my GPS to aid in sail trim
> when the boat is
> cranking
> > along.
> >
> >  I recognize that the GPS provides speed over the
> ground however after a
> lot
> > of observations and taking the state of the
> current into consideration I
> > think a Rhodes would be hard pressed to maintain
> more then 5.2 knots and
> in
> > actuality probably 4.7 to 4.9 knots (sustained)
> would represent excellent
> > sailing.
> >
> > Richard Smith
> >
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help?
> www.rhodes22.org/list
> 
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help?
www.rhodes22.org/list


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