[Rhodes22-list] Measured Hull Speed

[Steve]

Well there you have it, Michael.  If I ever need fuel;
I will just borrow it from you:-)
Steve

--- Michael Meltzer <mjm at michaelmeltzer.com> wrote:
> by extreme over kill :-)
> 
> My standard tankage is two 6.6 gallon tanks that I
> run dry before switching. plus a 3 gallon baby tank
> with it's own fuelline setup,
> have "eaten" fuel lines :-)
> I use .7 gal/hour(IIRC the number from the manual
> for max usages)
> 
> The standard tank will give a range around 130 miles
> and the reserve 30 miles, if I think I even getting
> close to these number I
> have a second pair of 6.6 tanks that will double the
> range.
> We both know these are worstcase number and the real
> ones are about 1/3 better. I like having the reserve
> to hold outside an
> anchorage and it gives me "options" if a gas dock is
> closed or a storm is brewing. It seems the wind is
> always in the wrong place if
> I need to get somewhere :-)
> 
> MJM
> 
> 
> PS. for steves next line, "floating oil barge", for
> bill is know it is overkill, I like insurance.
> 
> 
> ----- Original Message ----- 
> From: "Roger Pihlaja" <cen09402 at centurytel.net>
> To: "The Rhodes 22 mail list"
> <rhodes22-list at rhodes22.org>
> Sent: Wednesday, July 23, 2003 11:38 AM
> Subject: Re: [Rhodes22-list] Measured Hull Speed
> 
> 
> > Michael is correct.  Please forgive me, I was
> careless with my nomenclature.
> > I meant that 5-1/4 knots is about the most
> economic motoring speed for
> > Dynamic Equilibrium.
> >
> > How do you people plan your trips if you don't
> know what fuel mileage to
> > expect?  This is pretty fundamental stuff.
> >
> > Roger Pihlaja
> > S/V Dynamic Equilibrium
> >
> > ----- Original Message -----
> > From: "Michael Meltzer" <mjm at michaelmeltzer.com>
> > To: "The Rhodes 22 mail list"
> <rhodes22-list at rhodes22.org>
> > Sent: Wednesday, July 23, 2003 11:20 AM
> > Subject: Re: [Rhodes22-list] Measured Hull Speed
> >
> >
> > > it a case where everyone is right here,
> > >
> > > watch the 2 terms, HULL speed and engine cursing
> speed,
> > >
> > > hull speed is about 6.25 on a rhodes22.
> > > the engine cursing speed might be less, first
> off it takes about 6hp to
> > push a rhodes22 at hullspeed, but by lowing the
> speed a
> > > little (like 5) knots the power req drop to
> around 3-4 hp. I have the
> > caluatilied number somewhere but need to dig them
> up.
> > >
> > > MJM
> > >
> > > ----- Original Message -----
> > > From: "Steve" <rhodes2282 at yahoo.com>
> > > To: "The Rhodes 22 mail list"
> <rhodes22-list at rhodes22.org>
> > > Sent: Wednesday, July 23, 2003 11:11 AM
> > > Subject: Re: [Rhodes22-list] Measured Hull Speed
> > >
> > >
> > > > 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
> > > >
> > > >
> > > > __________________________________
> > > > Do you Yahoo!?
> > > > Yahoo! SiteBuilder - Free, easy-to-use web
> site design software
> > > > http://sitebuilder.yahoo.com
> > > >
> __________________________________________________
> > > > Use Rhodes22-list at rhodes22.org, Help?
> www.rhodes22.org/list
> > > >
> > > >
> > >
> > >
> __________________________________________________
> > > Use Rhodes22-list at rhodes22.org, Help?
> www.rhodes22.org/list
> > >
> > >
> >
> >
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help?
> www.rhodes22.org/list
> >
> >
> 
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help?
www.rhodes22.org/list


__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com