[Rhodes22-list] How do I order spare parts from General Boat

[John Crickenberger]

I has seen several message from people that had ordered parts from General
Boat.  I have sent sever messages using  the email address at their web site
but have not gotten an answer.  What is the secret?

----- Original Message ----- 
From: "Roger Pihlaja" <cen09402 at centurytel.net>
To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
Sent: Tuesday, May 18, 2004 6:02 PM
Subject: Re: [Rhodes22-list] Toys for Rhodes


> Jeff,
>
> You are asking questions about a very complex subject.  I will try to give
> simple & short answers.  The type of sensors you are refering to are
called
> "pitot tubes" & there are versions intended for marine use.  Pitot tubes
> operate by measuring the differential pressure between an orifice which is
> pointing into the flow stream and another orifice which is at the same
> vertical height and exposed to the same fluid.  The velocity as measured
by
> this type of sensor is proportional to the square root of the differential
> pressure.  As such, pitot tube sensors are very inaccurate at the low
> velocities usually encounted on sailboats.  These types of speed sensors
are
> very common on planing speedboats and of course on aircraft because of the
> greater velocities.  The only common sensor, (Meaning sufficiently
> inexpensive for most of us to afford to buy!)  which is sufficiently
> accurate at the low velocities encountered on sailboats, is the
paddlewheel
> turbine.  The paddlewheel turbine type sensor needs to be installed near
the
> front of the boat, far enough back from the bow to not be affected by the
> bow surging up and down, not so far back that the laminar flow has
separated
> into turbulence, and sufficiently deep that the transducer is always
> submerged on either tack.  The prefered location on a Rhodes 22 is on the
> port side just in front of the shoal draft keel.
>
> The depth transducer has two possible locations on a Rhodes 22.  One is on
> the starboard side, approximately amidships as close as possible to the
> shoal draft keel.  This places the transducer basically in front of the
ice
> box underneath the cabin sole.  Usually, a screw-in inspection plate is
> installed in the cabin sole above the transducer to facilitate
installation
> and maintenence.  The other location is in the lazarette compartment as
far
> forward as possible and several inches to starboard of the centerline
> cockpit drain.  However, in the lazarette compartment, the backside of the
> transducer and the cable must be protected against impact and chafing from
> all the heavy gear normally carried back there.
>
> If you want any more details than that, I suggest you talk to Stan at GBI.
>
> Roger Pihlaja
> S/V Dynamic Equilibrium
>
> ----- Original Message -----
> From: <JSusanj at aol.com>
> To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
> Sent: Tuesday, May 18, 2004 11:57 AM
> Subject: Re: [Rhodes22-list] Toys for Rhodes
>
>
> > How much does the hull shape affect the measurments?  I know that flight
> test aircraft put sensors out on a boom to get readings in air that is not
> disturbed by flowing around the fusilage.  Since it would be difficult to
> stick something out front, it would seem better to trail something behind
> rather than attaching it to or through the hull.
> >
> >
> > Jeff S.
> >
> >
> > In a message dated 5/17/2004 9:07:07 PM Eastern Daylight Time,
> cen09402 at centurytel.net writes:
> >
> > >
> > > Jeff,
> > >
> > > There are transom-mounted transducers for the knotmeter/log/water
> > > temperature and also some installations of the depth sounder
transducer
> > > wherein the sensor is bonded to the inside of the hull with epoxy.
> Without
> > > going into the technicalities of these installations, neither type
works
> > > particularly well.  To the best of my knowledge on the subject, both
> types
> > > of transducers will give the best accuracy & sensitivity (greatest
> measured
> > > depth) if installed in properly located and oriented thru-hulls.  A
> > > below-the-waterline thru hull is no big deal.
> > >
> > > Roger Pihlaja
> > > S/V Dynamic Equilibrium
> > >
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >
> >
>
>
> __________________________________________________
> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list