[Rhodes22-list] R22 Instrumentation

[Russell Miller]

PS The mount for the Lowrance was custom made by Stan.

Russ
----- Original Message -----
From: "William P. Barry, III" <wp.barry at att.net>
To: "The Rhodes 22 mail list" <rhodes22-list at rhodes22.org>
Sent: Saturday, February 25, 2006 12:58 AM
Subject: Re: [Rhodes22-list] R22 Instrumentation


> On our R22 we had a Lowrance GPS/Depth Sounder combination unit as well as
a
> bulkhead mounted compass. We had a mount installed on the port side
bulkhead
> facing the tiller that the GPS would slide into, with an identical mount
> inside the cabin behind the step over the centerboard trunk so it could be
> taken inside when not in use. The antennae was attached to the stern rail.
> This setup was ideal for us and whether in use or in the storage fixture
the
> GPS was never in the way. The screen is too small to visible see your
> present location without great eyesite, but its fairly easy to take a
quick
> look while under way when sitting on the bench seat tiller in one hand the
> other on the GPS controls. Really there shouldnt be a need to constantly
be
> looking at it while under way. The numerical value for water depth however
> was enlarged and easy visible from any position in the cockpit whioch
would
> be more vital immediately available information. We had a hand held GPS
and
> found that a fixed mount with the larger screen and chartplotter was much
> more valuable in use. The handheld often just sat on the bench seat and
> occasionally looked at but its chartplotting capabilities were extremely
> limited due to the fucntional availability of a monitor. Also on the topic
> of using a GPS as a compass... Unless fully under power or moving at a
> decent speed, a GPS is not the most efective method of finding your
current
> travel direction. The gps cannot visible see which direction your boat is
> heading like a compass can, it only tells you the actualy direction and
rate
> of speed in which you are moving. eg: If the boat pivots 360 degrees at a
> point, the gps will not detect any movement at all. the fixed mount
compass
> however will also rotate 360 degrees.
>
> http://www.chmarine.com/Rule/Compass/Saturn.html We had the bulkhead mount
> (dual read) compass and had the backlight setup to turn on when the
> navifation lights were on. No problems and found it very easy to read
while
> at the tiller. Bought and installed through GB. Only change that i would
> have made would be a RED backlight for night sailing, less visual
> distraction.
>
> Hope this helps....
>
> Will Barry
> wp.barry at att.net
>
>
>
>
> ----- Original Message -----
> From: <DCLewis1 at aol.com>
> To: <rhodes22-list at rhodes22.org>
> Sent: Saturday, February 25, 2006 12:12 AM
> Subject: [Rhodes22-list] R22 Instrumentation
>
>
>
> Folks,
>
> We are in the midst of trying to get our R22 equipped while it’s still at
> GBI and the matter of instrumentation has come up.   The purpose of  this
> Email
> is to solicit input regarding what works.
>
> Our current plan is to have a depth finder (Humminbird Mk17?) and bulkhead
> compass mounted on the exterior cabin wall.  Questions:
> - Both  instruments seem to me to be far from the tiller.  In your
> experience
> can  you meaningfully use instruments mounted on the cabin (I realize this
> may be a  function of your farsightedness, but any input is welcome.).
In
> particular, would a hand held compass be more useful than a bulkhead
> compass?
> If you like a bulkhead compass, any specific recommendations  regarding
> models
> and types?
> - If these instruments are mounted  on the exterior, how do you keep them
> from walking away?  Has anyone had a  problem in this regard?
> - I understand the Mk17 has a bezel that facilitates  mounting.  I also
> think
> the Mk17 has a 1 year warranty that the display  will be waterproof.  But
> for
> the long term, how do you keep the Humminbird  (or any other) depth
> finder/GPS display secured and out of the weather when the  boat’s
secured?
> I haven’t
> identified a cap that would keep the sun and  precip off it and/or secure
it
> - have I missed something?  I gather there  are a number of Humminbird
users
> on the board, what do you do?  I believe  there are caps for bulkhead
> compasses, that protect them from the weather, and  provide some security,
> it that what
> you use?
>
> I’m inclined to use a hand held GPS, just because it will be closer to
me.
> Also, it will be easily secured and I can take it home to program way
> points
> etc.  The same GPS could act as a compass.  The alternative is  to use the
> Humminbird depth finder with a GPS driver - they make one - or  another
> bulkhead
> mounted GPS system.  The Humminbird will have a larger  display, but at
the
> front of the cockpit.  Again, I’m not sure the  Humminbird can be secured
or
> kept out of the weather, and I don’t think it will  be a simple matter to
> take it
> home to program a course, way points, etc.   Has anyone considered these
> trades and come to a decision as to the way to  proceed.  Better yet, does
> anyone
> have experience with hand held vice  bulkhead mounted GPS displays.
>
> Thanks for any input.
>
> Dave
>
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