A simple compass made for a car works great,,,,,I've used one to 1200 feet with out any problems. D
Steven Mills <invacuo@applevalley.net> wrote:
Dan,
I've thought of a compass made for cars.
They're inexpensive and do not require an
antenna or transceiver.
These links might give you some ideas for starters:
http://www.terrafix.co.uk/products/mobile/compass.htm
http://estore.websitepros.com/774249/Search.bok?category=ELECTRONICS:Electronic+Compasses
--Steve
On Wed, 20 Oct 2004 21:47:18 -0400, Dan H. wrote:
> Hello All,
>
> Well, I've had My K-350 "Persistence" out several times this summer, and
> now that the local waters are clearing up more as they get cooler, I'll
> be getting in several more dives until it freezes. As of yet, I haven't
> done a deep water test but dived manned to fifty feet several times and
> had no problems. I don't care to take it any deeper then that until I
> do an
unmanned deep water test to five or six hundred feet.
>
> I've had a bunch of fun with it, even though I haven't seen anything
> spectacular. With the practice, I'm getting better at controlling it.
> It still bobs some as I'm submerging, but I now keep that down to no
> more then four degrees fore and aft. Running a straight line when going
> top speed (don't ask me how fast but it's faster then one could row) is
> still difficult. The faster I go the easier it is to get in a quick
> unintentional turn. I know a tail fin would help but I don't think I
> want to add one yet.
>
> The other thing that I need to do is install some sort of directional
> device. I'm thinking a gyro compass. Once I loose sight through the
> conning tower viewports, I'm traveling blind. Even near the surface,
> unless the sun is shining through the top view port, I can't get
> oriented and keep it
there.
>
> Does anyone know where I can get a gyro compass or anything else to tell
> direction with, other then a new gyro for an airplane out of the
> catalogue at $1600 a pop? Also, most airplane gyros seem to be vacuum
> powered. I need either 12, 24 or 36 volt powered.
>
> How do you other guys tell direction ? Keep in mind I've been diving in
> pea soup where vis is no better then four feet. To give you an idea how
> many pees are in the soup around here, at forty feet, there is ZERO
> light coming from the surface. With the lights off, IT'S DARK!!!!
>
> Thanks for any help, Dan H.
--
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