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Re: [PSUBS-MAILIST] Gyro Compass
Carsten, Great find!
To bad I missed the bid. I had it at first, and then with four seconds
left, I lost the bid for the 28 volt gyro on E-Bay.
Thanks for the find. Maybe I'll grab the next one that comes up.
Thanks, Dan H.
----- Original Message -----
From: <MerlinSub@t-online.de>
To: <personal_submersibles@psubs.org>
Sent: Wednesday, April 02, 2008 3:09 PM
Subject: Re: [PSUBS-MAILIST] Gyro Compass
Just samples - dont no if the full fill your requirments..
regards Carsten
http://cgi.ebay.de/Kompass-Falcon-Vertikal-Einbau_W0QQitemZ320232410760QQihZ011QQcategoryZ36661QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.de/kunstlicher-Horizont-XXL_W0QQitemZ190209998587QQihZ009QQcategoryZ36661QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/NEW-NOS-G-112A-DG-DIRECTIONAL-GYRO-ELECTRIC-28v_W0QQitemZ230236440203QQcmdZViewItem?hash=item230236440203
"Jim Kocourek" <kocpnt@tds.net> schrieb:
Hi Dan,
I really do not have a good source for an electrical gyro. I have in the
past purchased items from Wag-aero with good success. They have rebuilt
items but they are still $600-700.
I also found a couple used on ebay, but they are also vacuum driven.
I have some friends at the airport who might have an idea and I will check
into it. more.
I did talk to one friend who had good luck with wentworth aircraft as
salvage yard. I think they are in minnesota.
If I learn more I will let you know.
Best Regards,
Jim K
----- Original Message -----
From: Dan. H.
To: PSUBS
Sent: Wednesday, April 02, 2008 7:15 AM
Subject: [PSUBS-MAILIST] Gyro Compass
I'm looking for help.
Aviation guys and surplus hunters!
I've been playing around with a vacuum powered gyro compass to install
in my sub. The compass works great but the vacuum pump has it's problems.
I rigged a vacuum pump to a 12VDC motor to try it. For continuous use,
the motor needs to be large to supply sufficient vacuum. It's a
continuous 12amp draw. The pump is also noisy, although much of that can
be dampened by creating a continuous loop with a return air line and sound
abatement padding. Also, the bulky pump unit is cumbersome in a tight
sub.
The solution is a electrical driven compass. From my understanding,
they are replacing the older vacuum units in small aircraft. I'm told
they are available, aircraft certified, for around $1200. That's to steep
for the small amount of time I will actually use it, and I sure don't need
it certified.
I was wondering if anyone out there can point me to a source for yellow
tagged or red tagged units that will still operate, and at a better price
then a new one. If It could keep a heading within 30 degrees for twenty
minutes, it's all I need and would be far better then the magnetic compass
I have now.
Thanks, Dan H.
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603-529-1100
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