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Old 24th May 2007, 11:18 PM   #11
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Thanks gootee.
Looks like I'll do more research...good links you gave there.
(I'm also considering that Wave Analyzer kit.....hmmm...)

The only numbers on this thing, are hand inscribed, on various parts, like:

WP 12492

FP 3278

FU 1256


One thing to think about....why is there a plastic shield/window ?....
....meant to be viewed ? otherwise, I'd think a metal housing would be in it's place.

=FB=
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Old 25th May 2007, 05:01 AM   #12
gootee is offline gootee  United States
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Quote:
Originally posted by redrabbit
Thanks gootee.
Looks like I'll do more research...good links you gave there.
(I'm also considering that Wave Analyzer kit.....hmmm...)

The only numbers on this thing, are hand inscribed, on various parts, like:

WP 12492

FP 3278

FU 1256


One thing to think about....why is there a plastic shield/window ?....
....meant to be viewed ? otherwise, I'd think a metal housing would be in it's place.

=FB=
If the unit were viewable, it might be a plus to be able to see inside, too. But it might also just be a lightweight way to have a "dust cover", to keep dirt and some moisture out, but also to protect the internal rotating parts from mechanical interference (and maybe even to help keep their sound inside, if it went on a submarine).

It would be interesting if you could see if there are any voltages on the connector pins, when it's activated.

- Tom
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Old 25th May 2007, 05:17 AM   #13
OzMikeH is offline OzMikeH  Australia
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does the brass looking thing have flyweights?
do the weights swing in and out depending on speed?
if so then it may be a speed regulator of some kind.

it might be a generator or a DC motor if you measure voltage.
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Old 25th May 2007, 07:32 AM   #14
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Quote:
Originally posted by OzMikeH
does the brass looking thing have flyweights?
do the weights swing in and out depending on speed?
if so then it may be a speed regulator of some kind.

it might be a generator or a DC motor if you measure voltage.
Yes to all questions.

* This surplus store (Apex) contains many older aircraft parts.
* The bottom metal housing only contains wires to the 4pin connector - no motor.
* It will produce up to 1v dc, depending on spinning speed.
* The top contacts make alternate contact as it spins. It's a 1 pole, 2 contact arrangement, connected to 2 connector pins (and elsewhere inside).
* What I said was maybe a capacitor....could that be "reading" the counter weighted part? (a Reed relay?)
* There is a space on the top gear for a belt.

I made a drawing:
http://i5.photobucket.com/albums/y17...t/DSCN2109.jpg

I think it may be a speed indicator that does not rely on any other power but it's own..??

=FB=
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Old 25th May 2007, 07:42 AM   #15
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Quote:
Originally posted by gootee
if it went on a submarine
The construction is not rigid enough for sub use.
There are likely pictures of gyro valves for torpedo tubes to be found on the web, they're built like a brick.
Military aircraft looks more apparent, i recollect the cash prize for weight saving idea box sweepstake like it was yesterday.
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