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Please Help Identify This Instrument

Other Electrical Systems Tech. Discuss Please Help Identify This Instrument in the Technical forums; We bought this at a garage sale & can't find anyone who can tell us exactly what it is. We've ...

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    Please Help Identify This Instrument

    We bought this at a garage sale & can't find anyone who can tell us exactly what it is. We've searched all over the internet, visited the local VFW, the Planes of Fame & the Air Museum in Chino, CA... nobody seems to know. If someone here can help, we would greatly appreciate it.
    Thanks, Denise



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    Senior Member trackend's Avatar
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    It looks like an Inclinometer of some sort but from where I wouldn't know but I suspect FlyboyJ on many of the other guys will be able to tell you

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    IP/Mech THE GREAT GAZOO FLYBOYJ's Avatar
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    ??????????????

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    Hi cakollektor,
    Could be too easy but is there any references / data plate on your (looks like compass?) ?
    Cheers,

    Olivier
    Last edited by SABURO; 06-16-2007 at 12:19 PM.

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    Senior Member cougar32d's Avatar
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    anybody thinking submarine? just a thought.

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    Senior Member cougar32d's Avatar
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    or did i just turn retarded?

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    Senior Member Thorlifter's Avatar
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    No cougar, I don't think you are. I'm thinking its a dive plane indicator.

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    Senior Member cougar32d's Avatar
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    makes me feel better thanks

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    “Archive” Micdrow's Avatar
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    cakollektor, could you give us the dimentions of the part. I have to agree with Thorlifter. It looks way to big to be for an aircraft. At least by looking at the pictues and the location for the placement of fittings.
    Last edited by Micdrow; 06-17-2007 at 07:12 AM.

    "Valor does not mean Hero."

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    Thanks so much to everyone for the input. In answer to Saburo's question regarding a data plate, there is none... we did find a number stamped into the metal underneath top ring. I wrote it down, but can't seem to find where I wrote it now. I believe it was six digits, the first digit a 3. It came in a wooden box, but I don't know if it is meant to be in the box, or if a previous owner did that. The top ring is 5-7/8" diameter & the height is about 4-1/16", not including the post that sticks out the bottom. I added a couple more photos. Again, thanks for the help. Denise


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    cakollektor = the lucky collector of the year !!!???
    To me.....
    This is a Japanese Reflector navigator's compass model 1 or 2, (kai ?).
    According to my sources it could be Type 2 Kai (to be confirm !)
    your compass is missing the reflector mirror (may be not, it was use as a simple aperiodic compass (like the British type P6, P8, P4, P10, P11)on the BETTY & FRANCES bomber), the lighting system,the card holder and the data plate (could have been a decal). A specialist could be more precise for the Type.

    Usefull link :
    http://gunsight.jp/b/english/hunatu03e.htm
    Usefull book/
    Monogram close-up N°14 & 15
    Aviator uniform & equipement of IJN (model art magazine) see the scan below.
    Japanese aircraft interior 1940-1945 by Robert C.Mikesh


    Used on: (to be confirm !)
    NELL
    IRVING
    BETTY (aperiodic)
    FRANCES (aperiodic)
    SEIRAN
    JAKE
    PAUL

    P.S. More and more I think your compass must have been used without the miror, for direct reading from above (like the Brtish type, see above) as the numbers are written in a normal way not reverse as they are on the document attached (to be read with a mirror) so I would say Betty bomber or Frances A/C.
    Attached Thumbnails Attached Thumbnails Please Help Identify This Instrument-compass.jpg   Please Help Identify This Instrument-compass-2.jpg  

    Last edited by SABURO; 06-17-2007 at 11:09 AM.

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    Wow, this is a fun mytery. Do you have any assurange that it is military related at all? I mean yes, its got the look, but it might be some sort of flow meter for a milking parlor for all we know!

    Anyhow, I checked out this site:

    The Fleet Type Submarine Online

    Based on the submarine theory and didn't see any obvious matches on the sttering equipment stations. But someone else might have more time -- and its a great site to look at in any case.

    Does anyone else look at the -40 to 40 scale and the 10 to 0 scale and think some sort of main and vernier scales?

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    IP/Mech THE GREAT GAZOO FLYBOYJ's Avatar
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    Great work Olivier!

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    “Archive” Micdrow's Avatar
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    Wow awsome job there Olivier. I could have stared at that all day and never figured it out.

    "Valor does not mean Hero."

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    This photo of a Betty G4M bomber cockpit is from "Japanese aircraft interior 1940-1945" by Robert C.Mikesh
    Page 233
    Cheers,

    Olivier
    Attached Thumbnails Attached Thumbnails Please Help Identify This Instrument-compass-betty.jpg  

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