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Thread: 6.6 Gallon Oil Tank hatch

  1. #1
    Join Date
    Nov 2007
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    Farlam, Cumbria
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    6.6 Gallon Oil Tank hatch

    This is on a panel with black paint on the outside and is completely devoid of any stamps.

    The access hatch has a dzus fitting and black paint either side with the stencol above.

    The only markings is the possible 13 XXX below the Dzus.

    The primer looks chromate american.

    The hinge is riveted to the panel but spot welded to the hatch.

    So any suggestions of which American built machine flying with the RAF/RCAF had a 6.6 Gallon oil tank ?
    Attached Images Attached Images  
    Kind Regards,

    Brian

  2. #2
    Join Date
    Jan 2005
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    Glorious Souffff
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    That is a very small amount. The hatch shape etc is very similar to a oil tank filler on the B17, but each engine took 37gals.

  3. #3
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    Nov 2007
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    Farlam, Cumbria
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    Tony that was my problem - the size of the tank is not for main engines....
    Kind Regards,

    Brian

  4. #4
    Join Date
    Nov 2007
    Location
    Farlam, Cumbria
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    A little bit of progress. There is an inked part number and inspectors stamp under the grime - but very faded.

    Looks like xxx 16 XXX00-11.

    The inspectors stamp is a circle
    Attached Images Attached Images  
    Kind Regards,

    Brian

  5. #5
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    Nov 2007
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    Farlam, Cumbria
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    top deck of a Harvard ?
    Kind Regards,

    Brian

  6. #6
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    Nov 2007
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    Farlam, Cumbria
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    It has taken a little while to work this one out - methodically going through RCAF aircraft made in USA with small engines.

    The original premise that this was the top deck of a single engined aircraft was shown to be flawed by the lack of dzus fasteners.

    I am now 95% confident in assigning this as the upper port oil tank cover of an RCAF Beech 18 Expeditor.

    The comparison with the Dutch machine ( and others ) shows the correct shape; rivet count and spacing around the edges.

    The early P&W engined machines had a US 8.5 gallon oil tank which is close to the 6.6 imperial gallon markings.

    https://www.ipms.nl/walkarounds/walk...-beech18.html#

    I attach pics of the panel and the close up of the same panel in situ from the IPMS link.

    Only leaves the Canadian foundry piece to be assigned
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    Kind Regards,

    Brian

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