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Thread: Vickers Wellingtons & 4000lb bomb

  1. #1
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    Default Vickers Wellingtons & 4000lb bomb

    Hi,

    I am aware that the Mk.II Wellington varient was capable of carrying the 4000lb 'Cookie' circa mid / late 1941. I am also aware that a number of Mk.Ic's were modified, No.218 squadron had a few.

    I am trying to determine if the Mk.Ic modification was carried out on the squadron or when in production. Lastly, is there any lists of Mk.Ic's thus modified?

    TIA

    Steve
    No.218 (Gold Coast) Squadron Association Historian
    No.623 squadron Research

    ~~IN TIME ~~

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    Hi Steve

    Short answer is I don't know but this was the "Type 423" variant and my guess is that it would've therefore been done on the production line. The Haynes Manual on the Vickers Wellington (!) mentions the Type 423 variant a few times but it isn't absolutely clear where that was carried out. It sounds like it was done to selected a/c in production.

    From looking at and taking pics of the Brooklands Wellington some years ago, some of the internal dividers running the length of the bomb bay would've had to be removed to allow a 4,000-pounder to fit in.

    This may of course be completely wrong! …

    As you probably know, 214 Sqn, like 218, had a number of these "Type 423"s as well. I'm not aware of any official list of them.

    Cheers

    Ian
    Last edited by ianh; 4th February 2019 at 18:40.

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    Ian Is right. Some of the Aircraft movement cards have a notation saying which type it was. Nothing on the older Wellingtons. Going through the 6 Group type 423, they carried this bomb only, never anything else including sea mines. Apparently there were some plywood fairings put into the bomb bay area to smooth out airflow.
    Hope this helps.

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    Hi Steve,

    Wellington II W5389 selected for first conversion.
    " the normal bomb beams and the intermediate bomb doors were removed, and special vertical members were inserted in the centre-section spar bracing, with fittings on the forward frame to suit suspension of the 4000 ib bomb"
    Source Putnam Vickers Aircraft p 330.
    Approved by MAP for use in March 1941 in "Wellington Ic , II and later marks".
    but then it says
    "The installation............was incorporated as a modification on existing variants, and added to later marks as required"
    To me that would imply later installations were added on the line, but then, I'm not a lawyer!
    regards Peter
    Last edited by PeterColwill; 5th February 2019 at 10:50.

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    405 Squadron had the following Wellington II capable of carrying the 4,000 lb cookie.
    Z-8375, Z-8431, Z-8437, Z-8521, Z-8527, Z-8577 and Z-8585.

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    Gents,

    Thank you for your comments.

    Richard, Z-8375, Z-8431, Z-8437, were transfered onto No.405 via No.218.

    Z8375 - 405 27.12.1941
    Z8431 - 405 27.12.1941
    Z8437 - 405 27.12.1941

    Regards

    Steve
    No.218 (Gold Coast) Squadron Association Historian
    No.623 squadron Research

    ~~IN TIME ~~

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