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Thread: Capacity of the Small Bomb Container "SBC"

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    Default Capacity of the Small Bomb Container "SBC"

    I would like to confirm the capacity of the Small Bomb Container, SBC. The ORB for dad's a/c KB.762 for February 20/21, 1945 to Dortmund indicates 1500, 4lb incendiaries. Dad's log book records 1X4,000 and 11 SBC's. The two pieces of information would indicate ~136 4lb incendiaries per container. However the caption for this photograph for a similar bomb load (12 SBC's) indicates 236 4lb incendiaries.
    https://commons.wikimedia.org/wiki/F...M_CH_18371.jpg
    The information from the ORB would suggest a 10,000 bomb load and the second load would suggest 15,300 lbs, which seems incorrect to me.

    Thoughts?

    Jim
    Last edited by JDCAVE; 12th October 2020 at 18:51.

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    Default Re: Capacity of the Small Bomb Container "SBC"

    My understanding is that an SBC was around 500lb. The short lived J type 30lb incendiaries were in a cluster of 14 which with the container was also around 500lb

    Mike

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    Default Re: Capacity of the Small Bomb Container "SBC"

    Quote Originally Posted by lancasterlm342 View Post
    My understanding is that an SBC was around 500lb. The short lived J type 30lb incendiaries were in a cluster of 14 which with the container was also around 500lb

    Mike
    Thanks Mike. That's about what I thought. 136 X 4lb, would put the weight at 544lbs. It might have been that the correct load was 12 SBC's at 125 4lb IB's each and a total of 1500 at 6,000 lb total. The Mk 14 aimable cluster bomb was about 470 lb.

    Jim

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    Default Re: Capacity of the Small Bomb Container "SBC"

    Hi Jim.
    Harris' official Dispatch on War Ops refers to SBC's originally holding 90 x 4lb IB's, being replaced in 1943 by SBC's that held 150 x 4lbs (or 12 x 30 lbs).
    Ian

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    Default Re: Capacity of the Small Bomb Container "SBC"

    Posts above relevant to BC ops.

    More than one Mark of SBC, capacity rising by mark, and by type, by aircraft type.

    On early Mark use in Blenheim & Hudson ops see

    Blenheim Armament

    at
    https://webarchive.nla.gov.au/awa/20..._armament.html

    Then [Ctrl F] to The Small Bomb Container (SBC)

    Source: 211 Squadron site: mine. Sources there as referenced there.
    Fact/text errors: mine.
    Last edited by Don Clark; 12th October 2020 at 23:36.
    Toujours ŗ propos

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    Default Re: Capacity of the Small Bomb Container "SBC"

    Thanks Don. Logical that these would be different for Blenheim bombers.

    Thanks Ian. If 150 x 4lbs, with 1500 IBs, that would indicate 10 SBCs, so dadís logbook could be in error.

    https://heritage.canadiana.ca/view/o...2/1083?r=0&s=3

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