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  1. #21
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    Akon Hi!
    Thanks a lot! This is really great informative data.
    Am I correct in identifying the following bombs as (from left to right) 50 kg vz. 34, 100 kg vz. 34 and 200 kg vz. 34
    Have you more details on these bombs?


    obr.jpg 50 kg (1).jpg100 kg.gif200 kg (1).jpg

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  3. #22
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    Hi Dreamk
    Yes, you have the kg/,,vzor,, okay
    For interest, where do you get these cutouts of the drawings?

  4. #23
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    Hi Akon

    I found these pictures in a Czech military modelling forum: https://www.modelforum.cz/viewtopic.php?f=310&t=57385.
    They appeared also (but in quite bad quality) in a Czech/English booklet on Letov (or Avia?) airplanes (I have not these books underhand to check) and the legend attributed their origin to the "S. Mikolas collection"

    Would you have more details on these bombs: real weight, nature and weight of explosive, fuse delays?

    And details and picture of the 500kg bomb in this series (only a handful were produced)
    Last edited by Dreamk; 19th October 2021 at 07:22 PM.

  5. #24
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    I assess that these are 10kg vz.37 (the reinforcing struts between the fins of the 20kg vz. 34 were wider and had a middle inverted ridge for reinforcement) and but their fuze looks somehow strange - Akon what do you think?
    h0889.jpg

  6. #25
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    foto :
    These are museum unsuitable dummies that produced a photograph of a suspended plane for visitors. I have met several such traps in various quality and design. We also have bombs under the plane in the military museum and they are very bad dummies. Therefore, you have no problem with identification. ,,10kg tříštivá puma vz.37,, never existed in that be sure. There are a lot of details that do not match. But the first aluminum body of the hood was never .... and the same fuse was never aluminum. The shape of the hood and the strip is also fiction ...
    Akon
    PS : I will describe the others later. to bombs vz.34 in the next situation around 500 kg of bombs will be described later.
    Last edited by AKON_; 20th October 2021 at 04:41 PM.

  7. #26
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    Hi Dreamk,
    Basic data:

    10 kg fragmentation air bomb vz.34
    Total weight: 11.7kg
    Explosive weight: 1.7kg ,
    Fuse vz.34 Delay: 0; 0.4s
    Suspension: H / V
    Stabilization: 170mm
    ------------------------------------------
    20 kg fragmentation air bomb vz.34
    Total weight: 23.4kg
    Explosive weight: 4.2 kg
    Fuse vz.34 Delay: 0;
    Suspension: H / V
    Stabilization: 170mm
    ------------------------------------------
    50 kg fragmentation air bombs vz.34
    Total weight: 53kg
    Explosive weight: 15.25kg
    Fuse vz.34
    Delay: 0; 0.4s
    Suspension: H / V
    Stabilization: 357mm
    -----------------------------------------
    100 kg fragmentation air bomb vz.34
    Total weight: 98kg
    Explosive weight: 38.5kg
    Fuse: vz.34
    Delay: 0; 0.4s.
    Suspension: H / V
    Stabilization: 357mm
    --------------------------------------------
    200kg fragmentation air bomb vz.34
    Total weight: 200kg
    Explosive weight: 80.8kg
    Fuse: vz.34
    Delay: 0.4s
    Suspension: H / V
    Stabilization 463mm
    -------------------------------------------
    H-Horizontal , V-.Vertical
    Akon
    PS: 500 kg later there will be another text later.
    Last edited by AKON_; 22nd October 2021 at 09:19 PM.

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  9. #27
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    Thanks a lot Akon ! very informative and detailed data. Much appreciated.

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  11. #29
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    Yes, this is the drawing from the D. Mikolas collection I spoke in former post - I think it was published in a 2 volumes books on the Letov S-328 published by Jakab editions some years ago but I am not sure of this.

    Akon, did you succeed to get details on the 500 kg bomb vz.34? was is of similar shape to the 200 kg vz.34?

    There were former, earlier 200kg and 500kg bombs in Czech service. Do you know whether these former bombs were also of Czech design or were they imported from France as part of the MB-200 deal? (I understand that until the introduction of the B-71 bomber in Czech air force, the MB200 was the only aircraft available able to take 500kg bombs)

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  13. #30
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    The whole problem is that the author did not cite exactly the sources or the title of the monograph from which he drew drawings, descriptions, etc. ... this is a tradition here in the Czechoslovak Republic

    500 kg bombs vz.34 never existed and the reasons: the army tested the effectiveness of bombs and found that it is not reasonable to waste bombs and buy expensive bombers capable of holding a reasonable number of heavy bombs. In addition, it had its own solution in the sense that the bombs allowed connection to the bottom of each other, ie especially for 50 kg of bombs.34 and thus the weight of the explosive falling into one place multiplied twice. Furthermore, for better placement of bombs, the variant "inner cell" was chosen and the placement of bombs in the fuselage perpendicular (at 10, 20 kg). bombs in the fuselage had better aircraft range and it was possible, among other things, to control the unlocking of the fuse.
    For experiments with 500kg bombs, they had one type of Foker ... which was adapted for this purpose(At a time when the aviation industry was not at the required technical level ... then it was not current to deal with Fokr
    Bombs made in France :
    The bombs were of Czech construction, They bought the planes without bombs, of course.

    -----
    The General Staff counted on the air assistance of France in the invasion of Czechoslovakia, and for this purpose were prepared airports, ground supplies, ammunition, including bombs for French aicraft machines. The event was called by the code name "Units F". It was planned to adapt the Czech bombs to cells of the French type, D ,, mle 1923 .. and for that there was communication with the French side and a lot of paperwork for that ...
    Akon

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