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German 75mm tank and anti tank guns.

Discussion in 'Weapons & Technology in WWII' started by TiredOldSoldier, Dec 7, 2008.

  1. aglooka

    aglooka Member

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    BWilson, thank you, saved a lot of research work :)
    For a comparision with the Sherman the PzGr is listed as having a muzzle velocity of 570 m/s. I don't know wether that is the HEAT or the old Polish AP grenade.

    Aglooka
     
  2. paratrooper506

    paratrooper506 Member

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    yeah but the one you forgot is the flak 88 not only can it be used in anti aircraft and artillery rolls but also anti tank rolls those guns can kill a sherman in one shot
     
  3. BWilson

    BWilson Member

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    You're welcome, aglooka.

    The data is from Hogg's German Artillery of World War Two.

    Cheers

    BW
     
  4. razin

    razin Member

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    In addition, the 7.5Gr Patr 97/38 H1/B was a standard FK38 shell (feldkanone 38) designated 7.5cm Gr.Patr H1/B the only change being the copper driving band used in place of a soft iron band for compatability with the French rifling.
    Both had about the same muzzle velocity 440m/s for the FK38 and 450m/s the Pak 97 but the FK38 had far greater range 7600m as opposed to 2100m for the Pak gun due to its configuration- but it was a paper advantage, the chances of a hit was limited to a maximum of 2000m ie direct fire.

    The Cartridge was marked only 75 and seems to be the sole marking, there was no design designation.

    ~steve
     
  5. BWilson

    BWilson Member

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    Steve,

    Any idea on the penetration ? I'm guessing 7 to 8 centimeters @ 90° ?

    2,000 meters? Wow, the chance of hit had to be pretty small at that range considering it was a hollow-charge round.

    Cheers

    BW
     
  6. paratrooper506

    paratrooper506 Member

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    hmmm thats seems a little wierd in a way but then again not It is not anything major so it,s not a big problem
     
  7. razin

    razin Member

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    BW
    BW I haven't got an exact figure to hand (no doubt I find it when I'm looking for something else) 70mm is most likely as the 105mm was about 100mm at 90°. Working on the simple design of the contemporary hollow charge the petetration is generally about the same as the shell diameter assuming a vertical strike. So a 105mm at 60° would do 70mm and therefore the 75mm would manage about 50mm at 60°.

    The reason I said 2000m max was that the FK18 was capable of about 1500m (limit set on reticule) the official figure (sight reticule) is 1900m for the Pak97. The max. on the Fk38 is 7700m in indirect fire. In addition the muzzle velocity of 440/450mps was not much less than the standard projectile velocity of 580/570mps.

    I simplified the max. to about 2000m as that would be the absolute maximum, direct fire bright sunny day, on a well presented target by a gunner with +6/6 vision and fresh ammunition. In reality I would agree with you it would be small. A more realistic figure would perhaps be about 500 to 1000m. What I really wanted to avoid is giving the impression that the FK guns could lob a H1/B onto a tank target at 7700m!- unfortunately the demented will regard this as a norm and add it to the "super waffe" category.

    regards

    Steve
     
  8. razin

    razin Member

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    BW
    BW I haven't got an exact figure to hand (no doubt I find it when I'm looking for something else) 70mm is most likely as the 105mm was about 100mm at 90°. Working on the simple design of the contemporary hollow charge the petetration is generally about the same as the shell diameter assuming a vertical strike. So a 105mm at 60° would do 70mm and therefore the 75mm would manage about 50mm at 60°.

    The reason I said 2000m max was that the FK18 was capable of about 1500m (limit set on reticule) the official figure (sight reticule) is 1900m for the Pak97. The max. on the Fk38 is 7700m in indirect fire. In addition the muzzle velocity of 440/450mps was not much less than the standard projectile velocity of 580/570mps.

    I simplified the max. to about 2000m as that would be the absolute maximum, direct fire bright sunny day, on a well presented target by a gunner with +6/6 vision and fresh ammunition. In reality I would agree with you it would be small. A more realistic figure would perhaps be about 500 to 1000m. What I really wanted to avoid is giving the impression that the FK guns could lob a H1/B onto a tank target at 7700m!- unfortunately the demented will regard this as a norm and add it to the "super waffe" category.

    regards

    Steve
     
  9. BWilson

    BWilson Member

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    >unfortunately the demented will regard this as a norm and add it to the "super waffe" category

    LOL. Yeah, no shortage of "super waffe" cheerleaders on the internet.

    Cheers

    BW
     
  10. aglooka

    aglooka Member

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    razin likes this.
  11. razin

    razin Member

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    aglooka

    Thanks for the input, I should have looked on the web rather than books in this case, The Finnish web site is generally quite accurate so I am quite happy to take it on face value, the figure probably refers to the later H1/C HEAT shell. The Germans did quite a bit of work on the HEAT warhead I was of the opinion it was to reduce the size of charge and help overcome the inherant problem of the spinning shell, but obviously they got more bang for their buck, so to speak!

    The same shell was also used in the L/24 short tank guns fitted to late Pz III early PzIV, Sdkfz251 and the 8 wheeled armoured cars to give them improved A/T performance.

    ~Steve
     

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