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  1. #1
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    12,8cm Sprengranatpatrone (Sprgr.Patr. / HE shell) L/4,5

    Cutaway model of a 12,8cm Sprengranatpatrone (Sprgr.Patr. / HE shell) L/4,5 as used in the 12,8cm Flak 40 gun. This was the heaviest Flak gun in use with the Luftwaffe. As the gun was too heavy (18.000 kg) to be mobile, it was used either on a train carriage, either in a fixed position. Only a few of these guns were made road-mobile by means of the “sonderanhanger 220”. In fixed position, it was mostly used in a dual mount (Flakzwilling) on flaktowers which protected the larger German city’s like Berlin, Hamburg and Vienna.
    As loading these projectiles was a very heavy work it was automated. The loader placed the shell in the tray beside the gun’s breech. On top of this tray the fuze setting machine sets the running time of the fuze after which the shell is automaticly loaded into the gun.

    Length of complete cartridge : 1487 mm
    Length of shellcase : 962 mm
    Weight of complete cartridge : 48 kg
    Weight of projectile : 26 kg
    Weight of explosive charge : 3,7 kg of cast FP02 (pure TNT), either 3,7 kg cast FP 60/40 (60% TNT, 40% ammonium nitrate)
    Weight of powdercharge : A main charge of 10, 0 kg Digl. R.P. –K2- (850x ø5,1 x ø1,7) either 9,50 kg of Digl. R.p. –KN- (850x ø5,6 x ø2,0), with a booster charge of 200 grams Diglicol Blade powder (3x3 mm square x0,8mm thick) and an ignition charge of 20 grams Nz.Man.N.P. rifle powder (1,5x1,5mm square x0,5 mm thick )
    Ceiling of projectile : 14.800 mtrs
    Range of projectile : 20.900 mtrs
    Vo: 880 mtrs/second
    Suitable fuzes : ZtZ.S30, Zt.Z.S30 Fg, AZ.23/28
    Firing rate : 12rpm
    Number of guns produced : 1125
    Regards , DJH

  2. The Following 18 Users Say Thank You to pzgr40 For This Useful Post:

    Andysarmoury (10th January 2019), Bellifortis (11th January 2019), Big Dave (10th January 2019), BMG50 (10th January 2019), Darren (11th January 2019), DICKAREN (10th January 2019), Fusse2004 (10th January 2019), gerbenvh (29th January 2019), greif (10th January 2019), Grzesio (14th January 2019), HAZORD (10th January 2019), Joerg (10th January 2019), Lostround (10th January 2019), Nabob (10th January 2019), SG500 (10th January 2019), sgdbdr (10th January 2019), Sprockets (14th January 2019), tnor_fr (11th January 2019)

  3. #2
    Ordnance Approved
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    Excelent cut, perfect job as always.
    I think that You are missing the ZtZ S/45 and ZtZ S/45L in the fuze listing.
    Bob
    any live or recovered ordnance shown in my posts was dealt with by trained EOD personnel

  4. #3
    Premium Member
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    26 kg projectile, equivalent weight of a 25 kg bag of cement, a fair old lump to fire up at speed 20,000 metres. Are these a rare round to come across.

  5. #4
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    @ Bob, they are very rare fuzes I do not have in my collection

    @ BMG50; There was one offered here on a UK site:
    https://www.akm-militaria.com/produc...lak-he-round-1
    and there was a projectile offered on E-gun not too long ago, as well as a seperate brass 12,8cm shellcase.
    However, they do not come cheap. I 'earned' mine by making a second for a good friend and fellow collector

    Regards, DJH
    Attached Images Attached Images
    Last edited by pzgr40; 13th January 2019 at 10:50 AM.

  6. The Following User Says Thank You to pzgr40 For This Useful Post:

    Darren (13th January 2019)

  7. #5
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    That looks absolutely beautiful DJH! amazing work

  8. The Following User Says Thank You to gerbenvh For This Useful Post:

    pzgr40 (13th January 2019)

 

 

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