AZ 47 44 2cm

[Grenademan2005]

Hi:
Please I need info on what this fuze was used.

 

[Grenademan2005]

Nobody know it?..... :hmmmm:

 

[pzgr40]

I'll take a look in my papers when I am home tonight. However for as far as I know it was used on 2 cm Solothurm Flak shells.
Regards , DJH

 

[Grenademan2005]

Hi:
Here is a list of all the fuzes I have on my 2cm Flak:
-AZ 5045 1939
-AZ 5045 1940
-Kpf. Z.45 1941
-Kpf. Z.45 1942
-Kpf. Z.45 1943
-Kpf. Z.Zerl.Fg 1943 Marine
-AZ 1504a 1944
-AZ 49 1504 1944
-AZ 48 1944
Also Id like to know what the hell is this round. The shorter one.

 

[pzgr40]

Hi Miguel, the AZ1504 was used only on Mg 152/20 or 20 mm Oerlikon short (both 20x81mm) cartridges.
The one projectile you show has an overall same length as all HE shells for the 20x139 Solothurm, exept the Kopfz. Zerl Fg was used on projectiles WHITOUT a tracer. Normal fuzes dit not have a mechanical Fg Self destruct mechanism , so they relied on a tracer self destruct.
Regards , DJH

 

[Grenademan2005]

Then the shorter shell is an Oerlikon shell?

 

[pzgr40]

No, the shorter one (if it has no tracer) has to be fuzed with the Kpz. Zerl. Fg. For the AZ1504 you need a 20x81 HE projectile.

 

[Grenademan2005]

I dont understand. For me the "shorter" one is this.

 

[pzgr40]

I'll place a picture tonigt to make it more clear.
regards DJH

 

[Caracal]

Hello

as Pzgr40 said, your AZ 1504 is for 2cm MG 151/20 rounds, like this one:

 

[pzgr40]

Hi Miguel, here you are. You can clearly see the difference between the length of the tracer SD shells and the cartridges where the fuze has a mechanical SD device; a drawing of the disc is added, they are placed at in the fuze at the green arrows. So, the short projectile needs the Kpfz Zerl FG, the longer ones the AZ 47. It enshures the total length of the cartridges remains the same overall for all types of German HE.
All fuzes from the scanned in "2cm fuzes" drawing are for the longer projectile Solothurm shells.
The top one is the MG151/20 with the AZ 1504. As you can see, the body of this fuze protrudes much deeper in the projectile body as the fuzes used on the Solothurm projectiles.
Regards DJH



Ps: the three duplex detonators not cut in this picture are -by meself- machined solid DUMMY's (before my mailbox starts filling up)

 

[Grenademan2005]

Ok, then the fuze is not right to that short HE shell, BUT that short shell is a 2cm Flak shell? Or a 151/20 shell?

 

[pzgr40]

The short cartridge in top of the picture is the 20x81G MG151/20, the four below it are 20x139B Solothurm cartridges.
Regards DJH

 

[Grenademan2005]

AARRGGGHHHHHH, I want id on MY shell :tinysmile_cry_t3:. Now I have learned about 1504 fuzes, but still have no clear what is that shell. :frown: MY shell.

 

[pzgr40]

It is also a 2 cm Flak shell:tinysmile_cry_t2:....... it belongs on the 20x139 B shellcase. It must be fuzed with the Kpfz. Zerl. Fg fuze. YOUR projectile is one of the types with the green arrow on the fuze, presumably the one without tracer (3rd from below).
Regards DJH

 

[Grenademan2005]

it belongs on the 20x139 B shellcase. B? Is there another type of Flak case?

 

[pzgr40]

B means belted, it is the thicker part on the lower part of the shellcase. And No , there is only one type of shellcase.
Regards DJH

 

[Grenademan2005]

Ok, then the 2cm Flak cases are always the same case, except on the top, with crimped and not crimped tops. Crimped for early rounds and flat for war shells. Right?
I have never seen before a shorter shell for 2cm Flak. Are they rare?

 

[pzgr40]

Most often the brass shellcases were crimped, as this material is more ductile. I think one simply preferred to press projectiles in steel cases as this gave less problems with shellcase mouths breaking near the crimp with steel cases, causing weapon malfunction. However crimped and pressed can be found in brass and steel
There will be some experimental 20x139 shellcases without a doubt, but they have never been put into use. And they are without question very rare.
Regards, DJH

 

[Grenademan2005]

Im very surprised that only you have answered to my questions, if this have been a question about a grenade the thread would be full with different members posts. Is the 2cm Flak a very specialized collecting field?