8 cm M5 case length

[guardianangel]

Hi Forum!
I have some problem about this caliber: Austro-Hungarian 8 cm M5. As you can see in the drawings below the fixed (semifixed) ammunition case lenght is: 284 mm. But you can also see a "8cm M16/Wurf" case with full charge. It is 230 mm long.
My questions is:
In which cases was used the M16/Wurf case?
What kind of shells?
Why they use a shorter case? Why wasn't good the long one?

GA

[guardianangel]

detailes 1

[guardianangel]

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[Stan]

Hello Guardian Angel,

the "Wurf" Case is shorter because it was not delivered as "fixed amunition". The missing length is the length which a shell is fitted into a normal (long) case -> see my image!

The short case was build for high-angle firing, which needs cartridges with seperated charges to adjust the shooting distance. The german word "Wurf" = "throw" in english stands for shooting in a high angle.

I hope you did understand it...