the shown torpedoes belong to the forerunner model of the G7a-Torpedo. I assume there are G 7v or G 7v* torpedoes. These torpedo types were in the use at the German Navy on the “pocket battle ship” DEUTSCHLAND (1935 change to 21' torpedoes), on the light cruisers (EMDEN, K-class cruisers and LEIPZIG up to 1934, then 21' torpedoes), on the old, formerly imperial torpedo boats and the training ships SCHLESIEN and SCHLESWIG-HOLSTEIN.
Here the main measures:
Diameter: 500 mm
Length: 7084 mm
Total weight: 1360 kg (G 7v) or 1345 kg (G 7v*),
Explosive charge: 240 kg (G 7v) or 280 kg (G7v*) of SW18,
Maximum range: 11,500 m/28.5 kts (G 7v) or 12,000 m/28.5 kts (G 7v*)
Range at maximum speed: 5500 m/40 kts