Esa Muikku wrote:Igor, That's a very good question.
And what about the answer?
Esa Muikku wrote:Can you point out if any other Soviet modifications were done for the 09-37 than the extended chamber? Something in the carriage or the elevation/traverse mechanisms?
According to the 122mm howitzer M1909/37 manual it has the following design features, which differs it from the previous model. We will study them step by step. So, let's start.
1. The chamber has extended length and its volume adjusted to the size of the 122mm howitzer M1910/30 chamber. To distinguish, externally absolutely identical barrels of these two type howitzers (M1909 and M1909/37), the upgraded howitzers have special markings УДЛИНЕННАЯ КАМОРА (elongate chamber) on the upper part of the barrel casing and on the breech.
Crop of the photo by Dmitry Derevyankin
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