Quote:
Originally Posted by hayhugh
To what purpose was this machining done? Surely not to save whatever weight might be accomplished.
So it must have been structural strength?
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No, it had to do with keeping the rear axle pin in place. At full recoil it was exposed and could displace thus jamming the toggle train.
See the link in post 19 for details. They were responding to a Reichsministarium order dated 6/16/1930
John