adlake Posted September 21, 2004 Report Share Posted September 21, 2004 Anyone have a machinist drawning of a frame on a 1921-1928 that they can post?-Adlake Link to comment Share on other sites More sharing options...
Bob B Posted September 21, 2004 Report Share Posted September 21, 2004 Here ya go. http://img14.exs.cx/img14/5415/1928TriggerFramesm.jpg Link to comment Share on other sites More sharing options...
adlake Posted September 21, 2004 Author Report Share Posted September 21, 2004 Thank you I been working on a 1927-a1 frame to look like a 1921-1928 frame and need the info for the handgrip. Thank you again Bob-adlake Link to comment Share on other sites More sharing options...
SecondAmend Posted September 21, 2004 Report Share Posted September 21, 2004 Bob B (or other), Would you happen to have a frame blueprint for a Thompson M1 lower? Link to comment Share on other sites More sharing options...
Bob B Posted September 22, 2004 Report Share Posted September 22, 2004 These drawings are marked as being for the M1A1, but there should be no significant difference for the M1 trigger frame housing. Having said that, note that the drawings show provisions for a detachable stock, which as far as I know was never used on the M1A1, and a profile (except for the "stepped" grip mounting) that isn't correct for the M1A1. They may be an early (and inaccurate) revision, or just reworked 1928 drawings. The source of these? Anyone's guess, but the story goes they were "shop drawings" used for reference in wartime production. Maybe someone more knowledgeable about the history of Thompson design and manufacture could help clear this up. Anyone? The image quality is terrible I know, but they ARE readable - sort of. http://img68.exs.cx/img68/4379/thompson_m1a1_blueprints0001.gif http://img68.exs.cx/img68/3024/thompson_m1a1_blueprints0002.gif Link to comment Share on other sites More sharing options...
SecondAmend Posted September 22, 2004 Report Share Posted September 22, 2004 Bob B, Thanks for your effort. Clearly not an M1 print. I figured that someone who thought all Thompsons were the same took an old 28 print, whited out the 1928, and typed in M1A1, and made a second or third generation copy, hence the really poor quality. I wonder how many were sold before somebody figured out the print was totally wrong. Anyone have an actual M1 (or M1A1) frame print? Link to comment Share on other sites More sharing options...
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