Making Replacement Packing for 37MM Antitank Gun Recoil system article.
https://apps.dtic.mil/dtic/tr/fulltext/u2/a479876.pdf
Hope this helps somebody with a M3 37mm AT gun
Maybe applicable to other recoil systems ?
Making Replacement Packing for 37MM Antitank Gun Recoil article
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- G-Captain
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Making Replacement Packing for 37MM Antitank Gun Recoil article
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MVPA life member since around 1985
MVCC member since 1983
MVCC Life member since around 1985
MVPA member since 1983
MVPA life member since around 1985
- waterdawg2004
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Re: Making Replacement Packing for 37MM Antitank Gun Recoil article
Thanks, will have to put that in my files.
1944 MB Jeep
37mm Gun, Antitank, M3A1 USA
French 25mm SA.L Model 1937
Replica Kubelwagen from VW Thing
37mm Gun, Antitank, M3A1 USA
French 25mm SA.L Model 1937
Replica Kubelwagen from VW Thing
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Re: Making Replacement Packing for 37MM Antitank Gun Recoil article
I had to make a mold and injected polyurethane of the appropriate durometer to make replacement seals for the recoil rod of my 75mm pack howitzer. After a couple attempts and better technique, I was able to get some very good results. Of course the piston seal and the stuffing box seal are not the same size so two molds were needed. The old seal had a flat spot on the perimeter that prevented the seal from working when the hydraulic fluid was pumped up to operating pressure.
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