Mosin-Nagant Factory Pressure Test Rifle
https://www.forgottenweapons.com/mosin-nagant-factory-pressure-test-rifle/
http://www.patreon.com/ForgottenWeapons
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How did people determine chamber pressure in the years before computers and fancy electronics? Well, by squishing a calibrated slug of copper. Factories would convert rifles specifically for pressure testing use by adding a pressure ring around the chamber, drilling a hole in it, and then threading in a gage to crush a block of copper. This Mosin Nagant is an excellent example of the system, complete with the all the testing apparatus!
Contact:
Forgotten Weapons
PO Box 87647
Tucson, AZ 85754
Видео Mosin-Nagant Factory Pressure Test Rifle канала Forgotten Weapons
http://www.patreon.com/ForgottenWeapons
Cool Forgotten Weapons merch! http://shop.bbtv.com/collections/forgotten-weapons
How did people determine chamber pressure in the years before computers and fancy electronics? Well, by squishing a calibrated slug of copper. Factories would convert rifles specifically for pressure testing use by adding a pressure ring around the chamber, drilling a hole in it, and then threading in a gage to crush a block of copper. This Mosin Nagant is an excellent example of the system, complete with the all the testing apparatus!
Contact:
Forgotten Weapons
PO Box 87647
Tucson, AZ 85754
Видео Mosin-Nagant Factory Pressure Test Rifle канала Forgotten Weapons
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