psi

  1. R

    Wall thickness, pressure and steel

    Hello. I’ve seen old black powder revolvers with very thin cylinder wall thickness, like these cylinders for example: and this pepperbox has also resonable thin walls: Back in the days the quality of steel was inferior, so it got me to wounder about the steels of today. What’s the minimum...
    • Revolver.45
    • Thread
    • barrel chamber minimum wall thickness pressure psi steel wall thickness
    • Replies: 1
    • Forum: Blackpowder
  2. D

    Pressure Measurements, and CUP vs. PSI

    There have been some discussions here about pressure measurement and the question of whether PSI and CUP are correlated. For those who are interested, some of my findings on the topic are attached. Yes, PSI and CUP are correlated.
    • denton
    • Thread
    • case head expansion convert copper crusher cup measure piezo piezoelectric psi strain gauge
    • Replies: 1
    • Forum: Handloading and Reloading
  3. 243winxb

    One of the Worlds Most Powerful Revolvers get Lift From Aerospace Alloys

    I found this interesting as to what alloys are used. https://www.cartech.com/en/alloy-techzone/technical-information/success-stories/one-of-the-worlds-most-powerful-revolvers-get-lift-from-aerospace-alloys There is a lot more at link. This is just part of it. Ruger's goal was to develop the...
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