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Recoil Approximation

Discussion in 'Handloading and Reloading' started by R Merrell, Apr 14, 2013.

  1. R Merrell

    R Merrell New Member

    I'm trying to approximate my felt recoil in my handloads to that of my factory self-defense loads and I have a few questions regarding this endeavor.

    1) How much affect does burn rate have on felt recoil in a 4" 1911, with all other factors being the same? Example: 2 identical cartridges with the exception of powder. One loaded with a fast burning powder, the other with a slow burning powder. Both spitting the bullets out of a 4" gun at the same speed. Will there be a noticeable difference in recoil between the two cartridges from the same gun?

    2) Assuming the difference above is negligible, can I relate different bullet weights and felt recoil by using the momentum equation (Momentum = Mass x Veloctiy)? Example: My self-defense loads are 230 grain HP cruising at 890 fps. The only bullets I can readily find are 200 grain LSWC. I want felt recoil between these two to be the same. So if I multiply 230 grains x 890 fps = 204,700 grain-fps. Then divide this number by 200 grains to get 1,023.5 fps. If I then go about finding a powder to match this speed, will I have approximated the felt recoil for the self-defense load?

    3) How much of an affect will practicing with lighter recoiling loads have when shooting the heavier recoiling self-defense loads ie. Is this exercise a waste of time?

    Thanks for any input.

    Last edited: Apr 14, 2013
  2. rcmodel

    rcmodel Member in memoriam

  3. murf

    murf New Member

    any practice will have positive effect on your shooting. dry-firing and shooting 22lr in a same size and weight pistol to improve ones shooting has been done for years. the k-22, k-32 and k-38 s&w masterpiece revolvers were all made the same size for that purpose.

    a lighter bullet will recoil quicker, all else being equal.

  4. R Merrell

    R Merrell New Member

    That's an awesome calculator.

    Thanks RCModel!

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