Ballistics

Q: What kind of theoretical performance potential can I see with a 35 Whelen round?

A: You can potentially obtain a point blank range of 300 yards while still retaining a ton of energy at 300 yards from firing a theoretical round in a simulated rifle. Here is how.

    1. Get load data to push a 250 grain bullet at a velocity of 2,500 fps from www.reloadammo.com.
    2. Get Ballistic Coefficient for 35 cal Spitzer Soft Point 250 grain bullet from www.speer-bullets.com.
    3. Input data into JBM ballistics point blank range calculator .
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Point Blank Range Output

Input Data
 Muzzle Velocity:         2500.0                    ft/sec
 Bullet Weight:           250                       grains
 Ballistic Coefficient:   0.446
 Drag Function:           G1
 Sight Height:            1.500                     inches
 Vital Zone Radius:       5.000                     inches
 Temperature:             59.6                      F
 Barometric Pressure:     29.92                     in Hg
 Relative Humidity:       0.0                       %
 Altitude:                0                         feet
 Air Density:             100                       % of Sea  Level

Calculated Data
 Maximum Point Blank Range:              303          yards
 Maximum Point Blank Range Zero:         256          yards
 Muzzle Energy:                          3469.3       ft-lbs
 Energy at Maximum Point Blank Range:    2087.9       ft-lbs
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