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- -------------------------------------------------------------------------------
- WARNING: Table produced by not verified Ballistics Calculations! Check results
- always against loading data of current reloading manuals! Input data and results
- may be invalid or wrong! The use of this data for loading ammunition can cause,
- directly or indirectly, serious injury to personnel and material. No responsibi-
- lity is implied and THE USER MUST ASSUME THE ENTIRE RISK OF USING THE DATA.
- QuickLOAD© V.3.6 Interior BallisticsV.3.6 #532889
- © Copyright 1987-2011 - H.Broemel, Babenhausen, Germany
- -------------------------------------------------------------------------------
- Case capacity and propellant properties may vary considerably from lot to lot!
- **** Input data: Date: 28-Jan-2020 Time: 12:30:53
- Cartridge................. = .300 AAC Blackout
- Projectile type........... = .308, 165, Hornady GMX 30470 with boattail
- Max.avg.pressure(Piezo )= 50763 psi Shot start / init pressure = 3771 psi
- Projectile weight (gr)= 165 Groove caliber (in)= 0.308
- Length of cartridge (in)= 2.250 Length of case (in)= 1.368
- Case capacity(Grains Water)= 25.10 Length of projectile (in)= 1.370
- Length of barrel (in)= 24.000
- **** Values calculated:
- Seating depth (in)= 0.488 Volume displaced (gn H2O)= 8.43
- Comb.chamber volume(gn H2O)= 16.67 Projectile travel (in)= 23.120
- **** Input data:
- Propellant type........... = Accurate 5744
- Charge weight..........(gr)= 14.4 Load density......(g/cu.cm)= 0.861
- Heat of Explosion (cal/lb)= 510609 Ratio of spec. heats cp/cv = 1.211
- Solid density (gr/cu.in)= 397.0 Weighting factor...........= 0.6
- Burning rate factor Ba(1/s)= 1.11 Pro-/degressivity factor a = -0.175
- Burning limit ......... z1 = 0.1 Combust.Chamber Vb(ft³)= 3.822812E-5
- Factor.................. b = 1.054 X-S.Area of Bore A(ft²)= 5.118407E-4
- Bulk density (gr/cu.in)= 222.5 Projectile mass mp (lb)= 2.357143E-2
- Loading ratio (%)= 97.9 Projectile travel x(ft)= 1.926673E+0
- **** Results calculated:
- Maximum pressure ........ = 50522 psi Way of projectile at Pmax = 0.38 in
- Muzzle velocity ......Ve = 1892 fps Muzzle pressure .......Pe = 2440 psi
- Project. energy at muzzle = 1312 ft.lbs Fraction of powder burnt = 96.7 %
- Projectile travel time from 10% Pmax to muzzle = 1.42 ms
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