Ballistics - 7.62x54R muzzle velocity correction (#5711)

* Closes: https://github.com/acemod/ACE3/pull/5470
* Reference: https://github.com/acemod/ACE3/files/1272583/mousin.barrel.experiment.pdf
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ulteq 2017-10-31 10:58:12 +01:00 committed by GitHub
parent 8397e1cf4a
commit 25344deb80
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6 changed files with 25 additions and 24 deletions

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@ -54,7 +54,7 @@ if (_resetGunList) then {
[".300WM Mk248 Mod1" , 839, 100, 0.0841417, -0.00063027, 7.37, 0, 2, 10, 120, 0, 0, 14.26, 7.80, 25.40, 0.619, 1, "ICAO", [[-15,820],[0,827],[10,834],[15,839],[25,853],[30,862],[35,873]] , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
[".300WM Berger OTM" , 792, 100, 0.0891300, -0.00055262, 7.37, 0, 2, 10, 120, 0, 0, 14.90, 7.80, 25.40, 0.715, 1, "ICAO", [[-15,773],[0,780],[10,787],[15,792],[25,806],[30,815],[35,826]] , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
["7.62x54mmR" , 812, 100, 0.0868171, -0.00102329, 7.11, 0, 2, 10, 120, 0, 0, 9.849, 7.92, 24.13, 0.400, 1, "ICAO", [[-15,793],[0,800],[10,807],[15,812],[25,826],[30,835],[35,846]] , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
["7.62x54mmR" , 828, 100, 0.0853677, -0.00103739, 7.11, 0, 2, 10, 120, 0, 0, 9.849, 7.92, 24.13, 0.400, 1, "ICAO", [[-15,809],[0,816],[10,823],[15,828],[25,842],[30,851],[35,862]] , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
["7.62x51mm M80" , 802, 100, 0.0909184, -0.00103711, 7.62, 0, 2, 10, 120, 0, 0, 9.461, 7.82, 25.40, 0.398, 1, "ICAO", [[-15,783],[0,790],[10,797],[15,802],[25,816],[30,825],[35,836]] , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],
["7.62x51mm M118LR" , 757, 100, 0.0958841, -0.00085157, 7.62, 0, 2, 10, 120, 0, 0, 11.34, 7.82, 25.40, 0.482, 1, "ICAO", [[-15,738],[0,745],[10,752],[15,757],[25,771],[30,780],[35,791]] , [[0,0],[0,0],[0,0],[0,0],[0,0],[0,0],[0,0]], true],

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@ -298,7 +298,8 @@ class CfgAmmo {
ACE_barrelLengths[]={508.0, 609.6, 660.4};
};
class B_762x54_Ball: B_762x51_Ball {
airFriction=-0.00102329;
airFriction=-0.00101071;
typicalSpeed=835;
ACE_caliber=7.925;
ACE_bulletLength=28.956;
ACE_bulletMass=9.8496;
@ -307,12 +308,12 @@ class CfgAmmo {
ACE_velocityBoundaries[]={};
ACE_standardAtmosphere="ICAO";
ACE_dragModel=1;
ACE_muzzleVelocities[]={700, 800, 820, 833};
ACE_barrelLengths[]={406.4, 508.0, 609.6, 660.4};
ACE_muzzleVelocities[]={760, 795, 835, 865};
ACE_barrelLengths[]={406.4, 508.0, 604.5, 736.6};
};
class B_762x54_Tracer_Green;
class ACE_762x54_Ball_7T2 : B_762x54_Tracer_Green {
airFriction=-0.00106104;
airFriction=-0.00103739;
typicalSpeed=800;
tracerStartTime=0.073; // Based on the 7T2 which burns three seconds
tracerEndTime=3;
@ -324,8 +325,8 @@ class CfgAmmo {
ACE_velocityBoundaries[]={};
ACE_standardAtmosphere="ICAO";
ACE_dragModel=1;
ACE_muzzleVelocities[]={680, 750, 798, 800};
ACE_barrelLengths[]={406.4, 508.0, 609.6, 660.4};
ACE_muzzleVelocities[]={735, 770, 809, 838};
ACE_barrelLengths[]={406.4, 508.0, 604.5, 736.6};
};
class B_762x39_Ball_F : BulletBase {
airFriction=-0.00154815;

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@ -381,7 +381,7 @@ class CfgMagazines {
};
class 10Rnd_762x54_Mag: 10Rnd_762x51_Mag {
initSpeed = 800;
initSpeed = 836;
};
class ACE_10Rnd_762x54_Tracer_mag: 10Rnd_762x54_Mag {
author = ECSTRING(common,ACETeam);
@ -389,12 +389,12 @@ class CfgMagazines {
displayName = CSTRING(10Rnd_762x54_Tracer_mag_Name);
displayNameShort = CSTRING(10Rnd_762x54_Tracer_mag_NameShort);
descriptionShort = CSTRING(10Rnd_762x54_Tracer_mag_Description);
initSpeed = 800;
initSpeed = 809;
tracersEvery = 1;
};
class 150Rnd_762x54_Box: 150Rnd_762x51_Box {
initSpeed = 750;
initSpeed = 836;
};
class 150Rnd_93x64_Mag: CA_Magazine {

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@ -202,7 +202,7 @@ class CfgWeapons {
// Negev NG7
class LMG_Zafir_F: Rifle_Long_Base_F {
initSpeed = -1.00333;
initSpeed = -0.931071;
ACE_barrelTwist = 304.8;
ACE_barrelLength = 459.74;
};
@ -563,7 +563,7 @@ class CfgWeapons {
"10Rnd_762x54_Mag",
"ACE_10Rnd_762x54_Tracer_mag"
};
initSpeed = -1.025;
initSpeed = -1.00019;
ACE_barrelTwist = 241.3;
ACE_barrelLength = 609.6;
};

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@ -161,11 +161,11 @@ Optimal airFriction: 0.00055262
##########################################
Ammo Class: B_762x54_Ball
MaxRanges (m): [500, 800, 800]
MuzzleVelocities (m/s): [700, 820, 833]
Max. Velocity diff (m/s): 13.84
Max. Drop diff (cm): 5.42
Max. Tof diff (ms): 12.5
Optimal airFriction: 0.00102329
MuzzleVelocities (m/s): [760, 835, 865]
Max. Velocity diff (m/s): 13.37
Max. Drop diff (cm): 5.71
Max. Tof diff (ms): 16.5
Optimal airFriction: 0.00101071
##########################################
Ammo Class: ACE_762x35_Ball
MaxRanges (m): [400, 500]
@ -185,11 +185,11 @@ Optimal airFriction: 0.00154815
##########################################
Ammo Class: ACE_762x54_Ball_7T2
MaxRanges (m): [500, 800, 800]
MuzzleVelocities (m/s): [680, 750, 800]
Max. Velocity diff (m/s): 9.37
Max. Drop diff (cm): 7.72
Max. Tof diff (ms): 9.5
Optimal airFriction: 0.00106104
MuzzleVelocities (m/s): [735, 809, 838]
Max. Velocity diff (m/s): 12.14
Max. Drop diff (cm): 5.82
Max. Tof diff (ms): 14.5
Optimal airFriction: 0.00103739
##########################################
Ammo Class: ACE_303_Ball
MaxRanges (m): [900, 1000]

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@ -481,10 +481,10 @@ ammoList = [["B_556x45_Ball", [300, 500, 500], [750, 870, 910], 7, 0.151],
["ACE_762x67_Ball_Mk248_Mod_0", [800, 900, 900], [865, 900, 924], 7, 0.268],
["ACE_762x67_Ball_Mk248_Mod_1", [800, 900, 900], [847, 867, 877], 7, 0.310],
["ACE_762x67_Ball_Berger_Hybrid_OTM", [900, 1000, 1000], [800, 853, 884], 7, 0.358],
["B_762x54_Ball", [500, 800, 800], [700, 820, 833], 1, 0.4],
["B_762x54_Ball", [500, 800, 800], [760, 835, 865], 1, 0.4],
["ACE_762x35_Ball", [400, 500], [620, 675], 1, 0.330],
["ACE_762x39_Ball", [400, 600], [650, 750], 1, 0.275],
["ACE_762x54_Ball_7T2", [500, 800, 800], [680, 750, 800], 1, 0.395],
["ACE_762x54_Ball_7T2", [500, 800, 800], [735, 809, 838], 1, 0.395],
["ACE_303_Ball", [900, 1000], [748, 765], 1, 0.493],
["B_93x64_Ball", [900, 1000], [850, 880], 1, 0.368],
["B_408_Ball", [1600,1600], [862, 872], 7, 0.434],