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Muzzle velocity needs tweaking for infantry weapons
Closed, ResolvedPublic

Description

At the moment, it seems muzzle velocity is only defined by the type of ammo used. I.E. all 6.5mm weapons fire at 800m/s. Barrel lenght is not taken into account at all.

This is a bit sad considering how good bullet physics we have in Arma3. It also means that a short carbine type weapon will be just as good as a designated marksman weapon at long range if fitted with same optics. That is not realistic.

All 5.56 except underwater ammo fires at 930m/s at the moment. To make that happen IRL you will need a fairly long barrel, longer than any of the ingame weapons.

This is how I think it should work:
Muzzle velocity should be defined in weapon config.
Magazine config should have a multiplier that impacts muzzle velocity, normally set to 1.0.

Example of real life muzzle velocitys:
Mk20 (FN2000): 900m/s (not 930 as it is ingame)
Carbine versions (short barrel): Hard to find info on these but it is realistic to take away 5 - 10% from the normal version becouse of short barrel.
TAR-21: 910m/s
CTAR-21: 890m/s

So why is this important to fix?
It gives the gameplay some variety. As the game stands now, every weapon is the same, it's just different graphics and sound effects. Arma tries hard to be authentic but fails when it comes to muzzle velocity.

Details

Legacy ID
2025230791
Severity
None
Resolution
Fixed
Reproducibility
N/A
Category
Config
Steps To Reproduce

Use a script to make a popup that tells you about bullet velocity on impact.

Event Timeline

Brisse edited Steps To Reproduce. (Show Details)Sep 23 2013, 10:38 AM
Brisse edited Additional Information. (Show Details)
Brisse set Category to Config.
Brisse set Reproducibility to N/A.
Brisse set Severity to None.
Brisse set Resolution to Fixed.
Brisse set Legacy ID to 2025230791.May 7 2016, 4:53 PM
Bohemia added a subscriber: zGuba.Sep 23 2013, 10:38 AM
kOepi added a subscriber: kOepi.May 7 2016, 4:53 PM
kOepi added a comment.Sep 23 2013, 4:00 PM

good one. aswell as a weapon has its advantage, so it should have its disadvantages. thumb up.
http://feedback.arma3.com/view.php?id=6147

Brisse added a subscriber: Brisse.May 7 2016, 4:53 PM

Fixed
28-01-2014
EXE rev. 114714

"Set up proper initSpeed parameters for various infantry weapons according to their RL counterparts or through careful approximation. Also performed slight round up adjustment of airFriction for small arms bullets to create greater distinctions between them."