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Lukegotjellyfihs

KhanTheMad Arma 3 Armour response

Mar 24th, 2023 (edited)
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  1. @KhanTheMad Unfortunately this mod is my way of getting a good estimate for RHA equiv protection on components in Arma vehicles. There isn't any way without getting the source files for RHS to be able to get the exact protection (unless there's some workaround with Intercept I'm not aware of).
  2.  
  3. It's not a simple process but I calculated the equiv RHA protection for kinetic and chemical energy rounds against the M1A1LFP/UFP by setting a static tank in the editor and aligning my character as straight against the armour plate as possible and finding the lowest penetration round that could make it through once every few shots.
  4. I used DEPBO or an equivalent to get a model that I could open in blender (using https://github.com/AlwarrenSidh/ArmAToolbox) to measure the armour components to be able to check my workings and see which parts of the armour were thicker, visually.
  5. I also used this to make sure I was hitting the armour at as close to a 0* angle as possible to make sure i wasn't artificially increasing estimated protection via armour angling.
  6.  
  7. The data for this is in the last few sheets in this spreadsheet: https://docs.google.com/spreadsheets/d/15aMgHLaf82euwx455wdVyjPHwko8tDf93RkpLejiQrE/edit#gid=1690989588
  8.  
  9. Calculating the RHA equiv armour pen is much easier:
  10. Penetration in RHA = initSpeed(from CfgMagazines) * caliber(from CfgAmmo) * 0.015
  11.  
  12. You can see a demonstration of this in my script here: https://github.com/lukegotjellyfish/Arma-Class-Exporter/blob/master/Exports/ParseExports.py#L313
  13. (these set of scripts make a CSV export as seen in this spreadsheet https://docs.google.com/spreadsheets/d/15aMgHLaf82euwx455wdVyjPHwko8tDf93RkpLejiQrE/edit#gid=1690989588)
  14.  
  15. To do this all in SQF using rhs_weap_ak74m and rhs_30rnd_545x39_7n10_ak as an example (no submunitions in this example):
  16. https://pastebin.com/JJZ8QNBu
  17.  
  18. To do this with something like the Abrams cannon (rhs_weap_m256 and rhs_mag_m829a4) or
  19. a [T]HEAT warhead you use the penetrator submunition:
  20. https://pastebin.com/C31FLKqy
  21.  
  22. If you want an easier way to get these values outside of Arma you can take a look at my python dict exports from my repo: https://github.com/lukegotjellyfish/Arma-Class-Exporter/tree/master/Exports/SQF-Class-Exports/RHS
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