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Old 10-17-2024, 05:10 AM   #6
GURPS Fox
 
Join Date: Jun 2020
Default Re: [3e] Statting a CTA weapon

Ok, to be honest, finding info on the weapon is frustrating because some of the links I've seen have... problems.

https://preview.redd.it/ni47has44q8a...=webp&755f27b8
Link to Reddit thread with some links that are having problems...

So, if this is any indication, the 'traditional' case version of an APFSDS would be 3,910g if the 735g lighter (or just under 19% lighter) comment in the advert and the 3,175g CTA round laid out in a report is the APFSDS are accurate.

... said 3,175g CTA round is yeeting a 755g projectile at 1.35km/s (which, if I'm not missing anything, is usually seen in autocannon APFSDS rounds)... or just short of 688kJ of kinetic energy out of the barrel. Using the equation 0.6*SQRT(KE/cal^0.4) I get 232.43577184579088410385864405914, which divided by 3.5 is 66.410220527368824029673898302611 (6x11)... which lines up with V2e's 45mm 'medium' barrel using APFSDS(R), if only off by three dice (7x9). Huh, that's weird how the damage almost lines up like that.

Also, the traditional case version of the 45mm CTA had to be on steroids or something...

Last edited by GURPS Fox; 10-17-2024 at 06:22 AM. Reason: Adding what I experimented with
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