I’ve read that the 20 pounder had (at least) 4 APDS shells developed for it: Shot Mk. 1 through to Mk. 4. However, the only one I can find data on is the Mk. 3 (the one present in game);
- 330 mm RHA at 1,000 yards (910 m) at 0 degrees
- 290 mm at 2,000 yards (1,800 m) at 0 degrees
- 87 mm at 1,000 yards at 60 degrees
- 77 mm at 2,000 yards at 60 degrees
There are weights and MVs for the Shot Mk. 1 on wikipedia but I don’t know if they’re accurate – it says Mk. 1 had a velocity of 1,325 m/s compared to Mk.3’s 1430 m/s.
What I’m asking is, does anyone have any data on the other shells? How much weaker (or better) were they in terms of penetration values? Were only Mk. 1 and Mk. 3 fielded, not 2 and 4? Etc.
Thank you :)
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I have a question, what ammunition would the Australian Centurion MkV carry in Vietnam?
Ehmmm… the British ammunition, I guess? I don’t think they had facilities for it’s production in Australia. But I’m not sure, you should wait for an expert on British AFV to answer, which I’m not.
Yes, I was referring to British ammunition, I say this because around the 70s I don’t know what ammunition would be available for the 20pdr, since the Mk3 is from the 50s, and not much is known about the Mk4.
I believe the tanks in Vietnam carried a bit of everything depending on what they were expected to do. Not a lot of enemy armour about, so probably a majority HE and Canister, photos show HE, Canister, APCBC, Smoke, and APDS.
source:https://battle-tank.tripod.com/battletank_page_7
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Thank you! This is much closer to what I was looking for. Guess I’ll have to look deeper for more Swiss/Swedish/Israeli trials (any country that used the 20pdr. Centurion really).
