RDF-LT and HSTVL

tipical usamain skill issue

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Typical Gaijin got US wrong again issue.

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Some questions I have:

  • Were these variants developed sequentially or in parallel?
    – If sequentially, what was the finalized variant?
    – If in parallel, what were the outcomes of each of them? Did one of them get selected?

  • In reports, articles, etc, they mentioned Delta 3 and XM885.
    – When different sources mentioned them, are they talking about the same thing?
    – Is one of the variants presented Delta 3, or was it a completely different design?

  • Did the HSTV-L test all four of those variants?

  • What does this mean in game?

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All this can be answered by watching Spookston’s video on them
Here go listen and learn
https://www.youtube.com/@Spookston

The fact that htvs-l didn’t get an ammo box with its anemic 26 round capacity is mind boggling but not surprising.

So M774 is over-performing according to you…
198 /cos 60 = 396mm of penetration at 2000 meters.
image

Prove that M774 should be nerfed.

Thank you @Caernarvon02 for bringing his error to my attention.

@stangbro01
26 rounds is more than enough in a match.

Can’t do that, APFSDS do slightly better than that so … 343 is correct even if 198 is also correct, that’s why they rejected a couple of documents from Chinese and Russian communities because they are all done with angle and not flat, so doesn’t help them get the actual pen correct.

rolled armor is about 25% weaker than cast armor IIRC

All i did was ask for proof of OPs claim that it should be superior to L23 on the Challenger 1/ chieftain.

LMFAO pls bug report that

What’s there to bug report? I have no evidence that 396mm at 2000 meters is incorrect.

I seem to have misread ignore me

Meanwhile Su-33 missing its surface missiles

I thought CHA is like 95% as effective as RHA?

RHA is stronger

cast can have air bubbles and impurites inside of it when its cast that’s why its weaker, rolled if made in a way that most of those are removed before its finished

My guess would be the original AAI projectile is the one with the 2lb penetrator. That being the one with a Mass in Flight of 3.04lbs or 1.38kg. It’s also plausible that the 12.78 Caliber length could be used as a stand in for the Penetrator Length. However, I haven’t ran it through L-O spreadsheet yet to check penetrator mass.

Property Calibers inches mm
Projectile Length 15.38 12.47 316.7
Penetrator Diameter 1.0 .811 20.6
~Penetrator Length~ 12.78 10.364 263.26
Fin Assembly Diameter 2.61 2.1167 53.76
Fin Assembly Length 2.46 1.995 50.67
Nose Cone Length 2.6 2.108 53.54
Mass Property lbs. kg
Mass in Flight 3.04 1.38
Mass of Penetrator 2.0 .907
AAI Penetrator Projectile for MC-AAAC


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i think its cuz light tank don’t get ammo box, only AA and tank destroyer get them. But I agree, 26 ammo is not a lot to work with and HSTV-L do need ammo box.

Trying again with some bug reports…

HSTV-L Not ricocheting Turret 81 degree apfsds shots

https://community.gaijin.net/issues/p/warthunder/i/aw8MRtjMFqUV

HSTVL turret basket not part of aiming drive

https://community.gaijin.net/issues/p/warthunder/i/5gvpUcq9jdWx

HSTVL/RDFL Delta 6 is the only round that saw production as M885

https://community.gaijin.net/issues/p/warthunder/i/ipQyZqeqPfOH

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I think they disabled the “bounciness” of thin armor angled at an extreme angles for all tanks.

I’m not really sure the physics behind ricochets so correct me if I’m wrong, but if the armor is extremely thin, wouldn’t the armor give in to the amount of kinetic force from the round?

I believe there’s a threshold for the thickness (not effective thickness) of the armor in which ricochets are allowed but I’m not sure what that threshold is. for example shooting shooting the HSTVL’s frontal armor at 81 degrees will ricochet.

However, shooting the Obj 906’s frontal armor (20mm thick) at 81 degrees will not ricochet

(in both pictures I used the M829A2)

EDIT: NEVER MIND, IGNORE WHAT I SAID EARLIER. shooting Seargent York’s roof at 81 degrees (13mm thickness btw) causes it to ricochet

Yeah I’m not really sure what’s going on. Maybe they disabled it to select tanks that are deemed “problematic” or too bouncy?

No this is same issue with leopard 2s and some other MBTs’ ufp not ricochet as well. Same applies to thicker armour like 80mm + 150mm (ERA) on VT4, so not distinctly a thin armour issue. IDK why but speculations is that it has to be one uniformed plate to be able to ricochet.

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