I assume the performance difference regarding the barrage is rather small. What is crucial is the time to land the second and to a lesser extend also the third shell. Here the GR34 performs better. After being hit by the second shell the barraged squad will move out of the area the latest.
The difference also only exists for clumped formations which usually happens in cover. And at least in green cover this difference will be smaller due to the damage reduction modifier.
The PM41 barrage is potentially better when shooting at squads that cover behind bushes or fences, otherwise not so much.
Depend on what you want to describe as small but the difference in auto fire are comparable.
MMX analysis is quite clear Soviet mortar has a better barrage even taking into account time factors.
it's weaker in comparison to GW 34 how do you plan on compensating for that.
1) Auto fire fire is weaker, barrage is superior
2) Ostheer where designed to have superior support weapon and the progressively thru out the patches gap between ostheer support weapons and the other faction has become sorter. There is simply no need to close it.
Reload is only one part of ROF, the difference in reload does not necessarily translates to the same difference in ROF as in this case, so your stat are wrong (there are reload and not ROF).
"Again, the two Eastern Front light mortars use the same AoE profile as in the autofire case, but this time the PM-41 should clearly outperform the GRW-34 due to the much lower barrage scatter. "
Yes, this is some of the data you should have given, the pen values themselves do not help.
But you also can't neglect other stock units. The P4 has a mid-long range chance of ~70% to penetrate a Sherman and 100% for the Jackson once it gets in range.
EZ8 ranges between 65-75% depending on target and range (about 75% if you get in close to about 15 meters) vs OKW tanks and 65-90% vs Ostheer units at similar ranges. The EZ8 also shoots about 0.7 secs slower. The 5 meter range advantage that is currently planned should therefore allow it to get the second shot off at roughly the same time as the P4.
Of course it has an advantage vs other mediums, that's its whole purpose.
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And thus the claim Easy8 "doesn't have good AT," is false which is my original point.
I am not sure if/where you disagree with my point.