Development questions, please respond.

[PlasmaKrab]

For the HEAT warheads, I meant by the 3* and 10* that the penetration value for new rounds could be rounded up with the following rule: penetration equals 3 times caliber for anything 50s to 80s, give and take 10-20% depending on the date and tech level.

And IIRC is internet slang abbreviation for "if I remember corectly"

[Marcello]

I have thought more about it. If the 175mm gun is meant for a tank destroyer, rather than some uber tank as I assumed initially, it might be possible to set up something to load it without an autoloader. The shell for the Sturmtiger was 345kg so handling a 175mm round should be technically feasible,if still massively unwieldy. Still it isn't a good idea; you have to remember that in real life the germans were cut off from tungsten sources when Franco turned the back to them. Given that all those advanced shell designs required tungsten this meant that they could not be produced. Therefore the only way to improve AP performance was building bigger guns, despite the disadvantages.
Assuming that instead tungsten can be purchased it seems to me quite likely that the germans would have developed more sophisticated rounds, it is not like they were clueless in this area (see the PAK 41 for example). As I said a 128mm with an APDS would deal with everything the russian can field, save maybe (and I mean maybe) the few IS-7 which will be made. For those a few 150mm with APDS will be more than enough.

[RecruitMonty]

3x the Calibre? Ok, just to clarify can I have some examples? Thanks for explaining what "IIRC" means.
As for Spain, well in the mod I am working on, the Germans have access to the Spanish tungsten. Besides, the guns are nice and long so both bases are covered. I do agree though, tanks that big with guns that big are unwieldy and only good in open terain. Ideal for the Russian Steppe then.

What do you think about the figures I have already posted up?

[eurico]

off-topic:
just a thought, shouldn't you give germany access to portuguese tungsten, rather than spanish tungsten?
since AFAIK at the time of the war the major sources of tungsten ore were in portugal, not in spain

[RecruitMonty]

Spain, Portugal, either way they have access to it!

[RecruitMonty]

These figures are, by now probably out of date!

Ok, Here we have the new figures for the 175mm and, the as of yet unmentioned, 128mm guns. What do you guys think?

For the 175mm (60s Variant):

Weapon class: 7
Accuracy: 12
Weapon size: 12
Warhead size: 9
HE Pen.: 4
HE Kill: 25
AP Pen.: -
AP Kill: -
Sabot Pen.: 46
Sabot range: 115
HEAT Pen.: 56
Weapon range: 125

For the 175mm (70s Variant):

Weapon class: 7
Accuracy: 12
Weapon size: 12
Warhead size: 9
HE Pen.: 4
HE Kill: 25
AP Pen.: -
AP Kill: -
Sabot Pen.: 50
Sabot range: 120
HEAT Pen.: 62
Weapon range: 130

For the 175mm (80s Variant):

Weapon class: 7
Accuracy: 12
Weapon size: 12
Warhead size: 9
HE Pen.: 4
HE Kill: 25
AP Pen.: -
AP Kill: -
Sabot Pen.: 58
Sabot range: 130
HEAT Pen.: 65
Weapon range: 130

For the 128mm (60s Variant):

Weapon class: 7
Accuracy: 11
Weapon size: 12
Warhead size: 7
HE Pen.: 3
HE Kill: 14
AP Pen.: -
AP Kill: -
Sabot Pen.: 40
Sabot range: 110
HEAT Pen.: 50
Weapon range: 120


For the 128mm (70s Variant):

Weapon class: 7
Accuracy: 11
Weapon size: 12
Warhead size: 7
HE Pen.: 3
HE Kill: 16
AP Pen.: -
AP Kill: -
Sabot Pen.: 45
Sabot range: 110
HEAT Pen.: 55
Weapon range: 120

For the 128mm (80s Variant):

Weapon class: 7
Accuracy: 11
Weapon size: 12
Warhead size: 7
HE Pen.: 3
HE Kill: 17
AP Pen.: -
AP Kill: -
Sabot Pen.: 52
Sabot range: 120
HEAT Pen.: 65
Weapon range: 120

For the 128mm (90s Variant):

Weapon class: 7
Accuracy: 14
Weapon size: 12
Warhead size: 7
HE Pen.: 3
HE Kill: 18
AP Pen.: -
AP Kill: -
Sabot Pen.: 70
Sabot range: 120
HEAT Pen.: 65
Weapon range: 120

[Marcello]

OK, let's me get this straight: are the germans going to develop and field FOUR (105/128/150/175mm) tank guns in parallel?
That's a massive waste of effort and a logistical nightmare. If some uber AFV is needed for the propaganda newsreels you can always stick an artillery or naval gun on it. But for actual tanks, TD and Stug you should cut it down to no more than two pieces (you might need something lighter for armored cars and such but I am speaking about guns in this class) at any given time.

[thatguy96]

Well honestly, Hitler wasn't exactly known for making logistically conscious decisions, and the German Army from day one was a logistical nightmare because it had to make ends meet on equipment. Depending on SGTGunn's alternate history, Hitler might still take responsibility for all armament development decisions at a certain point (as he did in real life), which might lead to this situation.

Remember, Hitler was the guy who with limited resources decided to produce two initial production runs of tanks, one of which would become the Tiger, and other of which they had to find a use for. The decision to create the Ferdinand/Elephant was not one that had been preplanned for the excess, it was done because they needed to make use of them.

[Marcello]

"Remember, Hitler was the guy who with limited resources decided to produce two initial production runs of tanks, one of which would become the Tiger, and other of which they had to find a use for."

Well the usual story was that it was a Porsche decision, as the guy felt that he had already won and thus decided to start production in advance. Hitler liked Porsche design but actually listened to the informed opinion that it was unsuitable for mass production. Besides RecruitMonty is posting data for the 90's and Hitler would not be around anymore.

[PlasmaKrab]

Guys, are we still talking about the "Das Reich" mod? If so, and assuming I have understood anything to the storyline, there would be no Hitler to heed the Imperial decisions and ruin the whole business in a few years, right?
This and the rest being considered, I agree with Marcello that four parallel tank gun calibers are overcomplicated. Now how about using them as two parallel runs, each one evolving over time from one caliber to another? Say, start with 105 and 150 as main weapons, respectively for light/medium tanks and light TDs and for heavy tanks/Stugs. Meanwhile, keep the 128 and 175 for seldom exceptionally heavy vehicles, and later on switch them to main calibers, while developing new ammo for them.

There again, I'm not sure there is much point in such large guns once you have better technology for AP rounds (make that the 60s, I don't know the technical development line you have in mind).