Say you have a level 10 port, how big of a invasion force can that level 10 port support reliably without any supply issues? Say 1- 2 armies consisting of 5-corps to 10 corps, or a lot bigger say 1-army group with 5-armies with 25 corps? Figure 10% of the invasion force is armored what's has been your experience?
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well I invaded the US once with 1 and a half army group. (well actually 3, but they were at half strength)
I had Boston, phily, New York; Norfolk, and several other ports. my whole center force was running very low on supplies and was forced back a bit after the initial push which reached Ohio. they were pushed out of it again after they reached low supplies. I only managed to solve it after I put a port on literally every coastal region of the east coast. Even a whole bunch in the Gulf of Mexico and the Nova Scotia Peninsula.
I had Boston, phily, New York; Norfolk, and several other ports. my whole center force was running very low on supplies and was forced back a bit after the initial push which reached Ohio. they were pushed out of it again after they reached low supplies. I only managed to solve it after I put a port on literally every coastal region of the east coast. Even a whole bunch in the Gulf of Mexico and the Nova Scotia Peninsula.
There was a US AAR that was amazing with the amount and quality of graphics which explained (in great detail) the amount of supply that ports could process...
EDIT: Here it is. "AMERICA Saves the World" by robw963
EDIT: Here it is. "AMERICA Saves the World" by robw963
I'm not sure that there's an exact number of units that can be supported. I would think that a level 10 port should be able to easily support 2 or 3 Corps of INF. (Let's say 15 divisions, 4 brigades per division) The issues you can face are the large number of variables that come into play, such as;
The infrastructure of the province(s)
Research, such as supply techs, basing, etc.
Combat. Units chew up supplies when they're fighting.
Type of unit. An ARM division with MECH & SP will suck up supplies much faster that an INF division.
Status of the port. The enemy could port strike your level 10 port down to zero.
So on, and so forth.
The infrastructure of the province(s)
Research, such as supply techs, basing, etc.
Combat. Units chew up supplies when they're fighting.
Type of unit. An ARM division with MECH & SP will suck up supplies much faster that an INF division.
Status of the port. The enemy could port strike your level 10 port down to zero.
So on, and so forth.
And there it is. There's lots and loads of variables re: supply flow, in any situation.
@BrianV :
Just in case:
There's two techs in the theory tab that impact supply flow. They're bottom center of the page iirc. One reduces "supply tax" which is the amount of supply lost as the supply moves to another province... every time supply moves to a new province. The other increases supply flow throughput. The 3rd tech in that block increases unit str repair rate.
In one of the naval tabs (doctrine?) there's a tech named 'Basing'. That increases supply throughput for ports.
If you've got administrator(s) with throughput bonus, that helps too, if they're employed.
And, using log wiz leaders in as many slots as functional (focus on army and corps slots before division, to stack up the bene in a broad base) helps too.
