Hi XofDallas,
I've noted the high volume of food in past posts, but its good to keep in mind, although the new northern canals are rather capacious [barges gross weight near 3000 tons and over 96,000 cubic feet according to HFaF when building the first ironclads] so once through the Langhorne it might be smart to transfer to the larger barges, depending on their availability after the GCR [Cayleb's 'great canal raid'].
Dragons consume around 580-600 pounds of vegetable matter when they can get it, but apparently can get by on much less.
In explaining the logistic problem in HFaF, a dragon can deliver 75% of its 27 ton payload, or 20.25 tons 500 miles away in 16 days, ie consuming 13,500 pounds itself over 32 days for the round trip means 421.875 pounds per day.
Given Fort Tairys was 900 miles from Thesmar, no one on their right mind would have considered the losing proposition of a 2 stage supply system; only the Desnari would consider such a lame brain idea and think it could ever work.
Barges are easier to come up with than hundreds or thousands of dragons, at least where the CoGA needs dragons [and wagons], but over a campaign season of around 120 days it does add up.
Making 4 quarter Harchong 'army groups' reduces the direct demands to 1500 tons of fodder and 600 tons of food per day, so the AGC might start having its supplies sent up the Fairmyn to be arrive at the northwestern curve of the Charayn Canal by the time they get there.
Since most of the march is through the Border States, the food and fodder along the way can be coordinated ahead of time so the MHoGatA doesn't have to forage, thus marching around 40 miles per day.
If, as I've posted before, there isn't a road between the Sabana river and the Charayn canal now, then 300,000 infantry and 100,000 cavalry will make one by the time they get to the canal.
For AGS, it would take too long to assemble all the shipping needed besides the loading and unloading time for marching less than 800 miles, when the MHoGatA has already marched several times than distance from Harchong.
It would be much easier to deliver any further supplies the locals can't by sea before Sharpfield ever showed up, but that can be raided by ICN schooners, while the rest of the fleet remains concentrated in case Thirsk tries something.
Yes, it is fascinating, isn't it.
L
[quote="XofDallas"][quote="lyonheart"]
. . . .
If the MHoGatA is only 1.6 million men strong, that's 2400 tons per day of food which a barge or two can handle, but requires 89-119 dragons [and wagons at 27-20.25 tons @] each way; while fodder for 400,000 horses requires 6000 tons per day or at least 3 barges every day.
For an army that size marching overland without arranging the food and fodder well ahead of time could be an excellent way to starve the army.
On the march, across 5 miles on each side, a 20 miles per day advance means they pass some 128,000 acres per day and must average 37.5 pounds of food per acre per day, while the required fodder is 93.75 pounds per acre per day, keeping in mind food and fodder are not raised on the same acre.
Given the experience of the AoS starving while marching through an area that was capable of at least two crops a year, if not more, ought to make the IHA and Go4 planners recognise there will be very little food or fodder available for foraging in northern Siddarmark this spring, so movement by canal will be required.
I expect one IHA sub-army (at least a quarter but possibly a third) to be sent directly across Jhurlahnk from the Langhorne Bedard river junction to the Charayn Canal to replace Kaitswyrth's after Symkyn destroys it soon.
One sub-army will head up the Langhorne to replace Wyrshym's which I've previously dubbed army group north, while another heads down the Sabana River to Dairnyth etc to replace Harless's AoS that I've designated army group south, the middle one obviously being army group center.
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Hey, Lyonheart, a good post, and well reasoned. It gives rise to several thoughts.
First, I did a little research, and found out the average river barge can transport 1500 tons of materials. good call there. I do think with food being lighter than normal barge materials (and thus taking up more space), the IHA may require 2 to 3 times that number, or 4 to 6 barges per day. It would be a nightmare for the CoGA and IHA quartermasters, but it really might be doable... by boat.
By land, I'd say, difficult to impossible. The biggest problem is that the "transportation," namely, the dragons, will consume a lot of food too.
Thus, your designated Army Group North could make it up the Bedard, then Langhorne, canals, until either they run into the enemy, or they run out of workable canal.
Army Group Center, however, would have to go overland to the Charayn Canal, a straight line distance of about 750 miles. It would take them the better part of a month and a half (let's say, 9 fivedays), at a minimum. They might have a serious problem doing that, especially if Charis can figure out a way to mess with their supply situation.
Army Group South, to get to Dairnyth, would have to go overland through Faralas, or by boat through the Gulf of Tanshar. If they go by boat, I can see the ICN blowing their transports out of the water. If they go by land, it'll be a march of a thousand miles, and will take even longer. In addition, I don't think they'd be able to keep supplied by boat, as the ICN probably will control that Gulf by then. So, call it a 12 fivedays march, assuming no mud, weather delays, etc. I easily can see the ICN making this march next to impossible.
Following this reasoning, if the IHA really is split up into army groups for the purposes described, Group North would have the easiest, and fastest, time getting to some point where it could be effective.
Army Group Center will have problems - significant ones. Assuming it makes it to the Charayn Canal, it won't do so before May, and it will have its own supply and starvation issues to contend with, as well as having left a lot of ill will in its wake.
Army Group South, I expect will try to go by boat, and will be annihilated by the ICN. Or it will go by land, with the intent to be supplied by boat. No way it makes it to Dairnyth by water. Difficult to impossible for it to do it overland. I don't think it will make it to Dairnyth.
Interesting thoughts, I'm enjoying the exercise of following through on the various scenarios mentioned.
Thanks![/quote]