Ziqian's family redeemed the national bonds, and the Chu State, which was no longer short of money, bought 50,000 horses; The Qi State lost a lot of military horses last winter, and the number of horses purchased was only much more than that of the Chu State; Wei also symbolically purchased 10,000 horses; The 100,000 troops of Zhao State are not enough horses, but the army is changing its outfit, and there is no money to buy horses, so it can only make do temporarily this year and next year, relying on the transportation system of Wei and Chu to fight.

The four countries purchased more than 100,000 horses, plus the original horses, the cattle are definitely not comparable to the Qin State, but the number of military horses has far exceeded the Qin State. The lack of horses had no effect on Meng Tian on the Western Front, the Qin army had been retreating, the logistics line was shortening, and it was impossible to use cavalry on a large scale in the mountainous areas; It had no impact on Li Xin on the northern front, and Li Xin, who retreated to Xiangcheng, only had the task of defending, not the task of attacking. The one who was really affected was Wang Jian who was stationed in Puyang.

There are only more than 300,000 Qi troops left, and if you annihilate these more than 300,000 Qi troops, the Qin army will be able to drive straight into Linzi. Originally, according to Wang Qian's meaning, the Qi army was constantly consumed, and when the Qi country had no soldiers to fight, the Qi country also died. But now that the Qin army on the Western Front has lost, the State Captain's Office has asked Wang Jian to destroy Qi this year, and this requirement naturally increases the difficulty of logistics supply.

The Qin army set out from the border of Qi and Chu and attacked Linzi for nearly 500 miles; Pull out Linzi and continue to the east, attacking the coast of Weishui for more than 700 miles; If you still want to go south to occupy Muling Pass, then the journey is even farther, and the army will almost advance 900 miles. This is an attack in winter, and there is a lesson from the previous time when the Qin army was fed to the enemy, and the Qi people will inevitably clear the wall this time.

There were originally 80,000 servant oxen and 70,000 horses in the army, relying on these big animals, the Qin army was barely able to attack Linzi, which was the case that the Qi people did not strengthen the wall and clear the wilderness. If the Qi people are strong and clear, the Qin army will have no houses to dismantle on the winter march, plus dry firewood, the logistics will need to transport more materials, and for a longer distance, the army will have to have 200,000 cattle and 160,000 horses.

Horses and oxen are different, horses are tall, at least five feet long, and oxen, oxen are less than three feet. In terms of pulling force, the pulling force of the ox is not much higher than that of the horse, and the carriage pulled by the two horses is pulled by two servant oxen, and the load is increased by about one-tenth, but the amount of food of the servant ox is much greater than that of the horse.

The speed at which the army advanced was about a fraction of a dozen per day, and it made not much difference whether the ox-cart or the horse-drawn cart accompanied the army. But the transportation between the army and the rear, the horse-drawn cart was twice as efficient as the ox-cart. In a word, you can't do without a horse. During the feast in the northern city of Daliang, in the Puyang Shogunate, Wang Jian slowly said this sentence.

"It's a helpless move." Wang Ao explained. "There are not many horses in the country, and half of the horses in Longxi and Beidi horse farms are horses of horsemen. For the sake of today's plan, we can only give more servant oxen and transport them with servant oxen ......"

"Transported by servant oxen, the servant oxen march too slowly every day, and it is too late." Liu Chi had to interject. "The food of a servant ox can be used as a horse for two days, and if a cart transports 4,000 catties, this is ......"

Liu Chi can't say the word daily attrition rate, but it means this. The daily attrition rate of a horse-drawn cart is different from that of an ox-cart. Two horses tow 1,000 kilograms, two oxen tow 1,100 kilograms, two horses consume 20 kilograms a day, and with the royal hand, the maximum is 22 kilograms; Two oxen consume 30 or even 40 kilograms of forage per day, and with the addition of Ute, it is 42 kilograms.

In this way, the daily wear and tear of the horse-drawn cart is 2.2%, and the daily loss of the ox-cart is 3.81%. If a truckload of goods is cattle and horse feed, how many days will the car dealership take? Carriage feasibility: 1/2.2% = 45 days; Whereas ox carts are feasible: 1/3.81% = 26 days. Counting the round trip, that is, the journey is divided by two, that is, the carriage can travel for twenty-two days, and the ox cart can only travel for thirteen days.

A thirteen-day trip, 60 miles a day, is only more than 700 miles. That is to say, relying on ox carts, the materials on the carts can be transported to the Weishui coast at most, and it is impossible to think far. Moreover, the daily wear and tear rate of the ox cart is high, and the ten-day journey of the carriage only consumes less than half of the materials on the cart (do not forget that the return journey also has ten days, that is, twenty days); Three-quarters of the 10-day journey of the ox cart and the 10-day return trip had been consumed by the oxen themselves.

Because of the relationship between the amount of food and the daily journey, the transportation efficiency of the ox cart is low, and the low efficiency can be compensated for by the quantity in a short distance. Long distances, if the transport exceeds 800 li, it is not the number that can make up for it, because this is the limit of the ox cart transport. Long-distance transport can only be solved by pyramidal barges – ten ox carts pull supplies, and when they reach their destination, they are transported further forward by one ox cart or one horse-drawn cart.

Any seemingly simple problem can become extremely complex in war, so the principle of war is that the simpler the thing, the more reliable it is. Logistics is the basis of military activities, and logistics is solved by means of lightering, and the location of the lightering is also deep into the enemy's territory. Once the local Qi people attack the barge point, or the Chu cavalry attacks the barge point, it will be a disaster for the Qin army.

In the shogunate, the strategists were discussing how to use ox carts to support the battle to destroy Qi, and Wang Jian remembered the tragic situation of the Qin army being driven out of breath by the coalition forces last winter, and countless soldiers were frozen to death along the way. The retreat from Linzi is already this result, and the retreat from the Weishui coast and the retreat from Mulingguan ......, no, if the Qin army really wants to advance to Mulingguan, there is no possibility of retreating. Rather than let the army freeze to death in the retreat and collapse in the retreat, it is better to fight to the death with the coalition forces.

"Father, there is no horse to destroy, what should I do?" Although Wang Ben was not as good at calculation as a strategist, he had been accustomed to military affairs for a long time, and knew that it was not possible to rely on slow ox carts. "The king wants to condemn me again?"

Wang Ben's last sentence was very light, and only Wang Jian could hear it. Wang Qian's face changed when he heard this, he didn't reprimand loudly, he also said very softly: "Nonsense! How could the king have such a heart? ”

"If the king doesn't have this heart, why doesn't he pull the horse?" Wang Ben has indeed been accustomed to military affairs for a long time, but he does not know anything other than military affairs. In his eyes, what is needed at the front, the rear can provide. The Qin army has been like this for a long time, even in a national war like the Battle of Changping, the king has never disappointed the generals on the front line.

"The king will have troubles." Wang Jian also did not know why the rear could not provide the horses he needed, but his judgment of the situation was very accurate. The Chu army captured Hanzhong, and the Qin army had to take the Qi state as soon as possible, otherwise the Qin state would lose the entire war.

"Difficulty? What could be more difficult than extinguishing Qi? Wang Ben was indignant. If there is no horse to transport grain and dry firewood, how can the army be wiped out? ”

"The major affairs of the country, how can you kid speculate without permission!" Wang Jian reprimanded his son with a straight face. There was everyone in the shogunate, and if the son's words reached the ears of the king, everything would be over. "You can't destroy Qi without a horse? Big fallacy! Ben will destroy the country of Qi without horses. ”

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