It didn't take long for them to see the hot air balloon slowly descending from high in the sky.
The hot air balloon adjusts its direction by raising different altitudes, but when you want to attack, you still have to lower the altitude as much as possible.
If the height is too high, it will not be easy to lock on to the target position.
In addition, it is difficult to be accurate due to external influences such as wind direction.
After the tea, the balloon was lowered to a height of 300 meters above the ground.
At this height, the range of a bow and arrow is simply not enough to reach a hot air balloon.
At present, no weapon on the ground can reach such a high altitude with any weapon for the time being.
Because of the range of the bow and arrow, even if it is shot on the ground, it is difficult to reach a distance of 300 meters.
Not to mention, it's still a vertical distance now.
Well, or the range of the three-bow bed crossbow on Dahua's side, which can threaten the hot air balloon.
It's just that the three-bow bed crossbow is a flat shot, and it doesn't have a ground-to-air range at all.
Even if it is to be transformed, it will not be able to be successfully transformed in a short period of time.
What's more, now on Cao Wei's side, according to the intelligence obtained by the CIA, they have not developed a three-bow bed crossbow now.
At least for a short time, Cao Wei could not pose any threat to the hot air balloon at all.
And when they develop the three-bow bed crossbow, Dahua's hot air balloon will be upgraded again.
It is even possible to make more advanced flying machines.
Now, it's up to you to see how accurate the balloon attack is.
At this time, two operators on board the hot air balloon began to attack the designated area of the ground.
After a while, I saw several swarthy iron bumps whizzing down from the hot air balloon.
Nearly 300 meters high fell to the ground, and suddenly made a dull sound, directly smashing the ground into a big hole.
Lu Bu and the others were a hundred meters away, and they could all feel the ground trembling slightly.
Such an attack, let alone a person, even if it is a horse, if it is hit like this, it will be smashed into pulp.
Of course, this is just a random attack method used during testing.
When the hot air balloon is actually put into use, it will definitely not be possible to smash people with iron bumps.
This rudimentary way of attacking cannot be said to be ineffective, but it is inefficient.
Or it can scare the enemy, but the real effect is very limited.
When the time came, Lü Bu prepared to attack with improvised bombs.
Well, by now, Lu Bu is also ready to take out the gunpowder.
In fact, Lu Bu could have taken out the gunpowder a long time ago.
It's just that Lu Bu has an instinctive rejection of gunpowder.
After all, Lu Bu is the best man in the Three Kingdoms, Lu Bu among the people, and the red rabbit among the horses.
And with gunpowder and thermal weapons, personal prowess is too small in the face of thermal weapons.
Of course, there are more than that.
Moreover, if he takes out gunpowder when his strength is insufficient, although he can conquer everything in a short period of time, he will be invincible.
However, the lack of power is not enough to hold the fruits of victory.
Gunpowder is a double-edged sword, and with a little recipe spread, your enemies can also use gunpowder against you.
If he could, Lü Buzhen hoped that gunpowder would never be invented.
However, even if Lu Bu didn't come up with the formula for gunpowder, gunpowder would have to be invented sooner or later.
In the original historical trajectory, it was probably Ge Hong of the Jin Dynasty who invented gunpowder during alchemy.
In the Sui Dynasty, it was really developed, and in the Tang Dynasty, it was applied to weapons.
Since the appearance of gunpowder is inevitable, let's just take it out now Lu Bu has now handed over the formula of gunpowder to Huang Chengyan, but to study gunpowder, Lu Bu did not let Huang Chengyan personally study it.
After all, the study of gunpowder is full of dangers, and if you are not careful, you may be seriously injured or even killed directly.
Huang Chengyan is now a treasure in Lu Bu's hands, and Lu Bu is reluctant to have an accident with Huang Chengyan.
With the formula, it was only a matter of time before gunpowder was developed.
The next step is the improvised bomb.
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Later generations of new grenades were the most powerful in intensive combat.
Because although its mass is light, it has 1,600 steel balls in it.
After the explosion, 1,600 steel balls flew inside, which was not too cool in a dense crowd.
It's just that at present, with Dahua's scientific and technological capabilities, it is not possible to manufacture such advanced grenades.
At present, the first generation of wooden-handled grenades can only be developed first.
Although the killing range of this grenade is a little worse, in terms of lethality, it is actually greater than that of modern grenades.
Each hot air balloon can carry weapons weighing nearly three hundred pounds, if all of them carry grenades.
According to the calculation of about two catties per grenade, it is enough to carry about 150 grenades.
As long as there are 100 hot air balloons in a team, then the air strike force is absolutely unprecedented, and it is terrifying.
Of course, if you attack the city, it's just a grenade, and the power is still not enough.
Because this is still the first generation of grenades, the power has not been tested, and it is not known whether it can blow up the opponent's house.
And the best way to attack the city is to attack it with fire.
So, in addition to grenades, it is better to have incendiary bombs.
Well, this incendiary bomb is actually a glass bottle, filled with gasoline, and there is a lead outside, which is ignited directly and thrown down.
With incendiary bombs and grenades, the city is absolutely overwhelming, and it is simply not too easy.
The first attack point, the three iron bumps, were all thrown in the circle, and the attack accuracy was quite high.
Lu Bu was very satisfied with this result.
Next, there is the second attack point, the third attack point, and each attack point is a precision attack.
Well, yes, it looks like the hot air balloon has to be functional, and it can fully meet the needs.
In that case, mass production is possible.
In the first batch, Lu Bu plans to produce 500 hot air balloons to experiment with the effect.
As long as the hot air balloon is produced, and then the grenades and incendiary bombs are produced, you can launch an attack on Cao Wei.
Lu Bu believed that with air strikes, grenades and incendiary bombs, it was impossible for Cao Wei to fight back.
As long as he can catch Cao Wei off guard, he can quickly eliminate Cao Wei and then unify the Three Kingdoms.
After reunification, it only takes three or five years of recuperation before Dahua can start its external expansion.
Lu Bu has been waiting for this day for a long time.
However, correspondingly, there are many scientific research projects that should be withdrawn now.
You can fight the world right away, but you can't rule the world right away.
We must grasp both things, and the building of spiritual civilization is also extremely important.