Situ Muran first rejected Yuan Fang's kindness to equip the ship with artillery, to be precise, he rejected the first generation of artillery, because this caliber of artillery can't cause much damage to a huge battleship, just imagine, a fist-sized cannonball, breaking a fist-sized hole in the huge hull, it seems really meaningless, Situ Muran's idea is to let Yuan Fang hurry up and get a bigger and more fierce artillery out, how can the cannonball be as big as a football to be strong enough, this request stumped Yuan Fang, This is not just a proportional enlargement of the cannon body, the cannon body is enlarged, and the caliber of the barrel becomes larger, how heavy is the solid iron egg the size of a football? Even if there was enough gunpowder to shoot the shells, the resulting recoil would have to knock the deck through.

However, Situ Muran's request for Yuan Fang still attaches great importance to it, since artillery has begun to take shape, it will become the dominant force in the future war, not only for the air force, but also for land warfare, and there is also a huge space for use.

So, Yuan Fang began to study larger and more lethal artillery in the next few days, as expected, the range of the cannon enlarged according to the scale was unsatisfactory, compared to the heavy crossbow, and the recoil was too great, the base could not withstand it at all, and it collapsed in one shot.

Moreover, there was too much gunpowder, and the metal material of the gun body was difficult to withstand the huge expansion force, and Yuan Fang fell into a bottleneck again after several explosions.

Summoned all the core personnel again, that is, Sang Rou, Jieyue, Ye Qingru, Xia Yi and Xiaoyun and Hongyi, everyone discussed again, and finally got two solutions, starting from the cannonballs.

The first option is to switch to stone shells, which can greatly reduce the weight of the shells and reduce the cost, but it requires more manpower and time to polish.

The second option is to switch to hollow iron bullets, which is similar to the first one, but the production process of hollow iron eggs is more demanding, and it is not as simple as pouring iron balls.

After a few thoughts, a few thoughts, and a few days of trying, the effect of the stone bullet was obviously better than that of the solid iron bullet, and the range could fully meet Yuan Fang's expectations, but Yuan Fang was a little unwilling to change the cannon into a gunpowder trebuchet, so he began to ponder the type of cannonball that exploded.

After a few days, the military factory worked day and night, and finally the first batch of artillery was built, which was sent to Long Roundabout Island along with ten of the latest fighters.

The so-called fighter jet was designed by Yuan Fang during the period of time in the military factory, in order to use it with artillery, the previous combat airship theme framework has been finalized, and if you want to modify it with artillery, you need to make a large area of changes, and its cumbersome complexity is not as cost-effective as redesigning and making a new one.

The new airship named as a fighter by Yuan Fang, referring to the structure of the Wanliu Empire airship, added two not very large wings to fly with the help of airflow, and the fuselage still maintained the original mechanism, and the operating system did not change much, but a few control wing adjustment plates were added to use the airflow to generate pressure, so as to generate upward or downward power, control the ascent or descent of the airship, and bring stronger power and speed to the airship.

In addition, Yuan Fang's design enlarged the attack fire compartment under the engine room, replaced the original bed on the side, and replaced it with a smaller gun, the gun was fixed on the floor without wheels, and the base and shock absorption system were retained to reduce the reaction force generated when the gun was fired.

On the whole, the new fighter is slightly larger than the previous combat airship, and the number of personnel required has also increased to six, the cockpit is still one pilot and one mechanic, and the fire cabin is expanded from the previous two to four people, and a group of two is responsible for one artillery, one is filled with ammunition and one is loaded, and then aimed and shot, so that it can carry out continuous shooting faster, form dense firepower, and cause effective blows to the enemy.

When the new equipment arrived, Yuan Fang recruited some volunteers from the Emerald Isle Air Force Academy to conduct test flights and test launches, and the reason why they were volunteers rather than designated personnel was because there were certain risks associated with test flights and test launches, and they were likely to be buried in them.

After the volunteers signed the letter of commitment, Yuan Fang personally gave them a one-day lesson, these students have a good foundation, Yuan Fang skipped the basic knowledge, focusing on the differences between fighters, and the control needs to pay attention to the place, among them, Yuan Fang attaches the most importance to and repeatedly emphasizes the safety of the use of artillery and gunpowder, if this thing is careless in the cabin of the chamber, the consequences are irreparable.

After making sure that all the pilots and mechanics had mastered the operation and simple maintenance of the fighter, Yuan Fang came down the next day for the first test flight, and with the previous experience, both the fighter itself and the level of the pilot were much better than at the beginning.

It is still lifted off in the same way as before, and then gradually accelerated, during which the wings are idle until they reach a certain altitude and start flying.

Propulsion by emitting fog alone cannot provide too much power, so the feeling of air flow in flight is not very strong, and the wings only play a small role, but it is still much faster than before.

By controlling the adjustment plates on the wings to control the up, down, left and right directions of the airship, it is much more convenient than the previous way of operating the jet, and it can also greatly save the consumption of fog stones, which are all unexpected gains that Yuan Fang did not expect before.

There are gains and losses, this is the inevitable law, harvest unexpected surprises at the same time, the pilot's feedback information shows that the operation of the fighter is a little more complicated than before, but it is still within the range of bearability, as long as a little more time to familiarize itself with it should be able to adapt.

The mechanic's reply is very real, they have a very good understanding of the structure of the airship and the role and use of each component, although the main body of the fighter still retains the original structure, but some of the newly added parts give the mechanics a little headache, especially the wing, because the space is narrow, once it is damaged, there is no way to repair it in flight, it is the most important adjustment plate on the wing, that thing is used more frequently, and the wear is greater, and better materials are needed to ensure the safety of use, but now only ordinary materials are used, I'm afraid it won't be long before there will be a problem, this is the worry of the mechanic, but also the worry of Yuan Fang, this problem must be solved, and the sooner the better.

On the same day, Yuan Fang notified the military factory of this discovery and concern, and asked them to improve it as soon as possible, even if it is delayed for some time, flight safety is the top priority, otherwise it is not a joke to drop the chain at a critical moment.

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