You can add a set of extended range...Forget it, the high-power extended range mode increases the system complexity.

Use Yifei's battery directly and add a charging interface.

40kg battery, 35kWh of electricity, this is enough.

After all, the main blade function is not turned on all the time, but only for a moment when attacking."

Chen Yi lists the design points of this new sharp-edged drone bit by bit.

The drone itself has a low-power power generation system connected to the engine and naturally dissipating heat, which is used to power avionics, communications, radar photography, etc.

However, this system cannot meet the consumption of ultrasonic transducers, especially microwave generators.

To increase power generation, it is necessary to add heat dissipation and cooling modules.

Increase the weight and volume of the generator, while consuming more engine thrust.

Rather than doing this, it is better to directly switch to batteries to power the ultrasonic transducer and microwave generator separately.

It also happens to increase sales a little bit for Yifei's batteries.

According to these requirements.

Combines knowledge of aerodynamic layout and aircraft design.

More than four hours later.

A drone with a length of 2.8 meters, a wingspan of 1.79 meters at its widest point, and a height of 50.4 centimeters including the landing gear was designed by Chen Yi.

The overall shape of the drone is somewhat similar to a smaller version of the J-20 Weiye.

However, the fuselage is relatively flatter to reduce the cross-sectional resistance during impact cutting and penetration.

In addition, Chen Yi also designed a special structure for the machine head with reference to aerodynamics and fluid mechanics.

Normally it has a streamlined tip, but once the sharp blade mode is turned on, the tip will be concave.

It forms a concave structure like an inverted blade. The angle, radian, depth, length and width of the inverted blade are all carefully calculated to maximize the concentration of shock waves.

At the same time, the wings that participate in the blade mode also have a similar structure.

According to Chen Yi's calculations, structures such as the nose and wings can better concentrate the shock wave energy in front of the fuselage.

The resulting shock wave energy is 5 to 7 times higher than the shock wave in the natural supersonic flight state.

Of course, energy is conserved.

This extra shock wave energy cannot be blown out of thin air.

The price paid is to turn on the sharp edge mode, and the aerodynamic resistance of the drone will rise linearly.

The phenomenon shown is that the drone, which was originally flying at high speed, decelerated sharply due to the increase in aerodynamic resistance.

Therefore, this sharp blade mode must be turned on at supersonic speed, otherwise the drone will not be able to enter the speed of sound.

And after it is turned on, it must attack the target before decelerating and falling out of the speed of sound.

Because once it falls below the speed of sound, the shock wave effect that breaks the sound barrier disappears, and all the gathered shock waves will disperse.

"The lift coefficient is 2.52 and the drag coefficient is as low as 0.015."

"Although the shape is imitation of Weiye, its aerodynamic performance is even better than Weiye."

"It seems that after being influenced by the drone, I have made progress again."

"Even if the blade mode is turned on, the lift coefficient and drag coefficient of the drone reach... Forget it, I won't mention this."

After completing the design of the drone, Chen Yi calculated the lift coefficient and drag coefficient of the fuselage structure.

Very good.

In normal flight conditions, the aerodynamic performance is even better than that of Weiye.

As for the blade mode...well, this is not a normal flight state, so there is nothing to compare with.

"It's three o'clock in the morning, and there's not much carbon fiber raw material left."

"Since it uses a sprint space turbojet ramjet engine, there is no need to reduce the weight of the fuselage. Just use aluminum-titanium composite metal..."

Determine the aerodynamic performance of the drone.

Chen Yi imported the drawings into two 3D metal joint printers.

According to the time, the printing and production of this latest sharp-edged drone will be completed early tomorrow morning.
Chapter completed!