Google translate:Roughly copy the structure of b-17
Aircraft positioning: replica
Armed: Non-defensive machine gun
In the rear of the fuselage, there are 5 rows of 500-pound aerial bombs in 4 rows, 20 aerial bombs (total of 10000 pounds)

The armed load is 10000 pounds.

200HP armored defensive body everywhere

Aircraft engines: 4,2000 horsepower and 5 blades

Top speed in level flight: Altitude (miles-Ft)-fully armed load / empty load (miles per hour-MpH)
1k-311/324
10k-350/358
20k-380/395
30k-375/408
40k-318/355

Note: At altitudes of 40kft and above, you need to manually adjust the flight attitude to maintain level flight.

Takeoff and landing
Take-off-The minimum take-off speed/controllable speed is around 190MPH. Note that if you take off under full armed load, try to avoid too high angle of attack, too slow speed and too high angle of attack will cause the aircraft to stall and lose control. The countermeasure is to open the bomb compartment door immediately and discard all aerial bombs/loads.

Landing-Landing tolerance angle is between level flight and upward one-block angle.

Can fly without losing two engines
.

The target is bombed at a speed of about 300 mph, sorted from top to bottom; from 1k feet, 5k feet, and 10k feet, the marks indicate the final landing point at which the target can be bombed. Carpet bombing is recommended to arrive at the target. Before the final landing point of the ruler, an aerial bomb is released to reduce the possibility of the bomb landing point flying over the target due to various factors.

1- Control of the leftmost engine
2- The control of the left engine
3- Control of the right engine
4- Control of the rightmost engine
5- The first two rows of aerial bombs 5 total 10 aerial bombs detached
6- 5 of the last two rows of aerial bombs, a total of 10 aerial bombs detached
7-none
8-Control of the prompt light of the improvised bomb bay

Bomb bay door control (can be opened up or down)

The speed is TAS (True airspeed)