Vol 10 Chapter 2729: Fancy play

Yes, they could tell that Qin Luo was really playing from the beginning.
"Row!"
After a long silence, Zhou Minggang nodded heavily.
There is no way, seeing Qin Luo's appearance is that his heart is determined, so that Qin Luo can change his mind?
Emmmmm, forgive them for less reading, they really don't have this ability!
Seeing the crowd, Qin Luo's face was filled with a bright smile, and said, "Professors, there is one more thing."
"Off-orbit technology is divided into active off-orbit and passive off-orbit. Which one do you think we should try first?"
Derailment is not a simple task.
He is divided into active and passive.
The conditions for distinguishing between the two are also very simple.
Whether it has the ability to change tracks.
Spacecraft with the ability to change orbit can directly provide the orbit-changing impulse from the engine, so the spacecraft will actively fall into the atmosphere after leaving its original orbit.
A spacecraft without active orbital change capability requires a special braking rocket.
The brake rocket is mounted on the spacecraft along the longitudinal axis, so that the rocket's thrust vector is consistent with the longitudinal axis.
First, the attitude control system adjusts the attitude of the spacecraft so that its longitudinal axis is at an angle θ with the local horizontal plane (called the braking angle). At this time, the direction of the longitudinal axis is called the braking direction. The thrust of the braking rocket acts in the braking direction for a period of time, so that the spacecraft gains an additional velocity ΔV in this direction.
Therefore, the speed of the spacecraft is changed from V1 to V2. Although the magnitude of V2 and V1 does not change much, the change of direction can make the spacecraft deviate from the original orbit to achieve the purpose of landing.
Compared with passive change, the maneuverability of active change is undoubtedly much better.
But correspondingly, the difficulty of the subject is much higher.
The time spent is usually several times that of passive orbit change research.
If the change is normal, Zhou Minggang thinks it would be better to take the initiative to change track.
But the current situation is extremely short of time.
There was not much time left for Qin Luo.
Simply put, they don't have time to complete the active change experiment.
So for Zhou Minggang, this is not unsolvable.
After pondering for a while, Zhou Minggang immediately said, "If you want to ask me, I suggest focusing on passive change."
"After all, time is pressing. If we want to complete the manned space flight test within half a year, we must seize all the time."
"Moreover, everything is simple, starting from the most practical and time-saving topics. Only in this way can the test flight be completed in six months!"
I have to say that Qin Luo felt that Zhou Minggang's words were quite reasonable.
Things are just like what he said, now that time is pressing, Qin Luo has no time to spend here.
But if there is reason, it does not mean that Qin Luo will do it.
As a schoolmaster, and the world's top schoolmaster.
Qin Luo has his own principles of doing things.
That is, either do not do it, or do the best.
Anyway, both sides have to experiment, why not do it in one step?
Waiting to study it again later, isn't this a waste of time?
"Professor Zhou, what you said is very reasonable." Qin Luo nodded solemnly and said, "However, I don't plan to use it."
Zhou Minggang:? ? ?
What do you mean?
I think what I said makes sense, but I just don’t use it, right?
This is the first time Zhou Minggang has seen someone playing this way!