"How's the design of your weightless space excavator going?" After Zhu Yuhang finished looking at the drawings, Lu Guansheng asked about the project he proposed half a year ago.
"There is a technical problem and we haven't found the answer yet." Zhu Yuhang frowned when he heard this.
"What's the problem? Tell me about it."
"The problem of grip during driving." said Zhu Yuhang.
"How do you solve the digging and grabbing problem?"
"We used two spiral excavators rotating in opposite directions." Zhu Yuhang explained concisely.
He knew that Lawrence Lu was also a mechanical expert and could understand without too many words.
"What methods have you thought of?"
"I thought about starting with two wheels, but that would cause imbalance and the car to jump. I also thought about adding a reverse wheel, but the depressions or sharp protrusions would make it prone to failure or even get stuck." Zhu Yuhang sounded helpless as he spoke.
"Are the four wheels controlled separately?" Lu Guansheng asked again.
"Yes."
"I have thought of a way, but I wonder if it is feasible in practice?"
"What method?"
"It's still the principle of reverse braking and grip," Lu Guansheng said as he took a piece of white paper and began to illustrate. "What if the guide wheel, that is, the front wheel in the direction of travel, is traveling 5% faster than the rear wheel?"
"5% faster?" The gears in Zhu Yuhang's mind began to spin rapidly and calculate.
If the front wheel is faster than the rear wheel, the relative speed of the front and rear wheels will cause the rear wheel to move backward. This differential resistance will generate grip, thus solving the problem of drifting while driving.
But this operation consumes a lot of energy. Zhu Yuhang began to calculate how to achieve grip stability with the smallest difference, perhaps less than 5%.
“Maybe 0.5% to 1% can be done! I’ll try it later!” Zhu Yuhang felt that Lawrence Lu’s mind was very quick and he could think of things that he couldn’t think of, and his admiration for him became even greater!
For something like a space vehicle, energy is indeed a problem.
Just like the space city, although there are solar and nuclear power plants, the supply still cannot meet the demand, so they will limit the population and energy consumption.
If you want long-term effectiveness and high efficiency, and want to develop heavy-duty space equipment, energy is the key!
At this point, Lu Guansheng started thinking about developing sustainable perpetual energy.
Although in the last life, there was not a single research result in this area internationally, but as long as there is an idea, the technology and methods will eventually catch up.
All it takes is time.
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