"I'll go out first, and I'll talk about it next time." McGonagall smiled as she put the drawings behind the counter and headed for the door.

It was the same one who had come to pick up McGonagall from the previous time, and the two of them nodded slightly and got into the closed carriage.

"Lantiste...... What kind of place is that? It is not known if the relevant information can be found. McGonagall was still thinking about what Gina had said in the carriage, and he was sure that Gina wasn't lying, but he still didn't have a clue how to help the Fish-People get out of trouble.

"Maybe you can ask Miss Hill for advice." McGonagall thought to herself, the carriage went out of the city, drove for more than half an hour, and then stopped, and McGonagall went out, still in front of the cliff face last time.

"Mr. McGonagall, please come in." The assistant smiled, and a passage appeared on the cliff wall.

"I'm tired." McGonagall nodded slightly, and walked briskly into the passageway.

Behind the passage is an incomparably wide cave.

"Mr. McGonagall." Standing at the mouth of the cave, Blair stepped forward quickly, shook McGonagall's hand, and said gratefully, "Thank you very much for taking the time to come and guide. ”

"You're welcome, Miss Hill told me that you have made a magic change to the steam engine, and I am also quite interested, so I want to come and see, and I can't talk about guidance." McGonagall shook her head.

"Mr. McGonagall, please." Blair took McGonagall deeper into the cave and said, "We have some immature ideas, but there are problems in the practical application, so I specially asked Mr. McGonagall to come and see, as the designer of the steam locomotive, you may be able to bring us new ideas." Let's take a look at what we've been doing these days. ”

The interior of the cave has been cleared, and a pitch-black steam train is parked on the tracks, and the angular steel behemoth is formidable in the light of the fire.

The tall chimney of the steam locomotive stands out, and the carriage is flanked by thick metal baffles with half-meter-long spikes arranged on top of the baffle, which looks like a hedgehog.

Compared to the previous semi-finished product, this version of the steam locomotive is extremely impactful.

"Considering the enemies and monsters that may appear along the way, we have added defensive armor to the outside of the steam locomotive to ensure that the steam locomotive will not be easily destroyed." Blair explained.

"It's a nice improvement." McGonagall nodded, unlike Earth, this world has fierce monsters, which increases the weight of the steam locomotive to a certain extent, but also brings safety.

"Mr. McGonagall, please come with me." Blair walked towards the steam locomotive and boarded the inside of the locomotive, with McGonagall following.

Blair opened the bottom from the inside of the carriage, pointed to a formation drawn with intricate lines below, and said: "You see, this is an anti-gravity magic array that we have added to the bottom of the steam locomotive, this formation is often used by street magicians to perform levitation magic, we want to borrow this formation to make the steam locomotive achieve the effect of suspension, so that the steam locomotive can run faster." ”

"Anti-gravity magic array? Isn't this an otherworldly version of the maglev train? Magic levitation train? McGonagall's eyes lit up, such a high-end magic array only needed such a small formation to complete, and five black stones were inlaid at the nodes of the lines, which should provide energy for the magic array.

The leap from a steam locomotive to a maglev train, which ignores the basic laws of scientific and technological development, makes McGonagall can't help but raise her eyebrows.

"But we have encountered a very difficult problem in practical use, the suspension formation can indeed make the locomotive achieve the effect of suspension, but we can not let it continue to run on the track steadily, as long as the track has a slight deviation and curve, the locomotive will derail and roll over, we have studied this problem for many days, and still have not found a solution." Blair looked up at McGonagall, scratched his head, and said, "Mr. McGonagall, I wonder what you think?" ”

McGonagall touched her chin and thought for a moment, "Can you let the train move and let me see?" ”

"Of course." Blair turned around and ordered the train to start.

McGonagall got out of the car and stood a little farther away.

The steam locomotive started much faster than the last time, and it should have been improved in terms of starting.

A white mist of water erupted, and the steam locomotive began to start.

At the same time, the anti-gravity magic array was also activated, and the second half of the steam locomotive seemed to be grabbed by a giant hand and slowly lifted up, except for the four wheels at the front of the locomotive, the rear wheels were almost suspended from the rails, showing an inclined angle as a whole.

"Whew-"

With a long roar, the steam locomotive started and drove forward, like a train carried by a hand, running forward briskly, the starting speed and travel speed were obviously much faster than the last test run, and much faster than the ordinary steam locomotive.

McGonagall's eyes showed a hint of thought, and she already had a rough idea of the steam locomotive that was visibly shaking in motion.

There was a very small curve in front of the track, and the steam locomotive began to slow down before making the curve, passing the curve at an extremely low speed, but the body still showed a noticeable tilt, and the tail showed signs of derailment.

However, the test driver should have summed up a lot of experience in overturning, and succeeded in stabilizing the train and slowing down by virtue of the speed reduction.

"You've done a lot of track laying progress, right?" McGonagall asked, looking at Blair.

"Yes, about a third of it is done so far." Blair nodded, not quite understanding why McGonagall suddenly asked this.

"In this case, the track cannot be changed, only on the train." McGonagall nodded, walked towards the steam locomotive parked at the end of the track, and said, "Please give me a pen and paper." ”

"Okay." Blair took the pen and paper from his assistant and quickly followed.

McGonagall walked around the steam locomotive, checked the wear and tear of the four wheels in front of the tracks, carefully inquired about the parameters of the steam locomotive, took the pen and paper in Blair's hand, and began to sketch and calculate on the paper.

"I heard that he is a chef, does he really know how to design?"

"This steam locomotive was designed by him, do you think people understand it?"

"But just look at it casually, can you really solve the problem that the train can't turn? We've been studying all night for so many days and thinking of so many solutions, but we haven't been able to solve it. ”

Other engineers watched from the side, and some couldn't help but mutter, with a little doubt.

McGonagall only raised an eyebrow as she listened to the engineers muttering, but didn't respond.

"Judging from the current situation, I have drawn all the places that I personally think can be improved, and you can take a look at them as a reference."

After about ten minutes, McGonagall stopped writing, handed the three sketches directly to Blair, then glanced at her watch and smiled, "I'm going back to cooking." ”