After dealing with the affairs of the Kingdom of Dawn, Roland returned to his residence, a manor located deep in the camp.
This place should have belonged to a wealthy businessman. Not only did it have several connected two-story stone houses, but it also had a large front yard and backyard. However, Hermes's turmoil had caused the original owner to disappear, so he used this place as a temporary residence.
Walking into the main room in the middle, Anna was sitting at the table, carefully reading the books he found in the Dream World. Sunlight shone through the window, turning her bangs into a beautiful golden color. At the same time, it left a line of light on the outline of her fair face.
Hearing the noise, she turned her head and asked with a smile, "Is the meeting over?"
"Yes, I've told them everything. Nana and the others have to leave first thing in the morning."
"Soak your feet first." Anna got up and brought a basin of water, put it on the low stool beside the bed, and then bent over to help him take off his shoes and socks. In this era, the leather boots used on the plateau were not only hard, but also extremely airtight. Therefore, every time he returned to his bedroom, the first thing he did was to soak his feet and relax, and then put on a pair of light soft-soled cloth shoes. At first, Roland insisted on doing it himself, but in the end, he could not resist Anna's stubbornness.
"How's the water temperature?" Anna sank the Blackfire into the water.
"A little hotter … Ah, this is just right." Feeling a warmth enveloping his feet, Roland could not help but let out a long sigh.
Not only that, but the Black Fire would also turn into the shape of a ball and press on his insteps and soles like a massager. Finally, it would cover his entire feet and dry off any remaining water.
This kind of life was really easy to indulge in.
"What about you?" Anna sat down beside him. "Are you leaving with Nana tomorrow?"
"No, the other person is Sylvie. Her monitoring ability is irreplaceable for the garrison." Roland held her hand. "Although I can play a role in calming people down, they will have to get used to dealing with problems on their own without me. Besides, the main force of the First Army is not in place, so my role is very limited. When Maggie is done with the two of them, it will be your turn and my turn. "
Since Hummingbird's ability couldn't work on living things, Maggie could only carry around two people at a time. The number of people that could be carried depended on the weight of the passengers. Lightning could also carry one person on her back, but the altitude would be greatly reduced. Basically, she could only fly close to the treetops. It was fine for emergencies, but it was too unsafe for long-distance voyages.
It was a long journey from Hermes to Neverwinter. Even if Maggie could continue flying after sunset and did not have to spend time looking for food every day, it would still take her nearly three days to reach Neverwinter. He could only transport the witches in batches according to the urgency of the situation.
Fortunately, the army would gradually advance south along the river, and the interval between each batch of personnel would be shortened accordingly.
"It would be great if there was a faster transportation method." Anna raised her head. "For example, a machine that can fly in the sky."
"That's not easy, unless —" Roland wanted to say that it was impossible to build a real aircraft without an internal combustion engine, but an idea suddenly flashed across his mind and he subconsciously changed his words. "Wait, maybe it's not impossible."
"How should we do it?" Anna's lake-blue eyes suddenly sparkled.
"Using Vendy's and Mystery Moon's abilities," Roland said thoughtfully. "If it's just for carrying people... it might work if we combine the two!"
This was also the inspiration he got from Maggie's bombing plan. If they did not pursue mass production or versatility, the witches' ability could be equivalent to that of a machine in many ways.
After three years of accumulation, Neverwinter now had lightweight aluminum, an Arithmetic Academy that could perform large-scale calculations, and a central carrier for verifying results. Therefore, a glider without power, or in other words, with weak power, was not an unattainable goal.
Of course, the most important thing was Vendy's wind-controlling skill and the electric motor of Dawn I.
To put it simply, the reason why a plane could fly was that the engine provided the backward thrust, so that the wings could move forward against the wind, and the air pressure difference between the upper and lower parts of the wings could be used to obtain lift force.
According to the current technology in Neverwinter, the power of an electric motor was far from enough to pull up a plane, but he did not need to obtain lift force from the movement. Vendy's wind could directly act on the "air pressure difference" below the wings. The electric motor only needed to provide a portion of the horizontal force, just like how Lightning adjusted the direction of a bomb in the air. She only needed to apply a small force, and the plane could soar into the air.
"In order to obtain an efficient hovering ability, its wings should be as long as possible." Roland became more excited as he recalled the appearance of the gliders in his previous life. "But to maximize the lift force before take-off, it must have a wide wing root that can cover the entire range of Vendy's wind-controlling skill. And... "
A well-designed glider could use thermal airflow to increase the gliding distance. However, in Neverwinter, the witches could provide upward airflow at any time, which meant that as long as the magic power was not exhausted, it could fly forever.
In other words, as long as a runway was built at the destination, the glider could carry 10 or more people at once. Even the slowest glider had a speed of more than 200 kilometers per hour, which was almost three times the speed of Maggie after transforming into a Devilbeast. It could reach any city in Graycastle within a day.
Of course, whether it was the prototype manufacturing or the pilot training, it was a step-by-step process. Even if they started now, by the time they could fly, the witches and the First Army would have already returned to Neverwinter.
However, this idea still excited them for a long time. Flying had always been the biggest temptation for humans who were born and died on the ground. Unlike the clumsy hydrogen balloon, the glider could truly soar with the wind.
If Edith could surprise Roland in terms of governance, the only one who could communicate with him on the same level in terms of technology was Anna.
"By the way," she carefully put away the results of the discussion and the model sketch. "Did you hear any good news in today's meeting? You haven't been so relaxed since you received the letter from Neverwinter. "
"Sort of." Roland smiled and briefly told her about the private meeting with the Pearl of the Northern Region.
When she heard Edith's reason, Anna could not help laughing.
"What's wrong?" Roland asked curiously.
"I want to say that she's a little too confident in everyone. Learn everything you've taught them? It's already difficult to learn advanced mathematics, not to mention physics and chemistry... "Anna made a face." I don't think I can understand all those orange books even if I spend 100 years. "
"Haha." Roland also laughed. "There are many books like this in the Dream World."
"And I don't think the world will be like what she said."
"Oh? What do you think it will be like? "
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