Just as Lynn had expected, the stringent requirements did not frighten Lydia away. Instead, they filled the halfling girl with fighting spirit, and she began studying the blueprint with great seriousness.
After learning that the airship required lightweight yet tough materials, Lydia immediately suggested using Camel Beast Leather that had been soaked in water and then dried to make the airship's gas bag. The material was highly suitable and was commonly used for the sails of large warships.
On the Sea of Mists, the sails of the warship they had traveled on were made from Camel Beast Leather. No matter how fierce the storm, it could not destroy them. They were extremely durable and reliable.
The gas bag's frame could be made from the branches of a Magic Paulownia Tree, which had high tensile, compressive, and bending strength...
Lydia went on and on. She was far inferior to Lynn in the field of Flying Machine design, but she knew the properties of all kinds of materials in this other world like the back of her hand.
Lynn silently did some calculations. If they used all the materials Lydia had suggested, the airship's performance would definitely improve considerably, but its cost would also become exorbitant.
It would require at least a hundred Magic Gold Coins...
Thinking of his meager savings, Lynn could not help coughing twice, interrupting the girl. "This airship is only an experimental version. There's no need to use such good materials. Something decent will do!"
"How could that be? This is the first airship capable of flying and turning in the sky." Lydia spoke with longing in her eyes.
"I can only give you twelve Magic Gold Coins as a deposit for now." Lynn spoke somewhat helplessly as he took out a money pouch. This was one of