In recent days we hear more about the success of the electric powered planes. I would like to make some suggestions to the designers. There are many coastal regions where air and sea transportations are advantageous over the land. For such regions an electric plane with multiple wings can be a feasible option.
Multiple wings with high aspect ratio have a very high lifting capability. For drone cargo planes range is critical. High lifting capability would enhance the range of such planes. Large surface area of the wings allows ideal storage space for thin polymer batteries. Large surface area and direct contact with air, allows passive cooling of the batteries compared to active cooling that consumes power. Additionally, there would be more storage space inside the body of the plane.
High-lifting capability also allows the plane to take-off from much shorter runways. An extension on the existing harbor would serve as a runway for such planes. Additionally, off-shore wind turbines would be utilized to charge the batteries of the plane.
Countries should invest more on coastal infrastructures that utilize the off-shore wind energy. Instead of trying to power utilities thousands of kilometers away.
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