How about start some market research here with a thread/poll of how much people would spend on an inflatable boat tail? Would be interesting.
If it increases FE 15% It might pay for itself quickly. Working backwards from the results you could figure out the production cost target you would need to be profitable.
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Vortex generators are old tech. My new and improved vortex alternators are unstoppable.
"It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.
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