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Science

ROB-ROX

(767 posts)

3. WONDERFUL

Reply to DetlefK (Original post)

Tue Jul 9, 2019, 03:41 PM

Jul 2019

These two videos demonstrate the effects of progressive thinking to expand and improve aviation. I wonder why the good old boys have not followed up on these innovations versus looking for the big bucks? Only in the future will know if these innovations will be utilized by the aviation industry to improve a stagnate industry stuck in the last century..........

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4 replies

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Highlight:

The Flettner-rotor: "How to build an airplane without wings." [View all] DetlefK Jul 2019 OP

That is neat Timewas Jul 2019 #1

I would like to learn more about this. James48 Jul 2019 #2

WONDERFUL ROB-ROX Jul 2019 #3

The energy efficiency is probably quite terrible caraher Jul 2019 #4