11-22-2018, 11:34 AM
I was surprised to learn that this technology was already being used in some space-programs.
Cheers Sky.
Cheers Sky.
Edith Head Gives Good Wardrobe.
A silent no moving parts aircraft
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A silent no moving parts aircraft - by 727Sky - 11-22-2018, 05:31 AM
RE: A silent no moving parts aircraft - by BIAD - 11-22-2018, 11:34 AM
RE: A silent no moving parts aircraft - by 727Sky - 11-23-2018, 11:20 PM
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