Message posted by Smythers (Member since 01/10/2010) on March 05, 2023 at 9:25:39 PST:
Adroit aerosystems-They got the toroidal vortices that you are seeking
In Reply to: Donuts-on-a-Rope contrails were made by SR-71s posted by Vahe Demirjian on March 04, 2023 at 19:07:48 PST:
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