Re: Similar contrails photographed in England.


Message posted by DaveB on November 21, 2002 at 17:12:16 PST:

I'd suspect that there is a change in the vortex during a turn. I've never heard of slowing one engine during a turn.

BTW, I've been following this thread, and the other, and can't really find anything unusual about these contrails. I see similar ones here quite often and I doubt if anyone is testing exotic engines in the skies of Houston. Also, winds aloft aren't steady; there often are small anomolies - wavelets - that can cause these "donuts" in the otherwise smooth contrail.

-
Dave


In Reply to: Re: Similar contrails photographed in England. posted by gary on November 20, 2002 at 23:46:36 PST:

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