Re: [NTLK] up in the sky

From: Mark Bock (
Date: Sat Jun 22 2002 - 19:02:24 EDT

>BTW, on the SR-71, the airflow into the engines is always subsonic --
>even while the aircraft is flying at Mach 3+. Designed using a slide
>rule, in the late 50's. Pretty darn awesome! :-)

Yep, turbojets require subsonic airflow to run, hence the SR-71's
huge inlet spikes, designed by Ben Rich. For a fascinating account of
the SR-71's development (as well as that of the U2 and the F-117),
read Rich's book, "Skunk Works: A Personal Memoir of my Years at


. . . . .
mark bock

"A youth who can't hit a cathedral at thirty yards with a Gatling gun in three-quarters of an hour, can take up an old empty musket and bag his grandmother every time, at a hundred." --Mark Twain

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