The Mudcat Café TM
Thread #92503 Message #2332880
Posted By: Tootler
04-May-08 - 05:57 PM
Thread Name: Tech: How fast does a CD spin?
Subject: RE: Tech: How fast does a CD spin?
My father told me that during WWII, he once saw an aircraft gyroscope come off its mountings and punch a hole in several inches of concrete during a test run.