Kankakee Valley Post, Volume 19, Number 6, DeMotte, Jasper County, 7 January 1949 — Jet Aircraft Paint Test [ARTICLE]
Jet Aircraft Paint Test
A steel ball, dotted with paint and spinning in a centrifuge at 1,800 miles an hour, tells navy engineers how well the paint will stick on new jet aircraft. The ball reaches a speed of 2.4 million revolutions a minute in the test. When power i s cut off, it travels around for a week before coming to a dead stop.
