Posted by AW on February 24, 2003 at 16:42:17:
In Reply to: Re: Re: A question of physics posted by Rick Denney on February 24, 2003 at 12:28:12:
Here is an instrument maker who uses ball bearings in the key action of a flute. It looks to be pretty small and delicate, and probably very easy turning.
Of course, with us tubists being macho types, WE would probably use roller bearings scavenged from locomotives (at least)!
Allen Walker