8 inch floppies

Eric Dittman dittman at dittman.net
Mon Dec 16 11:02:16 CST 2019

On 12/13/19 8:42 PM, Chuck Guzis via cctalk wrote:
> Believe it or not, the "flippy" was actually patented in 1974.
> US3932895A
> ...and let's not forget the 3" CF2 diskettes--designed to be flippies
> right fron the get-go.
> BASF certainly marketed 5.25" flippies:
> https://cdn.instructables.com/FWP/3D0Z/GXL5XZ3U/FWP3D0ZGXL5XZ3U.LARGE.jpg

I have two Aerocomp flippy drives.  They have two index sensors and
two write protect sensors so the disk doesn't need to be punched.  They
were in external cases with a system I bought and when I opened them for
inspection before use I noticed the extra wires and sensors.
Eric Dittman

More information about the cctech mailing list