On 11/03/2016 21:22, DaveC wrote:
Oh, smarter-than-I people,

http://imgur.com/WPEoOu1

The 2 belt-drive capstan flywheels in an auto-reverse cassette mechanism are
different sizes. (Motor drive pulley will be in the small loop end of the
belt in illustration above.)

How does that result in the same tape speed in both directions?

Confused...


Aiwa AD WX888 , 1997,I worked on once, spindle to one capstan 2.49mm
diameter and the other 2.69mm