[cctalk] Re: Age of Tape Formats?

[Paul Koning via cctalk]

> On Mar 10, 2023, at 2:30 AM, jim stephens via cctalk <cctalk@classiccmp.org> 
> wrote:
> 
> 
> 
> On 3/10/23 00:16, Chuck Guzis via cctalk wrote:
>> I believe that this photo shows a Datamatic 1000 tape next to a standard
>> 1/2" drive.
>> 
>> https://i.pinimg.com/564x/00/3e/7d/003e7d4e3a2478db0b9a7c94f2033252.jpg
>> 
>> --Chuck
>> 
> Hub size looks small on the 1/2" for later style tapes.  2" tape?  I wonder 
> if that was linear?  Had to have impressive motors.

Early on the hub specs tended to vary.  For example, the EL-X1 10-track 1/2 
inch tape uses 1/2 inch instrumentation type reels (same as professional audio 
reels) which have a bigger hub than the later standard 1/2 inch tapes, with 3 
notches.

        paul