Re: Daisywhell typewriter emulating a TTY

[Chuck Guzis via cctech]

On 4/10/19 11:29 AM, Fred Cisin via cctech wrote:
> On Wed, 10 Apr 2019, Chuck Guzis via cctech wrote:
>> Aw, that's too bad!  The original Model I (CADET) 1620 had a console
>> typewriter (was it based on the IBM Model B electric?) that gyrated
>> enough, particularly on carriage returns, that made you wonder if it was
>> going to fly to pieces at any time.  It was all part of the experience.
> 
> Immaculately maintained equipment, such as at the CHM, also doesn't have
> the burnt oil smell that used to be associated with real world EAM.

Or the grime--such as replacing a shredded ribbon on a line printer.

Or roaches and mice under the raised floor...

--Chuck

Re: Daisywhell typewriter emulating a TTY

[Fred Cisin via cctech]

On Wed, 10 Apr 2019, Chuck Guzis via cctech wrote:

Aw, that's too bad!  The original Model I (CADET) 1620 had a console
typewriter (was it based on the IBM Model B electric?) that gyrated
enough, particularly on carriage returns, that made you wonder if it was
going to fly to pieces at any time.  It was all part of the experience.


Immaculately maintained equipment, such as at the CHM, also doesn't have 
the burnt oil smell that used to be associated with real world EAM.

Re: Daisywhell typewriter emulating a TTY

[Chuck Guzis via cctech]

On 4/10/19 10:35 AM, Dave Babcock via cctech wrote:
> To all,
> 
> The Computer History Museum's IBM 1620 Jr. project has already done
> this.  We have converted an IBM Wheelwriter 1000 electric typewriter
> into a computer terminal.  The conversion consists of a custom PCB with
> an Arduino Teensy 3.5 microcontroller which is physically installed in
> the typewriter, electrically in-between the keyboard and typewriter
> motherboard, with custom firmware.


Aw, that's too bad!  The original Model I (CADET) 1620 had a console
typewriter (was it based on the IBM Model B electric?) that gyrated
enough, particularly on carriage returns, that made you wonder if it was
going to fly to pieces at any time.  It was all part of the experience.

What did you do about the 1620-specific keys?  I don't think that record
mark or R-S was a keytop legend ona Weheelwriter...

--Chuck

Re: Daisywhell typewriter emulating a TTY

[Dave Babcock via cctech]

To all,

The Computer History Museum's IBM 1620 Jr. project has already done 
this.  We have converted an IBM Wheelwriter 1000 electric typewriter 
into a computer terminal.  The conversion consists of a custom PCB with 
an Arduino Teensy 3.5 microcontroller which is physically installed in 
the typewriter, electrically in-between the keyboard and typewriter 
motherboard, with custom firmware.


The initial work was to create a robust substitute for the IBM 1620's 
console typewriter.  However, software changes are being completed this 
month to extend it into a general-purpose, easily-adapted, ASCII 
teleprinter.


We demoed the device as part of our VCF West display last August at 
which we took 1st Place in Best of Show and 2nd Place in 
Restorations/Replicas.


We will be making all of our design files, software, and documentation 
available free to the classic computer community.


To whet your appetite, here's the step-by-step, illustrated guide for 
the physical conversion of the typewriter:

https://github.com/IBM-1620/Junior/raw/master/docs/wheelwriter-adaptation-instructions.pdf

We'll be posting a formal announcement of this device within a few months.

This work has been done by Joe Fredrick, Steve Casner, and myself.

Thanks,
Dave


On 4/10/2019 9:24 AM, ED SHARPE via cctalk wrote:
I  remember  in '79   a  KSR  Diablo  was  the  dream  KSR  printing  
terminal  and   cost  like   3 grand? Oh  how  we  used  to  dream of 
having one of these  back then!


We  do have  one in the museum's  collection...  although   have not 
attempted to power up  to use.

Ed#

In a message dated 4/10/2019 8:40:58 AM US Mountain Standard Time, 
cct...@classiccmp.org writes:

On 4/10/19 8:16 AM, Jon Elson via cctalk wrote:

On 04/10/2019 03:38 AM, GerardCJAT via cctalk wrote:

I would like to emulate a TTY, using a daisywheel typewriter.


Well, there are Qume and Diablo.  Diablo was bought by Xerox, so some of
them carry that label.
Most of the stand-alone versions had serial (RS-232) ASCII interface.

I've given a couple of the Diablo KSRs (that's what the Hitypes with the
keyboard were known as).  I didn't care for them much--no immediacy of
sound and keypress--the two seem unrelated.

Daisywheel printers are incredibly difficult to get rid of--nobody wants
to pay shipping.  I got rid of the last one by throwing in a complete
system with it.  Still have a NEC Spinwriter mouldering away.

--Chuck