[GreenKeys] My Introduction

[John, W9DDD]

Re-reading this in broad daylight and wondering how the comment about 
tape gear got in this email.  I guess I got interrupted and the brain 
was elsewhere when I got back.

Sorry about that.

John, W9DDD

On 3/5/2019 9:14 AM, John, W9DDD wrote:
> Welcome Mike,
> 
> At least it appears you didn't lose your collection during a move like I 
> did.  I'm starting over.  Having fun in spite of hitting a few stumps. 
> Just a 28KSR with some sort of brown dirt on it and cabinet rust.
> 
> I wasn't thinking of adding tapr gear to the  collection, but then I saw 
> the amazement and curiosity of some nieces and nephews over the week 
> end. Paper tape as data storage is part of the history.
> 
> John, W9DDD
> 
> On 3/4/2019 10:42 PM, Mike Arrington wrote:
>> Hello,
>>
>> I’d like to introduce myself. I’m Mike Arrington. I’ve been a member
>> of Green Keys for several months now, lurking and going through the
>> archives.
>>
>> Back in the early 1970’s, I purchased the following from an auction at
>> a local university:
>>
>> . Teletype Model 14 TD (2)
>> . Teletype Model 14 Reperforator
>> . Teletype Model 15 Page Printer (KSR)
>> . Teletype Model 28 KSR (parts missing)
>> . Kleinschmidt TT-271/FG and TT-271B/FG (In their boxes as shipped
>> from Tinker AFB)
>>
>> Later adding
>>
>> . IBM 029 Keypunch
>> . Teletype Model 33 ASR
>> . Cincinatti Milacron CIP/200B Minicomputer
>> . Several mechanical and electronic calculators
>> . Teletype ED51ET from an auction site
>>
>> There is much wisdom and knowledge on this list and I’ve tried to
>> absorb as much as I’m capable of. Many thanks to all of you.
>> Additional thanks to Gil for maintaining this list.
>>
>> Much thanks to all the web sites that have documentation on these
>> beautiful machines. www.navy-radio.com has been especially helpful.
>>
>> What am I working on?  For the last couple of months, I’ve been
>> working on the Model 15 KSR, carefully disassembling, cleaning, and
>> oiling, trying not to disturb any adjustments. Last week, I purchased
>> a Heathkit HD 3030 Terminal Interface, mainly for the loop power
>> supply. The Model 15 worked fine locally. I then realized that I could
>> use this with ITTY. It didn’t work. I cleaned up a couple of pots, and
>> aligned the unit using tones generated with Audicity. Now the Mark and
>> Space LEDs were blinking. I hooked it up to the Model 15 and, nothing.
>> I checked the loop power supply. Over 100 mA and constant marking. A
>> transistor had shorted. I replaced that tonight and hooked up the
>> Model 15 and fired up ITTY. The TTY started printing perfectly. It
>> could use a bit of adjustment though. My main problem at this point is
>> rusted, damaged, or missing key caps.
>>
>> I’ve also started working on the Model 14 Reperforator. It’s pretty
>> much glued together. I had this working in the ‘70s, but probably used
>> 3-in-1 oil or WD-40 to lube it. Very bad idea. I’m slowly freeing it
>> up.
>>
>> 73
>> Mike Arrington, KF5IIG
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>>
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>>
> ______________________________________________________________
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> 
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