[GreenKeys] teletype safety
scottjohnson1 at cox.net
scottjohnson1 at cox.net
Thu Jun 25 19:31:31 EDT 2026
It is good design practice to place bleeder across start and run caps. I am surprised they aren't there, my 28ASR has a bleeder across the run cap.
-----Original Message-----
From: greenkeys-bounces at mailman.qth.net <greenkeys-bounces at mailman.qth.net> On Behalf Of Jim Johnson via GreenKeys
Sent: Thursday, June 25, 2026 9:27 AM
To: greenkeys at mailman.qth.net
Cc: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] GreenKeys Digest, Vol 269, Issue 23
I can imagine the motor starter cap may keep a large charge on it. For future troubleshooting, you may want to short the cap terminals to ground. But now you know this. ;-)
Best Regards,
Jim Johnson
Ph#: (317) 695-5676
AD9EX
Sent from my mobile phone
> On Jun 25, 2026, at 12:00 PM, greenkeys-request at mailman.qth.net wrote:
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> Today's Topics:
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> 1. Re: USA 250 TTY Art? (Joe Clanin)
> 2. Teletype safety (David S)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 24 Jun 2026 19:10:10 -0500
> From: Joe Clanin <macbax1 at gmail.com>
> To: "John, W9DDD" <w9ddd at tapr.org>
> Cc: greenkeys at mailman.qth.net
> Subject: Re: [GreenKeys] USA 250 TTY Art?
> Message-ID:
>
> <CAK1UwOYLZvNzhH0A_Zi4vP3TjDw3Cy1VvAGZmpz5N9HOL4EzMg at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> It's so good!
>
> Thank you!
>
> -Joe
>
>> On Wed, Jun 24, 2026 at 9:43?AM John, W9DDD via GreenKeys <
>> greenkeys at mailman.qth.net> wrote:
>>
>> THAT is impressive!
>>
>>
>>> On 6/24/2026 7:29 AM, John Spigel via GreenKeys wrote:
>>> FYI, I punched out another version of the 250th birthday art. Here
>>> are the links:
>>>
>>> https://5bits.net/Holiday/Freedom-250B.png
>>> https://5bits.net/Holiday/Freedom-250B-45.mp3
>>>
>>> 45B,50B,75B and 850 shift are all at https://5bits.net listed under
>>> "Holiday"
>>>
>>> I foresee one more with either a flag or an eagle. Just need a break
>>> for now. Let me know how they print.
>>>
>>> 73, John W1AN
>>>
>>> On 20-Jun-26 19:23, Joe Clanin wrote:
>>>> That's really good, John! Thank you!
>>>>
>>>> Thanks for the suggestion, Nick.
>>>>
>>>> Best,
>>>>
>>>> Joe
>>>>
>>>> On Sat, Jun 20, 2026 at 11:56?AM John Spigel via GreenKeys
>>>> <greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net>> wrote:
>>>>
>>>> Thanks for the suggestions. I'm sure we might come up with
>>>> another one
>>>> or two.
>>>>
>>>> John
>>>>
>>>> On 20-Jun-26 15:10, Nick England wrote:
>>>>> I see rtty.com <http://rtty.com> has
>>>>> https://rtty.internet-tty.net/gallery.html <https://
>>>> rtty.internet-tty.net/gallery.html>
>>>>> Great American Eagle
>>>>>
>>>>> Nick England K4NYW
>>>>> Chapel Hill NC
>>>>> www.navy-radio.com <http://www.navy-radio.com>
>>>>>
>>>>> On Sat, Jun 20, 2026 at 10:31?AM John Spigel via GreenKeys
>>>>> <greenkeys at mailman.qth.net <mailto:greenkeys at mailman.qth.net>>
>>>> wrote:
>>>>>>
>>>>>> Joe, I posted one file on https://5bits.net <https://5bits.net>
>>>> under "Holidays".
>>>>>> 45B,50B,75B and 850 shift are all listed. I will work on
>>>> another. I'm
>>>>>> looking for a good candidate with a USA flag, perhaps. If anyone
>>>> can help?
>>>>>>
>>>>>> https://5bits.net/Holiday/Freedom-250.png <https://5bits.net/
>>>> Holiday/Freedom-250.png>
>>>>>> http://5bits.net/Holiday/Freedom-250-45.mp3 <http://5bits.net/
>>>> Holiday/Freedom-250-45.mp3>
>>>>>>
>>>>>> 73, John W1AN
>>>>>>
>>>>>>
>>>>>> On 14-Jun-26 13:01, John Spigel wrote:
>>>>>>> Joe, I've got a couple old pix I can edit. I'll put on my punch
>>>> list and
>>>>>>> make available on https://5bits.net <https://5bits.net>
>>>>>>>
>>>>>>> Should be available by end of month.
>>>>>>>
>>>>>>> 73, John W1AN
>>>>>>>
>>>>>>> On 11-Jun-26 22:17, Joe Clanin via GreenKeys wrote:
>>>>>>>> Greenkeys,
>>>>>>>>
>>>>>>>> Does anyone have any Bicentennial TTY art that can be
>>>> repurposed for
>>>>>>>> the 250th?
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>>
>>>>>>>> Joe
>>>>>>>>
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>>>> <mailto:GreenKeys at mailman.qth.net>
>>>>>>>>
>>>>>>>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool: https://
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>>>>>>>>>>> greenkeys/greenkeys.html
>>>>>>>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://
>>>>>>>>>>> comcents.com/tty/greenkeyssearch.html <
>> http://comcents.com/
>>>> tty/greenkeyssearch.html>
>>>>>>>>
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>>>> pipermail/greenkeys/
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>>>> archive/greenkeys/greenkeys.html <http://mailman.qth.net/archive/
>>>> greenkeys/greenkeys.html>
>>>>>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://
>>>> comcents.com/tty/greenkeyssearch.html <http://comcents.com/tty/
>>>> greenkeyssearch.html>
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>>>> greenkeys.html>
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>>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool:
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>>>>>> 2002-to-present greenkeys archive:
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>>>>>> 1998-to-2001 greenkeys archive:
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>>>>>> http://comcents.com/tty/greenkeyssearch.html
>>>
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>>> w9ddd at tapr.org
>>
>> --
>> ---
>> ----
>> The above comments or recommendations are SWAG. Use at your own risk.
>>
>> John, W9DDD
>>
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>>>>> Jordan Spencer Cunningham's GreenKeys Search Tool:
>> https://teletype.net/gksearch
>>>>> 2002-to-present greenkeys archive:
>> http://mailman.qth.net/pipermail/greenkeys/
>>>>> 1998-to-2001 greenkeys archive:
>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
>> http://comcents.com/tty/greenkeyssearch.html
>>
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>> email list: http://www.qsl.net/donate.html Message delivered to
>> macbax1 at gmail.com
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> ------------------------------
>
> Message: 2
> Date: Wed, 24 Jun 2026 20:59:36 -0500
> From: David S <david at stickelman.net>
> To: greenkeys at mailman.qth.net
> Subject: [GreenKeys] Teletype safety
> Message-ID: <6db9a8f7-7043-42a4-9340-a266dbd303e7 at stickelman.net>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
> I got zapped today, fortunately I didn't wound/burn myself, but it did
> remind me these machines were made in a different era.
>
> When working on my machines, I am very aware that they should be
> unplugged given the large number of exposed points you could
> potentially touch.? I keep it part of my mental checklist to
> explicitly check power is disconnected before messing around with
> anything below the paper feed.? On my M28 wall mount, there is
> fiberboard covering the connections on the LESU, but there are spots
> here and there that would probably be dangerous. Fortunately, I did
> have my machine unplugged or my zap would likely be much worse (I assume up to and including the worst).
>
> My motor reset switch keeps randomly tripping from time to time
> despite replacing the starting capacitor - Model 28 startup motor trouble ?
> Stickelman.net
> <http://stickelman.net/index.php/2026/06/19/model-28-startup-motor-tro
> uble/>
>
> Thinking I might be able to reach this reset switch from the underside
> (rather than taking it apart to reach it), I poked around from
> underneath and must have hit a lead going to a capacitor (likely the
> starting cap) when I got zapped.? I should have known this would be a
> hazard, but I didn't really think of it until now.
>
> So for those that are new to teletypes be aware they will bite pretty
> hard even when unplugged if you touch the wrong thing.
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> End of GreenKeys Digest, Vol 269, Issue 23
> ******************************************
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>>> 1998-to-2001 greenkeys archive:
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>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
>>> http://comcents.com/tty/greenkeyssearch.html
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