[GreenKeys] A little Kleinschmidt help needed

[Steve Garrison]

Well, that should work as well.  Still less work to reverse two wires!

Steve G./N4TTY
Sent from my iPhone

> On Nov 22, 2017, at 7:34 AM, Dave Wade <dave.g4ugm at gmail.com> wrote:
> 
> Pretty sure you could just put a small bridge rectifier on the end of the
> line. I think even 1N4003/4/5/6/7 would switch quickly enough...
> 
> Dave
> G4UGM
> 
>> -----Original Message-----
>> From: greenkeys-bounces at mailman.qth.net [mailto:greenkeys-
>> bounces at mailman.qth.net] On Behalf Of Steve Garrison
>> Sent: 22 November 2017 10:44
>> To: Bruce Gentry <ka2ivy at verizon.net>
>> Cc: GreenKeys at mailman.qth.net
>> Subject: Re: [GreenKeys] A little Kleinschmidt help needed
>> 
>> Not to my knowledge Bruce.  But it is pretty simple to get hooked up
> right.
>> I've done it thousands of times.  If it runs open when it should be
> running
>> closed just reverse the signal lines.  Then make a note of which terminal
> has
>> which color wire.  If you lose the note or the wires are both the same
> color,
>> as they were on a spool of field wire, you only have to try two ways.  So
> you
>> have a 50/50 chance of being right the first time.
>> 
>> Steve G./N4TTY
>> Sent from my iPhone
>> 
>>> On Nov 21, 2017, at 11:52 PM, Bruce Gentry <ka2ivy at verizon.net> wrote:
>>> 
>>> I am working on getting a radio hut with Collins URG equipment in it
>> working. The TTY gear is all Kleinschmidt- a KSR, TD, and reperf. They all
> work
>> but certainly need cleaning and oiling. The KSR, however, is sensitive to
> the
>> polarity of the loop current. The selector magnets use a permanent magnet
>> instead of a spring, so the wrong polarity will cause the printer to "run
> open"
>> even with current flowing. Is there any setup or adjustmen that will allow
> the
>> loop current to flow in either direction, like a model 15 or 28? Is there
> a
>> selector magnet available using a spring instead of the magnet?
>>> 
>>>    Bruce Gentry, KA2IVY
>>> 
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>