[GreenKeys] The most annoying part of Teletype restoration.

[W2HX]

Maybe dental floss

From: greenkeys-bounces at mailman.qth.net <greenkeys-bounces at mailman.qth.net> On Behalf Of Clay Archer
Sent: Friday, December 18, 2020 3:49 AM
To: 'Ralph Irish' <w8roi at wowway.com>; w9ddd at tapr.org
Cc: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] The most annoying part of Teletype restoration.

I would lace it up with waxed string.  That was a common way of dressing wires, especially on military electronic equipment.    This would let you see the multi-colored wires where it would be hidden with the spiral tubing.  If done correctly it looks really cool.

From: greenkeys-bounces at mailman.qth.net<mailto:greenkeys-bounces at mailman.qth.net> [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of Ralph Irish
Sent: Thursday, December 17, 2020 3:11 PM
To: w9ddd at tapr.org<mailto:w9ddd at tapr.org>
Cc: greenkeys at mailman.qth.net<mailto:greenkeys at mailman.qth.net>
Subject: Re: [GreenKeys] The most annoying part of Teletype restoration.

John

Unless one is shooting for 'authenticity' in the looks inside one of their 28 Teletype Cabinets,
I think that the 'spiral wrap' is a great idea.  It would be perpetually 'flexible' compared to
anything that would clean the surfaces of the tubing now in use.  If I were in the process of
'rehabing' any 28 whose LESU cables were 'extra stiff', and very dirty, the 'spiral wrap' idea
would take 'top choice'.

Think in 5 and 10 year increments:  Where will my Model 28ASR be in five years?  Ten years?  No
way to really know, and the 'spiral wrap' would be just as easy to work with then as now, if it
were to be implemented.

Just a thought here from one of the 'older' G/K people.

Thanks for your hard work and contributions to the G/K network.

73,

Ralph

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On Dec 16, 2020, at 8:08 PM, w9ddd at tapr.org<mailto:w9ddd at tapr.org> wrote:

I just spent  the better part of two days removing unneeded modifications to a 28 KSR cabinet and LESU.  The greasy stuff that 'grows' on the surface of the tubing attracts dirt like an magnet or turns white. Then some of the tubing gets brittle as it ages.  So nothing wants to  bend where it needs to go when flipping the LESU.

The tubing on a small bundle of wires for was so brittle I ended up being able to remove it by cracking it in several places.

With the dirt that was on the tubing, my hands ended up dirtier than the time I changed the timing chain on a Mopar 318.

So what techniques  have folks used to fix these problems in a way the looks authentic.
I could see using a spiral wrap, but that wouldn't look right.  Using new tubing more closely matching original almost guarantee needing to remove connectors.

Ideas?


John, W9DDD


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