[GreenKeys] The most annoying part of Teletype restoration.

[Richard Knoppow]

    Have a look at the stuff at:
<https://www.mcmaster.com/spiral-tubing/slit-corrugated-sleeving-6/>
    Just today someone posted a question about how to renew 
cracking microphone cables. There isn't any way, when this stuff 
begins to dry out and crack its gone. There is also some sort of 
plastic foam commonly used to line carrying cases that 
disintegrates and can turn to mush. I don't know what it is but 
its a PITA to get cleaned out. Might be a related plastic. At 
least here you can replace the tubing.
    I think the danger of damaging something by replacing the 
connectors makes the appearance less important. I've seen other 
types of flexible plastic split tubing but couldn't find it with 
a Google search. I know its out there, looks a lot like 
continuous tubing.

On 12/16/2020 5:08 PM, 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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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL