[ARC5] Bowden tuning cables problem

Mike Hanz aaf-radio-1 at aafradio.org
Tue Mar 26 10:47:39 EDT 2013


That's an excellent suggestion. Corrosion certainly reduces the 
extensibility of the outer sheath.

BTW, I find that the U. S. usage of the term "Bowden cable", at least in 
the U. S. military manuals, seems to apply only to push/pull 
applications like throttles and remote switching (the ARB radio 
operator's control box switch comes to mind), rather than torsional 
applications like tuning.  Has anyone else noticed this?  Perhaps the 
divergence comes from the rotary cable design generally following the 
seminal work by S.S. White in 1911 on the Ford speedometer?  Maybe it 
ought to be called the White tuning cable?  It's one of those endless 
speculation issues, I suppose.

  - Mike

On 3/26/2013 9:50 AM, J. Forster wrote:
> Mike Hanz has info on the spline attachment on his AAF radio pages, but
> before you start chopping them up try this.
>
> Oil the OD thoroughly with light mineral or automotive oil and flex the
> thing all along the length. Then do the same thing while pulling on the
> sheath. You might be surprised by how much the thing lengthens. If this
> does it, wipe the oil off and enjoy.



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