[ARC5] Brass Tubing

[AKLDGUY .]

Any success with heating the tubing to expand it, then sliding on while hot?

73 de Neil ZL1ANM


On Wed, Aug 27, 2014 at 9:54 AM, Kenneth G. Gordon <kgordon2006 at frontier.com
> wrote:

> On 26 Aug 2014 at 17:38, Geoff wrote:
>
> > What about copper water tubing for refrigerator ice and cold water? While
> > copper isnt as strong it is thicker and can be annealed for hardness.
>
> The walls of 1/4" copper tubing are too thick: it won't fit over the
> spline,
> unless you mill it out to very thin, then its too weak.
>
> Brass tubing has very thin walls and after slotting the ends of a piece of
> 1/4"
> brass tubing, it can be easily driven over the tuning spline and will grip
> very
> tightly. As you drive it onto the spline, it expands just enough.
>
> The tuning spline is almost exactly 1/4" in OD.
>
> I've tried just about every other type of tubing.
>
> Brass is the only one that worked well for me.
>
> Ken W7EKB
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