olivetti programma 101 repair

[Bob Vines]

On Wed, 07 Jan 2015 23:41:59 +0100, Simon Claessen wrote:
>
> well,
>
> Good news always has some bad news as well. After careful examining of
> the 952 (no, not 850...) pins, I found 52 broken ones. As they are made
> of a gold plated springy metal wire, I needed to find a replacement.
> Size: 0,5mm diameter.
>
> Guitar wires are out. They are way to flexible. I opted for fosfor
> bronze wire, but could not find it in the shops in Amsterdam. Then I
> stubled upon a shop selling beads and stuff to make bracelets and
> earrings. They sell "memory wire", A very tough silver coated wire of
> 0.6mm. I have no idea what the alloy is, but the mechanical
> characteristics are not bad.
>
> The first clip I made fitted surprisingly good. now to find some time to
> bend another 51...
>
> Oh well.
>
[snip]

Simon,

"Memory wire" is also known as Nitinol, a nickel-titanium alloy
<http://en.wikipedia.org/wiki/Nickel_titanium>.  The Wikipedia page
might give you the characteristics you may need.


Bob