DEC Computer Lab for sale

[Mike Stein]

What's the length and the diameters at each end of the pin? I've got some
cables for Burroughs patch panels that might be useful.

On Sun, May 30, 2021 at 3:40 PM Vincent Slyngstad via cctalk <
cctalk at classiccmp.org> wrote:

> On 5/30/2021 10:54 AM, Ethan Dicks wrote:
> > On Sun, May 30, 2021 at 11:42 AM Vincent Slyngstad via cctalk
> > <cctalk at classiccmp.org> wrote:
> >> https://so-much-stuff.com/pdp8/computerlab/computerlab.php
> >> The photos get a little bigger if you click them.  Those bits of stamped
> >> brass or whatever they are made of were probably pennies each.
> >
> > I've thought about what it might take to manufacture a pair of steel
> > rollers that could stamp those out but I haven't gotten very far with
> > it.  Same idea for the backplane bus strip DEC used to sell on the
> > roll.
> >
> > Depending on level of detail, either a small CNC or possibly a wire
> > EDM could make the dies.
>
> I thought about machining a ram to deform an existing modern pin (or
> even just tubing) to create the taper.
>
> I also tried to cast some out of solder, but they had bubbles and were a
> little too soft (tin-lead solder).  Also, with a solder connection you
> really need a good strain relief.  At some point it's too much work for
> what you're accomplishing (and still not very authentic).
>
>         Vince
>