28 Jan
2008
28 Jan
'08
2:33 p.m.
I beleive that
is the case. I've never actually seen the HP9871, but I've
read the service manaul (excellent) on hpmuseum.net.
Interesting - I don't think I've seen a belt like that (at least not where the
"non-rung" parts are open). I've seen ones with 'guide rails' in
flatbed
scanners and the like, of course, but not with actual gaps between the belt's
teeth (which I think is what's implied here)
I wonder if anyone's ever managed to make rubber widgets in the home workshop?
I don't mean things like repairing tape drive wheels using heatshrink tubing,
but actually making the bits from scratch using some form of solution / heat /
drying / vulcanising process. Probably a horrible trial-and-error experience,
and maybe impossible, but I've not come across anyone who's even attempted it...
There are 2-pack compounds that cure to form elastomers. The one I've
heard of, but never used, is called Devcon 90. You mix the 2 parts, pour
it into the mould, and leave it overnight. Once mixed, you have 30
minutes or so to use it.
The problem is that you're supposed to mix and use the entire pack in one
go, and the pack costs about \pounds 30.00. You also need a mould release
agent and a primer (if you want the ruber to stick to anything, say you
want a make a wheel on a metalhub). This gets expensive fast. I am told,
though, you can mix part-packs (stir it well, and wieght out part of it),
but once opened the shelf life of the _unmixed_ stuff is only a couple of
months ar most.
Mind you, I don't fancy tring to make a mould for this ladder belt.
-tony