Another thing I would like to redo on my HP-85 is the restoration of the
capstan for the tape drive - those invariably go bad
I previously used two types of materials heat shrink - which is a little hard - and silicone
tubing which is a little soft. Also previously I had extended the capstan
for use with QIC tapes by making a more complicated part reducing the
original capstan and sliding an extension over it. I'm trying a simpler method I'll just
make it a pill shaped thing to put it right over an un- modified
capstan and see if the rubber can hold it in place. That will add two
millimeters which is about what you need.
I keep running into reliability problems. The extended capstan works fine and works good with
the rubber on it, but eventually the rubbers slides off one direction or
another and I lose it after a while. I was trying to go to another solution and
put an O-Ring for which I need to make a little groove in there.
So I took the capstan and then the optical disc assembly off the motor and put a pin on
it so I can put in the lathe try to add a grove
It's on days like these that I really cherish my lathe. I would have been stuck without it.
I am running a test to copy your entire diskette to tape and I
found that to be a tougher test
than HP's own tests. If that passes there is a good chance that I have repaired
my drive. When both are lit it is copying This is taking forever see you later
I was finally able to copy this very interesting game, which I could never copy before without a file error on such a long file
It' s called "Golfer"
Putt
All right, I have made a par 4 in 5 strokes. Says right here.
OK, that was worth repairing the tape...