Side note on this: I managed to format one of these RD54's, then used
the TK70 to boot up BRUSYS from tape and restore a backup of my main
ESDI system TALOS.
RD54's are slower than ESDI. But it does work, and now I have RSXM+
running on two systems with TK70 drives for backup and file exchange
On 2023-02-14 11:02, Chris Zach via cctalk wrote:
I'm finding 5.5 to 6 turns is a pretty solid constant. Try going down
that much on each one, then going 1/2 turn in, 1/2 out, and down in
1/2 increments.
C
On 2/14/2023 10:35 AM, Nigel Johnson Ham via cctalk wrote:
Unfortunately, I had already
I'm finding 5.5 to 6 turns is a pretty solid constant. Try going down
that much on each one, then going 1/2 turn in, 1/2 out, and down in 1/2
increments.
C
On 2/14/2023 10:35 AM, Nigel Johnson Ham via cctalk wrote:
Unfortunately, I had already removed the nut before you warned me about
that i
Unfortunately, I had already removed the nut before you warned me about
that in a previous email. However I did try various adjustments of that
nut with disappointing results. Maybe I will try doing it many
different settings! I did compare it to the position of the hut in a
TK50 and it was a
Looking at my notes I found a similar situation: Tape would not load
properly. Turned the rear nut 1/2 turn in, and it loaded. Then it would
not read, turning the front nut down 1/2 turn allowed it to do proper
reads and restores from an already-written tape.
I think there is an oscilliscope m
No I don't. I just lubricate them. Odd though, did you turn the nut down
the same number of turns and is the capstain dragging on the tape?
C
On 2/13/2023 8:05 PM, Nigel Johnson Ham via cctalk wrote:
Chris, I don't suppose you have the part number for suitable replacement
bearings, do you? I h
Chris, I don't suppose you have the part number for suitable replacement
bearings, do you? I have cleaned out the sensor wheel but still the same
problem - but when i give the idler wheel a little push it at least goes
to ready.
cheers,
Nigel
On 2023-02-08 10:49, Chris Zach via cctalk wrote
I think it's metal, but using a bit of good old soapy water and a
rinse/dry should be fine. Remember that there is a little window screen
part there to ensure the optical system only sees the slit right under
it, don't forget to install it as well.
Glad to hear there is progress. Let us know h
Well, I found dust and what looks like oil on the optical wheel. It
looks like somebody may have tried to lube the bearings in situ and used
too much oil :-(
I'm amused to see that it uses the same moiré principle that was used
way back in the RK05!
Do you know if the pattern on the wheel i
On 2023-02-07 22:54, Chris Zach via cctalk wrote:
Hi Nigel!
I have a fair bit of experience with TK's, including the TK50 and 70.
I like them, they're quick units (with the TQK70 controller they can
stream well), and they look really nice in a BA23 chassis.
Optical sensors can be dirty, but
Hi Nigel!
I have a fair bit of experience with TK's, including the TK50 and 70. I
like them, they're quick units (with the TQK70 controller they can
stream well), and they look really nice in a BA23 chassis.
Optical sensors can be dirty, but the biggest problem I have seen is in
the capstain
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