Jochen Kunz wrote:
> Am 28.08.15 um 06:39 schrieb Mark J. Blair:
> > I have very limited experience with this family of drives so far, but what
> > little I have is not good. Pictures:
> >
> > https://twitter.com/nf6x/status/617511461452013568
> >
> > https://twitter.com/nf6x/status/61751998972
Am 28.08.15 um 06:39 schrieb Mark J. Blair:
> I have very limited experience with this family of drives so far, but what
> little I have is not good. Pictures:
>
> https://twitter.com/nf6x/status/617511461452013568
>
> https://twitter.com/nf6x/status/617519989721923584
I had the exact same probl
Here is what one of the modified trays looks like installed.
And here is an unmodified one.
My timer and temperature monitoring system. The thermistor probe sits in the
air stream.
Sent from my iPhone
> On Aug 29, 2015, at 11:45 AM, Mark J. Blair wrote:
>
>
>> On Aug 29, 2015, at 08:0
/29/2015 4:11 PM (GMT-07:00)
To: "General Discussion: On-Topic and Off-Topic Posts"
Subject: Re: TK50/TK70 Info
On Sat, 29 Aug 2015, couryho...@aol.com wrote:
> IF IT DOES NOT HAVE A TEMP THERMOSTAT DO NOT GET
So that we can remove it and put in a trustworthy one?
The comme
If it helps, I use an PID controller in my unit (inexpensive on eBay)
with a PT100 sensor in the center (open air) of the chamber. A
low-speed fan (from a microwave oven, using a 7W lamp in series) blows
down over a 60W incandescent lamp at the top of the chamber and over the
material to be tr
On Sat, 29 Aug 2015, couryho...@aol.com wrote:
IF IT DOES NOT HAVE A TEMP THERMOSTAT DO NOT GET
So that we can remove it and put in a trustworthy one?
The commercial part is the housing, trays, lid (with adjustable vent).
Prefer transparent.
You can make your own, or buy something cheap
do not get this
EVIL no fan no thermostat... found B! NOT A GOOD ONE ( for
tapes)
manual for it
http://manuals.harborfreight.com/manuals/66000-66999/66906.pdf
I have one wife found at garage sale ... it is not good for tape
work...
I rather suggest $64
http://w
On 8/29/2015 5:11 PM, couryho...@aol.com wrote:
> this is similar to harvest one I have as my tiny baker. BUT I do not
> see a temp control..
>
> more details!?
>
> even the temp control on harvester not to be trusted I have a long
> Kodak process thermometer I stick in fo
On 8/29/2015 3:36 PM, Fred Cisin wrote:
>>> The HarborFreight food dehydrator (#66906 $30, currently sale at $25)
>>> will work with the central ducting partially blocked.
>
> On Sat, 29 Aug 2015, Jay Jaeger wrote:
>> Ooooh. Thanks for the pointer to HarborFreight. I think I will pop
>> over t
this is similar to harvest one I have as my tiny baker. BUT I do not
see a temp control..
more details!?
even the temp control on harvester not to be trusted I have a long
Kodak process thermometer I stick in for the occasional temp check
IF IT DOES NOT HAVE A TE
The HarborFreight food dehydrator (#66906 $30, currently sale at $25)
will work with the central ducting partially blocked.
On Sat, 29 Aug 2015, Jay Jaeger wrote:
Ooooh. Thanks for the pointer to HarborFreight. I think I will pop
over to the store with a tape and see if they have one out to
On 8/29/2015 1:04 PM, Fred Cisin wrote:
> On Sat, 29 Aug 2015, couryho...@aol.com wrote:
>> I thought the center thing was a duct also Ed#
>
> Baking diskettes in it would reduce the central ducting.
>
> The HarborFreight food dehydrator (#66906 $30, currently sale at $25)
> will work with
>
> It has a heating element. On the ones with an incandescent bulb, using a
> CFL will reduce power consumption, but it doesn't do much drying/baking.
ROFL
-tony
On Sat, 29 Aug 2015, couryho...@aol.com wrote:
I thought the center thing was a duct also Ed#
Baking diskettes in it would reduce the central ducting.
The HarborFreight food dehydrator (#66906 $30, currently sale at $25)
will work with the central ducting partially blocked.
It has a hea
I thought the center thing was a duct also Ed#
In a message dated 8/29/2015 8:45:57 A.M. US Mountain Standard Time,
n...@nf6x.net writes:
> On Aug 29, 2015, at 08:00, Matt Patoray
wrote:
>
> But the food dehydrator comes with multiple shelves, and you can cut the
center suppor
> On Aug 29, 2015, at 08:00, Matt Patoray wrote:
>
> But the food dehydrator comes with multiple shelves, and you can cut the
> center support out of one of them. That is how I have modified mine to accept
> 1" C format Videotape reels.
Oh, maybe I misunderstood, then. I thought the center su
On 08/29/2015 01:01 AM, Mark J. Blair wrote:
On Aug 28, 2015, at 19:46, Jon Elson wrote:
Then, the only problem is the temp variation across the size of the oven, which
can be considerable.
I'm thinking that air circulation should be helpful to reduce hot spots,
whether I'm baking boards or
But the food dehydrator comes with multiple shelves, and you can cut the center
support out of one of them. That is how I have modified mine to accept 1" C
format Videotape reels.
I am going to b baking some Sony 1/2" EIAJ Videotape today and when I start
getting things set up I will check if I
> On Aug 29, 2015, at 06:55, Matt Patoray wrote:
>
> On the American Harvest the center hole is 2.25" across I think an 8"
> floppy will fit in that but I am not sure, I don't have any on hand to test
> with
I don't think 8" floppies will fit, then.
--
Mark J. Blair, NF6X
http://www.nf6x.ne
On 8/28/15 11:01 PM, Mark J. Blair wrote:
I'm thinking that air circulation should be helpful to reduce hot spots
Yes, and this has been discussed on this list for at least ten years. Someone I
know who has processed thousands of 1/2" tapes built a very large convection
oven
and he told me on
> On Aug 28, 2015, at 19:46, Jon Elson wrote:
>
> Then, the only problem is the temp variation across the size of the oven,
> which can be considerable.
I'm thinking that air circulation should be helpful to reduce hot spots,
whether I'm baking boards or media. I expect that I'll get a much b
On 08/28/2015 12:55 PM, Mark J. Blair wrote:
On Aug 28, 2015, at 10:41 , Jon Elson wrote:
The trick is to poke a tiny thermocouple into a plated through hole in one of
the boards. Then, the controller is measuring actual temperature. I tried
having the thermocouple in the air, and the boards
On 08/28/2015 12:41 PM, Jon Elson wrote:
On 08/28/2015 11:52 AM, Paul Koning wrote:
On Aug 28, 2015, at 11:44 AM, Mark J. Blair
wrote:
...
Well, I guess I'll need to build a little convection
tape baker, then. Maybe I'll use something like an
Arduino to control the temperature. I want to bui
> On Aug 28, 2015, at 12:04 , Matt Patoray wrote:
>
> Well how about pasting in the link...
>
> http://www.wendycarlos.com/bake%20a%20tape/baketape.html
Thank you very much!
I may try one of those dehydrators just as a path of minimum effort to having a
serviceable tape baker. If the hub is
Well how about pasting in the link...
http://www.wendycarlos.com/bake%20a%20tape/baketape.html
On Fri, Aug 28, 2015 at 3:03 PM, Matt Patoray
wrote:
> Here is a good article about "tape baking"
>
> On Fri, Aug 28, 2015 at 2:09 PM, Johnny Billquist
> wrote:
>
>> On 2015-08-28 20:07, Fred Cisin w
Here is a good article about "tape baking"
On Fri, Aug 28, 2015 at 2:09 PM, Johnny Billquist wrote:
> On 2015-08-28 20:07, Fred Cisin wrote:
>
>> On Fri, 28 Aug 2015, tony duell wrote:
>>
>>> I realised the other day that I do not live in a normal house. Apart
>>> from the toilet, every room on
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
On 2015-08-28 20:07, Fred Cisin wrote:
Nice!
The WC only has microcomputers?
On 08/28/2
On 08/28/2015 11:09, Johnny Billquist wrote:
On 2015-08-28 20:07, Fred Cisin wrote:
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
Ni
On 2015-08-28 20:07, Fred Cisin wrote:
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
Nice!
The WC only has microcomputers?
Terminal
On Fri, 28 Aug 2015, tony duell wrote:
I realised the other day that I do not live in a normal house. Apart
from the toilet, every room on the ground floor contains at least one
PDP11 (some not set up yet).
Nice!
The WC only has microcomputers?
> On Aug 28, 2015, at 10:41 , Jon Elson wrote:
> The trick is to poke a tiny thermocouple into a plated through hole in one of
> the boards. Then, the controller is measuring actual temperature. I tried
> having the thermocouple in the air, and the boards got seriously fried.
I had planned t
On 08/28/2015 11:52 AM, Paul Koning wrote:
On Aug 28, 2015, at 11:44 AM, Mark J. Blair wrote:
...
Well, I guess I'll need to build a little convection tape baker, then. Maybe
I'll use something like an Arduino to control the temperature. I want to build
a toaster oven solder reflow over, too,
>
> To be honest, an engine block wouldn't look out of place in my living room. :)
I don't have a living room. I do have a 'large machine room'[1] which the
previous
owners of the house called a 'living room'
[1] Both the room and the machines I am going to set up in there are large.
I rea
To be honest, an engine block wouldn't look out of place in my living room. :)
--
Mark J. Blair, NF6X
http://www.nf6x.net/
On 08/28/2015 09:30 AM, Jay Jaeger wrote:
Interesting. I have yet to experience the need to bake 8" floppies.
Clearly, you've never been presented with a load of 8" Radio
Shack-branded floppies...
"Wright Line" and "Wabash" branded floppies seem to share the
undesirable characteristic.
> On Aug 28, 2015, at 11:44 AM, Mark J. Blair wrote:
> ...
> Well, I guess I'll need to build a little convection tape baker, then. Maybe
> I'll use something like an Arduino to control the temperature. I want to
> build a toaster oven solder reflow over, too, which might use the same
> contro
On 8/28/2015 10:58 AM, Mark J. Blair wrote:
>
>> On Aug 28, 2015, at 08:52, Matt Patoray wrote:
>>
>> If you can find an "American Harvest" food dehydrator, those work great for
>> baking tapes, low controlled heat, a round form factor and it can hold 10"
>> reels of tape.
>
> Interesting! Is
On 8/28/2015 10:44 AM, Mark J. Blair wrote:
>
>> On Aug 28, 2015, at 08:09, Al Kossow wrote:
>>
>> On 8/28/15 12:46 AM, Mark J. Blair wrote:
>>> leave the tapes in my truck for a week to bake them? :)
>>>
>>
>> not enough airflow
>
> Well, I guess I'll need to build a little convection tape bake
On 08/28/2015 08:58 AM, Mark J. Blair wrote:
Interesting! Is the central shaft small enough for 5.25" and 8"
floppy disks to fit in it? I have a lot of 8" disks that need baking,
too.
If you've got access to woodworking equipment and some scrap plywood,
you can built one easily enough from pa
> On Aug 28, 2015, at 08:52, Matt Patoray wrote:
>
> If you can find an "American Harvest" food dehydrator, those work great for
> baking tapes, low controlled heat, a round form factor and it can hold 10"
> reels of tape.
Interesting! Is the central shaft small enough for 5.25" and 8" floppy
If you can find an "American Harvest" food dehydrator, those work great for
baking tapes, low controlled heat, a round form factor and it can hold 10"
reels of tape.
I use one for baking old EIAJ videotape.
Sent from my iPhone
> On Aug 28, 2015, at 11:44 AM, Mark J. Blair wrote:
>
>
>> On A
> On Aug 28, 2015, at 08:09, Al Kossow wrote:
>
> On 8/28/15 12:46 AM, Mark J. Blair wrote:
>> leave the tapes in my truck for a week to bake them? :)
>>
>
> not enough airflow
Well, I guess I'll need to build a little convection tape baker, then. Maybe
I'll use something like an Arduino to
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
On Fri, 28 Aug 2015, Al Kossow wrote:
not enough airflow
humidity?
On 8/28/15 12:46 AM, Mark J. Blair wrote:
leave the tapes in my truck for a week to bake them? :)
not enough airflow
On 2015-08-27 22:43, Kyle Owen wrote:
Yup, I'm aware of the owner's manual, but my question was more aimed at
"What are the common failure modes of this drive?" rather than how to
operate it. I'll see what it'll take to get my VAX connected via Ethernet.
Looks like I've got the hardware, but not
On Aug 27, 2015, at 9:39 PM, Mark J. Blair wrote:
> Maybe my tapes need baking or something to keep the oxide from shedding?
Yes, your tapes need baking. Even for folks who don't experience problems as
catastrophic as yours, the TK50, TK30, and TK70 will each stall out if it
senses the tape dr
On Aug 27, 2015, at 11:50 PM, Mark J. Blair wrote:
> It runs the tape forwards first, then it experiences trouble, then it panics
> and quits.
Yes.
> Can the TK50 cartridges be baked as-is
It may depend on how effective your setup is, but I bake mine as-is.
ok
bear.
--
until further noti
> On Aug 27, 2015, at 23:22 , r.stricklin wrote:
>
> Yes, your tapes need baking. Even for folks who don't experience problems as
> catastrophic as yours, the TK50, TK30, and TK70 will each stall out if it
> senses the tape dragging even slightly. That includes for rewind/unload.
At least in
Given that it's summertime, I wonder if I could just leave the tapes in my
truck for a week to bake them? :)
--
Mark J. Blair, NF6X
http://www.nf6x.net/
> On Aug 27, 2015, at 22:04, Kyle Owen wrote:
>
> what really impressed me was the fellow in
> the northeast who got the RL02 connected via USB to a modern Linux system,
> fully usable by the system. That's really cool.
Yeah, I think that project is so cool! I had thought about doing something
On Thu, Aug 27, 2015 at 11:55 PM, Mark J. Blair wrote:
>
> > On Aug 27, 2015, at 21:45, Kyle Owen wrote:
> > Is your 730 booting VMS yet?
>
> Yes! I can boot 7.3 (IIRC) from the R80 or 5.3 (IIRC) from the RL02. I
> haven't gotten networking up and running yet, but I did manage to make tape
> bac
> On Aug 27, 2015, at 21:45, Kyle Owen wrote:
> Is your 730 booting VMS yet?
Yes! I can boot 7.3 (IIRC) from the R80 or 5.3 (IIRC) from the RL02. I haven't
gotten networking up and running yet, but I did manage to make tape backups of
the R80 and RL02 on the TU80 tape drive (I think!).
I've b
I can confirm that back in the day (has that been 25 years ago now?) I was
able to read a couple of TK-50's I'd made in school with a TK-70 that I had
access to through a friend's work.
Mind you, even new the TK-50 was a woe-be-gotten piece-of-x that worked
right about as often as the Cubs win
On Thu, Aug 27, 2015 at 11:39 PM, Mark J. Blair wrote:
> If I'm not mistaken, TK70 drive can read but not write TK50 tapes.
>
> I have very limited experience with this family of drives so far, but what
> little I have is not good. Pictures:
>
> https://twitter.com/nf6x/status/617511461452013568
On Thu, Aug 27, 2015 at 11:13 PM, Jay Jaeger wrote:
>
> Looking at www.bitsavers.org/pdf/emulex for P4000 I found a manual that
> seems to relate t the tapes you have. Those tapes are for an Emulex
> terminal server called the Performance 4000-T. If you don't have such a
> unit, then those tapes
If I'm not mistaken, TK70 drive can read but not write TK50 tapes.
I have very limited experience with this family of drives so far, but what
little I have is not good. Pictures:
https://twitter.com/nf6x/status/617511461452013568
https://twitter.com/nf6x/status/617519989721923584
Maybe my tape
On 8/27/2015 10:19 PM, Kyle Owen wrote:
> I hope to start backing up my MicroVAX 3800 soon via the TK70. Sounds like
> 8mm is more unreliable than the TK70, and I don't have but one
> magneto-optical disk.
>
> Are there any precautions I need to take before sticking a tape in the
> drive? Pinch r
Opps, that should have been private, sorry.
On Thu, Aug 27, 2015 at 10:35 PM, Paul Anderson wrote:
> Hi Kyle,
>
> Any updates for the trip?
>
> On Thu, Aug 27, 2015 at 10:19 PM, Kyle Owen wrote:
>
>> I hope to start backing up my MicroVAX 3800 soon via the TK70. Sounds like
>> 8mm is more unrel
Hi Kyle,
Any updates for the trip?
On Thu, Aug 27, 2015 at 10:19 PM, Kyle Owen wrote:
> I hope to start backing up my MicroVAX 3800 soon via the TK70. Sounds like
> 8mm is more unreliable than the TK70, and I don't have but one
> magneto-optical disk.
>
> Are there any precautions I need to tak
I hope to start backing up my MicroVAX 3800 soon via the TK70. Sounds like
8mm is more unreliable than the TK70, and I don't have but one
magneto-optical disk.
Are there any precautions I need to take before sticking a tape in the
drive? Pinch rollers that might be gooey?
I assume the TK70 drive
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