Digest for sci.electronics.repair@googlegroups.com - 9 updates in 4 topics

thekmanrocks@gmail.com: May 14 08:17AM -0700

Was going to go today but am getting over a bug. Hope
to see you and the gang in September. Squack on! ;)
avagadro7@gmail.com: May 13 05:07PM -0700

On Thursday, May 12, 2016 at 11:16:26 PM UTC-4, Jeff Liebermann wrote:
> 150 Felker St #D http://www.LearnByDestroying.com
> Santa Cruz CA 95060 http://802.11junk.com
> Skype: JeffLiebermann AE6KS 831-336-2558
 
nice work Dude !
 
I should bring the van by .....I could buy you dinner....
 
ok but is there a spool of wire markers FACTORY NUMBERED where the prenumberd wire larker is peeled off n applied to GROUND REAR BACK UP LAMP
 
the I would record that wire marker 0001B as 'Ground rear....
 
in the wiring records book
 
this would appear more mil spec as the factory would produce the entire rig print glue covering.
whit3rd <whit3rd@gmail.com>: May 13 06:23PM -0700


> Q5 is: how to label wires that is of what material n print substance ?
 
I don't trust gummed adhesive on insulation or sheathing of a cable or wire,
so it's a flag-equipped wiretie to start with, and put a label onto
the flag. I like Brother P-touch with TZ-tape (it has a transparent cover over the
inked letters).
Jeff Liebermann <jeffl@cruzio.com>: May 13 06:26PM -0700


>I should bring the van by .....I could buy you dinner....
 
Forget it. I'm on a diet of sorts.
 
>ok but is there a spool of wire markers FACTORY NUMBERED where the
>prenumberd wire larker is peeled off n applied to GROUND REAR
>BACK UP LAMP
 
Nope. You either mark the wire yourself, or pay someone with a
machine to do it for you.
 
>the I would record that wire marker 0001B as 'Ground rear....
>in the wiring records book
 
It probably doesn't matter what numbers you put on the wires as long
as you can identify the wires. So, tow your van down to the nearest
electronic surplus store and dig through the rolls of surplus wire.
Most of the stuff is aerospace overstock where the wires are marked
and can't be re-used with a different marking. Such pre-marked wires
are generally considered useless or ugly, which shouldn't matter much
for your application.
 
>this would appear more mil spec as the factory would produce the
>entire rig print glue covering.
 
It depends on how many wires you want to mark. I can't imagine your
recumbent needing very many wires. A vinyl label maker and clear tape
should suffice.
 
If you don't care about the mess you're sure to make, I suggest
getting some silk screening mesh, mask off everything except what you
want to print, and screen the text with ink and a squeegee. It's
kinda tricky to do on anything that's not flat, but still possible.
 
If you really don't care about making a mess, you could just color
code the wire. Or just buy white PVC wire and color your own cables
with solvent based dyes:
<http://makezine.com/projects/make-30/stain-pvc-any-color-you-like/>
 
However, if you want to go high tech and do it thyself, it might be
fun to build wire marker from a UV laser and an x-y table. Wire
marking lasers use excimer or solid state (Nd:YAG) 200 to 350nm UV
lasers. A 450nm blue laser will also sorta work. These lasers are
not cheap, but can be found used and abused. Anything about 1.5 watts
or more depending on how fast you want to scribble. Get a CNC
controlled x-y table, add the laser, and blast away.
<http://www.ebay.com/bhp/cnc-laser>
Don't forget the safety equipment, glasses, interlocks, insurance,
fire extinguisher, etc.
 
 
--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558
"Bob F" <bobnospam@gmail.com>: May 13 10:23AM -0700

N_Cook wrote:
> the bores is highly asymetric, perhaps the plastic releives over time
> and bends, anyway my "reaming" has done the trick, crude but
> effective, GPS still works BTW
 
Are the origional batteries really undersized, or has the case just warped from
heat? You could wrap the batteries with a few layers of paper, heat the case
with an hot air gun, and insert the batteries to warp it back out.
N_Cook <diverse@tcp.co.uk>: May 13 07:57PM +0100

On 13/05/2016 18:23, Bob F wrote:
 
> Are the origional batteries really undersized, or has the case just warped from
> heat? You could wrap the batteries with a few layers of paper, heat the case
> with an hot air gun, and insert the batteries to warp it back out.
 
No real way of engineering-wise checking , but I suspect the tubes have
gone banana shaped to some extent. Perhaps the plastic releives on one
side, no tthe other, due to the asymetric structure of the case. Not
kept in a hot place or sun though.
avagadro7@gmail.com: May 13 04:59PM -0700

On Monday, April 25, 2016 at 10:48:10 AM UTC-4, N_Cook wrote:
> "mandrel" for "Dremmels" would do the job if there was a way to extend
> the shaft. I'll try the core of a "choc block" connector as a coupler,
> but any other ideas?
 
http://www.mcmaster.com/#grinding-bits/=12ed2ml
 
such bits as metal grinding carbides are essential for rust maintenance.
avagadro7@gmail.com: May 13 05:00PM -0700

On Monday, April 25, 2016 at 10:48:10 AM UTC-4, N_Cook wrote:
> "mandrel" for "Dremmels" would do the job if there was a way to extend
> the shaft. I'll try the core of a "choc block" connector as a coupler,
> but any other ideas?
 
http://www.allelectronics.com/make-a-store/category/970/battery-holders/1.html
"Gareth Magennis" <soundserviceleeds@outlook.com>: May 13 08:12PM +0100

"N_Cook" wrote in message news:nh4nl9$2lp$1@dont-email.me...
 
At least there is vertical clearance on the pins of the replacement
audio TOP-3, to slide on some ferrite beads.
 
 
 
 
 
https://www.youtube.com/watch?v=1IT5ogF4C-8
 
 
 
Gareth.
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