Digest for sci.electronics.repair@googlegroups.com - 12 updates in 4 topics

Bob F <bobnospam@gmail.com>: Sep 03 12:21PM -0700

On 8/30/2017 3:57 PM, Dave M wrote:
> Also thought about cutting on a drill press or milling machine. Again, a
> bit dangerous due to the small size of the work. Clamping would be tricky.
 
> Any suggestions as to a good, safe approach to cutting the plastic?
 
I have had good results on wood and countertop material with my HF
oscillating Multi-Tool. The flat round "sawtooth" blade cuts very
cleanly, with no chips. You can clamp a 3/4" board to the material being
cut as a guide. Then just press the blade flat against the wood, and
slowly move it through the material. It is slow, but very controllable,
and low risk. It would very likely work just as well on plexiglass.
Mike Perkins <spam@spam.com>: Sep 04 12:47PM +0100

On 31/08/2017 00:55, Dave M wrote:
 
<snip>
 
> the wire taut enough to make a straight cut through the plastic. Maybe
> mount it alongside the fence on my tablesaw. That should keep everything
> nice & straight.
 
A hot wire cutter will create a lip on the cut surface.
 
I guess it could then be sanded off?
 
I think the sawing approach is easier, but mind your fingers.
 
The last time I cut a more substantial piece of acrylic I used a mitre
type of saw.
 
--
Mike Perkins
Video Solutions Ltd
www.videosolutions.ltd.uk
"pfjw@aol.com" <pfjw@aol.com>: Sep 03 01:16PM -0700

On Friday, September 1, 2017 at 7:33:17 PM UTC-4, Andy Burns wrote:
 
> >> Europe lost a Mars mission due to a lack of corresponding units. It happens.
 
> > I thought that was a USA mission. Which mission was it?
 
> <https://www.wired.com/2010/11/1110mars-climate-observer-report/>
 
It was an EU firm that created the software, and the mission was a joint mission managed by NASA. The loss was the 'fault' of the EU specifically. NASA was at fault overall as they were where the buck stopped, ultimately.
Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au>: Sep 04 09:46AM +1000

On 2/09/2017 1:40 AM, rickman wrote:
> Jim Jefferies is a hoot, but I like his specials better than his show.
> I watch several TV shows from down under, Ms Fletcher, Rake, Dr. Blake,
> and I'm just startng Bess...
 
**Dunno who Jim Jefferies is. I will have to download some. Mrs
Fletcher, Rake and Dr Blake are all staples in my household. There are
others, but they probably don't travel well:
 
Shaun Micallef's MAD AS HELL, Utopia, The Weekly With Charlie Pickering.
 
--
Trevor Wilson
www.rageaudio.com.au
Andy Burns <usenet@andyburns.uk>: Sep 04 08:06AM +0100


> It was an EU firm that created the software
 
Oh? Looks like Lockheed Martin to me ...
 
"The primary cause of this discrepancy was that one piece of ground
software supplied by Lockheed Martin produced results in a United States
customary unit, contrary to its Software Interface Specification (SIS),
while a second system, supplied by NASA, expected those results to be in
SI units"
Bob Engelhardt <BobEngelhardt@comcast.net>: Sep 03 07:56PM -0400

On 8/25/2017 6:15 PM, etpm@whidbey.com wrote:
... What I'm gonna do is get someone to look at the
> contactor when I turn on the breaker to see if it pulling in. ...
 
Too late for this problem, but next time you need a second set of eyes,
set up your video recorder as the witness.
John Robertson <spam@flippers.com>: Sep 03 11:13PM -0700

> Soldering a wire across switch contacts won't work easily because the
> switch is a contactor. What I'm gonna do is get someone to look at the
> contactor when I turn on the breaker to see if it pulling in.
 
If you don't have someone handy simply set your phone in video mode and
have it record what happens with the contacts when you hit the power.
Then you can review moment to moment changes.
 
> find out if the coil is bad or if it isn't getting power. I will still
> need to check the caps if the contactor is working properly.
> Eric
 
John ;-#)#
 
--
(Please post followups or tech inquiries to the USENET newsgroup)
John's Jukes Ltd.
MOVED to #7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3
(604)872-5757 (Pinballs, Jukes, Video Games)
www.flippers.com
"Old pinballers never die, they just flip out."
Madness <madness.mail@gmail.com>: Sep 03 01:28PM -0400

On 9/3/2017 12:35 PM, M Philbrook wrote:
> In article <ooh9a1$arm$1@dont-email.me>, madness.mail@gmail.com says...
 
>> *BBBRRRAAAPPP!!!* *BLIP-BLIP-BLIP!* *SQUEEEEEEEEEEEEE!!!!*
 
> and which end?
 
The rear end, of course!
rickman <gnuarm@gmail.com>: Sep 03 01:41PM -0400

Madness wrote on 9/3/2017 1:28 PM:
 
>>> *BBBRRRAAAPPP!!!* *BLIP-BLIP-BLIP!* *SQUEEEEEEEEEEEEE!!!!*
 
>> and which end?
 
> The rear end, of course!
 
There should be an age limit for posting. No one under the age of 12.
 
--
 
Rick C
 
Viewed the eclipse at Wintercrest Farms,
on the centerline of totality since 1998
Madness <madness.mail@gmail.com>: Sep 03 03:54PM -0400

On 9/3/2017 1:41 PM, rickman wrote:
 
>>> and which end?
 
>> The rear end, of course!
 
> There should be an age limit for posting.  No one under the age of 12.
 
I'm on the TB crapper squashin' one out! But I don't see how age comes
into play!
bitrex <bitrex@de.lete.earthlink.net>: Sep 03 04:25PM -0400

On 09/03/2017 03:54 PM, Madness wrote:
 
>> There should be an age limit for posting. No one under the age of 12.
 
> I'm on the TB crapper squashin' one out! But I don't see how age comes
> into play!
 
Please remember to wipe front to back this time, for Pete's sake.
Jeff Liebermann <jeffl@cruzio.com>: Sep 03 01:55PM -0700

On Sun, 3 Sep 2017 15:54:42 -0400, Madness <madness.mail@gmail.com>
wrote:
 
 
>>> The rear end, of course!
 
>> There should be an age limit for posting.  No one under the age of 12.
 
>I'm on the TB crapper squashin' one out!
 
You seem to be a bit old to have an anal fixation.
<https://en.wikipedia.org/wiki/Anal_stage>
 
>But I don't see how age comes into play!
 
After your first hemorrhoid, I think you'll understand.
 
 
--
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
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