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

avagadro7@gmail.com: Jun 30 06:15AM -0700

pulley size is by design ...if the unit installed is for the system then the pulley is designed so.
 
alternators n generators connected directly to RPM display an output curve directly related to RPM.
 
so when the maker writes unit's power output is 120 amps (Ford) what is described is the unit outputs 120 at 60+ mph.
 
this in reality doesn't cover radio esp 400 watt rig/lights/AC in slow go commuting with extensive idle...in cold weather. That 120 doesn't charge the batt
 
My van has a 200 AMP with an Odyssey Bat. With everything running at 65 mph, 200 amps doesn't charge the batt. Gotta shut off the stereo for a charge. Over uh 4-500 miles. Runs down slowly.
 
so if you have a problem with this either a new batt or a higher output alternator and a complete check on wires and connectors cleanuo is in order.
avagadro7@gmail.com: Jun 30 06:24AM -0700


> this in reality doesn't cover radio esp 400 watt rig/lights/AC in slow go commuting with extensive idle...in cold weather. That 120 doesn't charge the batt
 
> My van has a 200 AMP with an Odyssey Bat. With everything running at 65 mph, 200 amps doesn't charge the batt. Gotta shut off the stereo for a charge. Over uh 4-500 miles. Runs down slowly.
 
> so if you have a problem with this either a new batt or a higher output alternator and a complete check on wires and connectors cleanuo is in order.
 
to continue...
 
the system is victim to the fabled cost accounting design team. So many people do this and that cost this so we come out ahead if we squeexe $$ from the charging system.
 
hard on batteries...sell more batteries
 
hard on alternators....sell more alternators...everyone in full term vehicle use buys 2 or 3 alternators and the old ones are rebuilt n sold for 3x the profit.
 
the practice prob kills a coipla hundred people a year with total damages I guess 10-20 mill ?
 
peanuts.
avagadro7@gmail.com: Jun 30 06:26AM -0700


> hard on alternators....sell more alternators...everyone in full term vehicle use buys 2 or 3 alternators and the old ones are rebuilt n sold for 3x the profit.
 
> the practice prob kills a coipla hundred people a year with total damages I guess 10-20 mill ?
 
> peanuts.
 
but the auto folk knew the LED was coming ..... no sense tooling up for -0-
avagadro7@gmail.com: Jun 29 03:59PM -0700

worm fried Java
 
asked Microsoft Windows Internet Explorer
 
suggesting Tools after all browser windows closed.
 
thru TOOLS not thru Explorer or what SHELL offers with SHELL search.
 
when all windows are deleted, Microsoft's Homepage pops up as th default after eliminating all before windows/homepages.
 
accessing Micro's Homepage and into USGS then earthquakes brings a bold faced notice that JAVA is required to read USGS Earthquake reports..
 
AHA ! how could I have forgotten this...INCROYABLE, NO ?
 
I sit in the shade on a lane bordering a green meadow filled with exotic fledgling birds chirp chirping, sun going down past the Brazilian Pepper...
 
TMALSS, reinstalled Java. The laptop now reads USGS again.
 
PEACE BE WITH YOU
legg <legg@nospam.magma.ca>: Jun 30 08:37AM -0500


>worm fried Java
<snip>
 
>TMALSS, reinstalled Java. The laptop now reads USGS again.
 
>PEACE BE WITH YOU
 
Java IS a worm.
 
RL
avagadro7@gmail.com: Jun 30 06:07AM -0700

On Thursday, June 30, 2016 at 8:36:45 AM UTC-4, legg wrote:
 
> >PEACE BE WITH YOU
 
> Java IS a worm.
 
> RL
 
old Chinese recipe
Micky <NONONObobbyburns1111@gmail.com>: Jun 29 02:45PM -0400


>> >Well you could use an AC extension cord.
 
>> Everyone has swayed me that this is a better idea, but I feel obliged
>> for the record to say that, when an Acer laptop had a bad power jack,
 
I forgot to say that it was problaby not the jack, just a bad solder
connection to the Mobo, but I wanted to have the part ready when the
thing was open. That was for when the problem got serious, but it
was alleviated just by having the cord come from a direction that
tugged a little on the jack in the right direction, or at least didn't
tug in the wrong direction.
 
>> some speaker wire and tape, or silicon(e) tape and you'd have an
>> extension cord.
 
>And also an unaccounted-for voltage drop ...
 
Do you think another 10 feet can cause a voltage drop? 2 amps x
0.01 ohms is 0.02 volts - or less.
 
Ralph Mowery <rmowery28146@earthlink.net>: Jun 29 05:30PM -0400

In article <9h58nbti06l3hh5u40o453lv2a5ppupd7o@4ax.com>,
NONONObobbyburns1111@gmail.com says...
 
> Do you think another 10 feet can cause a voltage drop? 2 amps x
> 0.01 ohms is 0.02 volts - or less.
 
> >Isaac
 
With the wire comming from China you never know. Some of it is copper
plated aluminum and a bit shy of the AWG for the number they give.
 
I had some inexpensive alligator clips with about 18 inches of wire
seperating them. Playing with a power supply of a couple of volts and
about 1 ohm of load resistance. Notice the voltage and current and
resistance did not come close to the formular for voltage drop. Some
checking the clips and thought the crimp may be bad. Soldered them and
still not beter. The wire its self had about 1/2 of an ohm in 18
inches.
Micky <NONONObobbyburns1111@gmail.com>: Jun 29 05:38PM -0400

On Wed, 29 Jun 2016 17:30:13 -0400, Ralph Mowery
>checking the clips and thought the crimp may be bad. Soldered them and
>still not beter. The wire its self had about 1/2 of an ohm in 18
>inches.
 
Wow, that's a lot. I just bought another bag of those jumper wires,
but I still have about 8 from 20 or 30 years ago. I think they're
longer too so I should be able to tell them apart, and I will rely on
the old ones.
 
I'll go measure the new ones when I'm there and I think of it.
Ralph Mowery <rmowery28146@earthlink.net>: Jun 29 06:02PM -0400

In article <tqf8nbdsm3mk0bvdumpbd3j9uq0c9o19m6@4ax.com>,
NONONObobbyburns1111@gmail.com says...
> longer too so I should be able to tell them apart, and I will rely on
> the old ones.
 
> I'll go measure the new ones when I'm there and I think of it.
 
I could not believe it at first. I was using a Fluke 87 meter during
the tests and knew it should be accurate. I finally went to the ohms
scale and cliped the wires between the probes. I could short the probes
with the wires and see about half an ohm difference. Could not hardly
believe it myself, but it would seem to be correct.
 
I got onto this when I had a resistor that was suspose to be one ohm and
a power supply putting out about an amp in the circuit. The power
supply should have been set at 1 volt to do this,but I had to set it to
2 volts to get the 1 amp. That would have been about right when I had 2
of the jumpers in the circuit with my 1 ohm resistor. Made it a 2 ohm
load instead of 1 ohm.
 
First I thought it was my meter leads or drop across the meter, but it
wasn't. Just those sorry jumpers. I found some 22 gauge wire and
remade the jumpers and the current and voltage calculated out correct
for the resistance.
Micky <NONONObobbyburns1111@gmail.com>: Jun 29 02:48PM -0400

>>tub too.
 
>The $20.00 Monoprice one only transmits audio from the attached
>device. I.E. You can listen but not talk.
 
Ah. I can see that now. ;-( . I wouldn't want that then, but it
sounds like a perfect present for my girlfriend.
Micky <NONONObobbyburns1111@gmail.com>: Jun 29 05:35PM -0400

>>tub too.
 
>The $20.00 Monoprice one only transmits audio from the attached
>device. I.E. You can listen but not talk.
 
Now that I think some more, this one had the advantage that it would
plug into my cordless phone, that has a jack, and I could take it
anywhere the phone worked which is within 50 or 80 feet of the house,
including the room with the bathtub. Of course, as you point out, I
could only listen.
 
But the others plug into the phone line and only work within bluetooth
range, 10? feet, of, I guess, my desk. If I got a lot of calls it
could be worth it, but I don't. Oh, well. Extra money for candy.
 
>---
 
I think the Avast signature doesn't get omitted when replying because
there are 3 hyphens and not 2 plus a space.
 
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