Driver to drive?

[Long Hair]

Winfield Hill wrote:

bill.sloman@ieee.org wrote...

Winfield Hill wrote:
Neon John wrote...

I haven't gotten anything in the last couple of weeks.

Ah, we're dead. That would explain a lot.

And in hell.

At least we can do our temperature-limit testing.

With a greatly elevated ambient. Better get instruments that are way
hardier than today's tin whisker nightmare crap.

Use an analog taut band meter... Wait... that won't work either!

Make a taut band thermometer... no electronics required at all, just
heat!

 

[TTman]

On 21/02/2018 10:38, David Brown wrote:

On 21/02/18 11:08, TTman wrote:
On 21/02/2018 00:57, mpm wrote:
On Tuesday, February 20, 2018 at 5:44:32 PM UTC-5, TTman wrote:

Fit a nice big pair of 100W Cibie rally lights. It will be like driving
in daylight

...and it will also be like driving in a ditch after I run you off the
road!

I consider it extremely rude, unsafe (and possibly illegal) to use
high-beams, especially super-bright aftermarket bulbs, that blind
other drivers. The use of these bulbs seems to be gaining popularity
with the younger crowd (which arguably, doesn't really know how to
drive in the first place.) Unless you define driving as
Fast-&-Furious video game.

Of course, the opposite is also very annoying and unsafe:
Drivers who either don't turn their lights on at all, or run around
with no brake lights. (Don't get me started on that -- ever since
LED's.. more and more folks with brake lights out. Or so it seems!)

Certainly not illegal in the UK and anyway, the OP said he drives on
rural roads. They also have to operate on main beam only and go out on
dipped beam. No problem for other drivers.....


It's a long time since I read the highway code, but yes - powerful
headlights are illegal to use in the UK. It is illegal even to use the
car's fog lights unless there is thick fog. Additional lights that are
sharp enough to cause annoyance, distractions, or temporary blinding to
other drivers are always illegal on public roads.

The rules are quite simple. If you distract other drivers, it is
dangerous. If it is dangerous, it is illegal.

Sorry you're wrong. Point me to the relevant construction and use
regulations that say it's illegal to use high powered spotlights ?
Correctly installed, they are legal. Correct installation is stated
quite clearly in the constructioin and use regulations.Take a look....


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[Long Hair]

Phil Hobbs wrote:

snip

How about an incandescent bulb or a magnetic-ballast fluorescent?

Cheers

Phil Hobbs

They could make a CFL that uses an external HV "getter" supply to
initiate the plasma and then shut it off. That would reduce losses and
prolong the CFL's life to a huge number.

It is a coil of HV wire that runs around the outside of the tube.

 

[Long Hair]

bitrex wrote:

snip

Someone should design a security system that when e.g. an infrared beam
on the front stoop is broken it paints a half-dozen red dots on the
person standing there from strategically placed lasers all around the
property it's unobtrusive yet probably attention-getting

Until the one that points up at the overhead aircraft gets you some
federal charges.

Remeber those little disc guns we used to shoot at each other?

I would place a simple "slot" on the side of the doorway (or top) with
the gun inside, behond the slot. Very sharp or star tipped discs could
then be launched at any swing angle and folks... sharp discs go right
through Kevlar armor, and many other things.

So, an unsuspecting victim would not even know that he was staring
death right in the face.

There are no door-to-door salesmen in Colorado. Why? Because the
owner can shoot your ass as soon as you cross the perimeter of his
property, much less waiting till you get to the door. Maybe that fear
alone is a good security upgrade.

Still didn't help folks like Versace or John Lennon

 

[TTman]

Certainly not illegal in the UK and anyway, the OP said he drives on
rural roads. They also have to operate on main beam only and go out on
dipped beam. No problem for other drivers.....


It's a long time since I read the highway code, but yes - powerful
headlights are illegal to use in the UK. It is illegal even to use the
car's fog lights unless there is thick fog. Additional lights that are
sharp enough to cause annoyance, distractions, or temporary blinding to
other drivers are always illegal on public roads.

The rules are quite simple. If you distract other drivers, it is
dangerous. If it is dangerous, it is illegal.

You'll find all the relevant info here- save you looking it up.
http://www.legislation.gov.uk/uksi/1989/1796/made



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[TTman]

Certainly not illegal in the UK and anyway, the OP said he drives on
rural roads. They also have to operate on main beam only and go out on
dipped beam. No problem for other drivers.....


It's a long time since I read the highway code, but yes - powerful
headlights are illegal to use in the UK. It is illegal even to use the
car's fog lights unless there is thick fog. Additional lights that are
sharp enough to cause annoyance, distractions, or temporary blinding to
other drivers are always illegal on public roads.

The rules are quite simple. If you distract other drivers, it is
dangerous. If it is dangerous, it is illegal.

And just in case you think they are subject to MOT regulations, they're
not...
https://www.mot-testing.service.gov.uk/documents/manuals/m4s01000101.htm


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[David Brown]

On 21/02/18 16:14, TTman wrote:

On 21/02/2018 10:38, David Brown wrote:
On 21/02/18 11:08, TTman wrote:
On 21/02/2018 00:57, mpm wrote:
On Tuesday, February 20, 2018 at 5:44:32 PM UTC-5, TTman wrote:

Fit a nice big pair of 100W Cibie rally lights. It will be like
driving
in daylight

...and it will also be like driving in a ditch after I run you off the
road!

I consider it extremely rude, unsafe (and possibly illegal) to use
high-beams, especially super-bright aftermarket bulbs, that blind
other drivers. The use of these bulbs seems to be gaining popularity
with the younger crowd (which arguably, doesn't really know how to
drive in the first place.) Unless you define driving as
Fast-&-Furious video game.

Of course, the opposite is also very annoying and unsafe:
Drivers who either don't turn their lights on at all, or run around
with no brake lights. (Don't get me started on that -- ever since
LED's.. more and more folks with brake lights out. Or so it seems!)

Certainly not illegal in the UK and anyway, the OP said he drives on
rural roads. They also have to operate on main beam only and go out on
dipped beam. No problem for other drivers.....


It's a long time since I read the highway code, but yes - powerful
headlights are illegal to use in the UK. It is illegal even to use the
car's fog lights unless there is thick fog. Additional lights that are
sharp enough to cause annoyance, distractions, or temporary blinding to
other drivers are always illegal on public roads.

The rules are quite simple. If you distract other drivers, it is
dangerous. If it is dangerous, it is illegal.


Sorry you're wrong. Point me to the relevant construction and use
regulations that say it's illegal to use high powered spotlights ?
Correctly installed, they are legal. Correct installation is stated
quite clearly in the constructioin and use regulations.Take a look....

As I said, it is a long time since I have read the regulations, and
don't have any of them at hand. Certainly I have no interest in looking
up this stuff for you.

But let me repeat - if you have lights that risk causing temporary
blindness or distracting or startling other drivers, you are driving
dangerously. The police don't need any other regulations or rules if
they catch you - "dangerous driving" is an umbrella that covers a wide
range of offences. In particular, if there is an accident and the other
guy claims to have been blinded, and the court shows you have unusually
bright headlights that can reasonably be expected to cause problems for
other drivers, then they will throw the book at you. There is no need
to quote a particular rule - you are required to drive safely and
considerately.

It is your call. If you want to risk being a cause of annoyance and
accidents, and think that "there is no law against it" will protect you
from prosecution, that is up to you.

 

[Steve Wilson]

Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> wrote:

At the optimal compensation cap value, the results hardly depend on
pulse width at all.

I ran your sim with pulse widths from 50 ns to 1 us, and with a
compensation cap of 15 nF the droop is at most 70 mV over the whole
range, i.e. 0.23%, which isn't bad at all.

With no compensation cap, it's a mess for sure.

Cheers

Phil Hobbs

I tried to keep the drop under 0.1V during the high current pulse. With 1us
pulse width, the drop calculates to

i = c dv/dt
i dt = c dv
dv = i * dt / c
= 12 * 1e-6 / 20e-6
= 0.6V

0.6 / 28 = 2.142e-2
= 2.142%

I measure 0.637V. This is

0.637 / 28 = 0.02275 = 2.275%

I don't know where you are measuring the drop. With 15nF compensation, the
peak current from the LT317A is 1.7A, a bit over the spec of 1.5A. The
recovery from the pulse is slow and draggy but probably acceptable at low
duty cycle.

Here's the file:

Version 4
SHEET 1 1184 680
WIRE 64 128 -96 128
WIRE 368 128 320 128
WIRE 400 128 368 128
WIRE 512 128 480 128
WIRE 624 128 512 128
WIRE 688 128 624 128
WIRE 752 128 688 128
WIRE 368 144 368 128
WIRE -96 160 -96 128
WIRE 512 160 512 128
WIRE 624 160 624 128
WIRE 192 256 192 224
WIRE 368 256 368 224
WIRE 368 256 192 256
WIRE -96 272 -96 240
WIRE 368 272 368 256
WIRE 512 272 512 224
WIRE 624 272 624 240
WIRE 192 288 192 256
WIRE 192 368 192 352
WIRE 368 384 368 352
WIRE 192 464 192 448
FLAG -96 272 0
FLAG 368 384 0
FLAG -96 128 IN
FLAG 512 272 0
FLAG 688 128 OUT
FLAG 624 272 0
FLAG 192 464 0
SYMBOL voltage -96 144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 48
SYMBOL res 352 128 R0
SYMATTR InstName R1
SYMATTR Value 200
SYMBOL res 352 256 R0
SYMATTR InstName R2
SYMATTR Value 4.53k
SYMBOL LT317A 192 128 R0
SYMATTR InstName U1
SYMBOL cap 496 160 R0
SYMATTR InstName C1
SYMATTR Value 20u
SYMATTR SpiceLine Rser=8.33m
SYMBOL current 624 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PULSE(30m 12 5u 10n 10n 1u)
SYMBOL cap 176 288 R0
SYMATTR InstName C2
SYMATTR Value 15n
SYMBOL res 176 352 R0
SYMATTR InstName R3
SYMATTR Value 0
SYMBOL res 496 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1u
TEXT 72 -16 Left 2 !.tran 0 200u 0 50n
TEXT 80 -40 Left 2 ;'LT317A 12A Load Transient Response

 

[Long Hair]

Robert Baer wrote:

krw@notreal.com wrote:
On Thu, 15 Feb 2018 22:58:17 -0800, Robert Baer
robertbaer@localnet.com> wrote:

snip

Time is money. Hungry Man knows it as well as McD's.

NO veggies, just a dinky chunk of meat and little else.
If the price was 1/3 what one sees,it might be of decent value but
still crap WRT any kind of balanced meal.

This one eats good...

http://gifgifmagazine.com/girl/

 

[Long Hair]

Robert Baer wrote:

oldschool@tubes.com wrote:
Kind of off topic, but I have a prepaid flipphone cell phone. Almost
every day I get messages showing a text message that is listed as n/a on
my screen. None of them are valid phone numbers. Most are 5 digits. What
the heck are these? I assume it's some sort of advertising (spam), but
they are always blank, so whats the point?

I can be on a call, or preparing a text message and I hear a beep. Then
it shows those n/a things.....

Quite annoying!

Also annoying are calls that either have no phone number, a
non-existent number, or unlisted number.
First two types are most common.

Bring up your call log and block each one.

No more car warranty upgrade spam calls.

 

[John Larkin]

On Wed, 21 Feb 2018 07:12:38 -0500, bitrex
<bitrex@de.lete.earthlink.net> wrote:

On 02/20/2018 10:48 PM, John Larkin wrote:
On Tue, 20 Feb 2018 21:40:31 -0500, bitrex
bitrex@de.lete.earthlink.net> wrote:

On 02/20/2018 08:43 PM, Paul Hovnanian P.E. wrote:
Jim Thompson wrote:

https://www.nbcbayarea.com/news/local/Diseased-Streets-472430013.html

If they are smart, they won't wake up the hobos before running the steam
cleaner down the sidewalk.


The news story claims "Over 100!" discarded IV needles found in the
areas they surveyed but you can easily click through all the "red"
streets in the map and see that the tally tops out at barely 50. And
there are big clumps of 7 or 10 needles in some locations.

Pay one or two bums a couple bucks to dump their spent needles in a
couple locations and hey presto you've got yourself a story.

And you have an army of well-paid attorneys, consultants, NGOs,
providers, and city staffers actually soaking up the funding.

We never go downtown. That's for bankers and tourists. Our
neighborhood is green, quiet, clean, and safe.

https://www.dropbox.com/s/kpl55nnziaubq9z/Ohlone_Way_3.jpg?raw=1

I've never seen a needle on Ohlone Way. You might get stuck picking
blackberries.



It's a histrionic "story" crafted to play well with histrionics of all
political persuasions, left or right few Americans can seem to resist a
good "OMG THINK OF THE CHILDREN!" tale.

Meanwhile I'd estimate statistics on the number of children who could be
confirmed to have caught the AIDS or any infectious disease from any
discarded IV needle in SF or any other large city for that matter is
likely pretty close to 0.

The HIV virus is fragile out on its own.

--

John Larkin Highland Technology, Inc trk

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com

 

[Long Hair]

Bill Beaty wrote:

On Wednesday, February 14, 2018 at 2:56:10 AM UTC-8, olds...@tubes.com wrote:

But no smartphones for me. When I am away from my computer, I dont want
to be staring at a screen, and I dont use facebook or crap like that.
Plus smartphone service is damn expensive.

Kids these days, they just don't realize the joys of TECHNOLUDDITE

Try flip phone wo/camera, plus HMX-W300 waterproof HD cam (ultra cheap manuf refurb, must add your own SD card mem.) No temptation to check mail.

And little tiny lens on Swiss Army knife for IC numbers (the older Explorer model knife still has the glass 15mm lens.)

Waterproof video camera... GoPro Hero 6 or Hero 5 Session.

4K cameras... stablized recording... Wow... I am impressed.

 

[John Larkin]

On Wed, 21 Feb 2018 13:58:24 +0100, David Brown
<david.brown@hesbynett.no> wrote:

On 21/02/18 13:12, bitrex wrote:
On 02/20/2018 10:48 PM, John Larkin wrote:
On Tue, 20 Feb 2018 21:40:31 -0500, bitrex
bitrex@de.lete.earthlink.net> wrote:

On 02/20/2018 08:43 PM, Paul Hovnanian P.E. wrote:
Jim Thompson wrote:

https://www.nbcbayarea.com/news/local/Diseased-Streets-472430013.html


If they are smart, they won't wake up the hobos before running the
steam
cleaner down the sidewalk.


The news story claims "Over 100!" discarded IV needles found in the
areas they surveyed but you can easily click through all the "red"
streets in the map and see that the tally tops out at barely 50. And
there are big clumps of 7 or 10 needles in some locations.

Pay one or two bums a couple bucks to dump their spent needles in a
couple locations and hey presto you've got yourself a story.

And you have an army of well-paid attorneys, consultants, NGOs,
providers, and city staffers actually soaking up the funding.

We never go downtown. That's for bankers and tourists. Our
neighborhood is green, quiet, clean, and safe.

https://www.dropbox.com/s/kpl55nnziaubq9z/Ohlone_Way_3.jpg?raw=1

I've never seen a needle on Ohlone Way. You might get stuck picking
blackberries.



It's a histrionic "story" crafted to play well with histrionics of all
political persuasions, left or right few Americans can seem to resist a
good "OMG THINK OF THE CHILDREN!" tale.

Meanwhile I'd estimate statistics on the number of children who could be
confirmed to have caught the AIDS or any infectious disease from any
discarded IV needle in SF or any other large city for that matter is
likely pretty close to 0.

That statistic is probably accurate. However, it is pretty unpleasant
to find discarded needles around the place, especially if you are
talking about parks, schools, kindergartens, etc. This applies whether
you are a child, adult, or whatever.

Of course, it is not the only thing left lying around by inconsiderate
people - dog turds probably lead to far more infections (they used to be
the leading cause of childhood blindness), and cigarette stubs abound in
some places.

Nearly all dog owners here carry plastic bags and pick up after their
dogs. Nobody picks up after the birds, cats, coyotes, raccoons,
possum, squirrels, or the small rodents.


--

John Larkin Highland Technology, Inc trk

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com

 

[Long Hair]

bill.sloman@ieee.org wrote:

However I think he suffers from carotene poisoning...

And bone spurs on his heels. Neither of those problems bothers other people.

Joe DiMaggio had bone spurs... REAL bone spurs.

Donald J. Trump asked his daddy to get him a doctor to keep him out of
the draft. NYC shit doctor said "Here is a list of things that will
keep you out." And Daddy or the DonaldTard picked "bone spur". The
motherfucking lying bastard was out playing sports the very next week.

Whereass Joe DiMaggio lined up and signed up for the war effort and
went despite REAL bone spurs and REAL pain, and there were REAL Xrays to
prove it.

Donald J. Trump is a wussified, pussified draft evader, and nothing
more.

He got booted from his military school and he did NOT "graduate" from
the business school "with honors" or otherwise.

Daddy paid for everything and Daddy taught him how to suck rents (and
raise them) with the worst of them, and taught him to get lawyers and
others to do all those things he claims that HE did. He is about the
most stupid man I have ever witnessed on live TV, coming in just a feral
pig's tooth above Hulk Hogan's son.

 

[John Larkin]

On Wed, 21 Feb 2018 10:03:42 -0500, Phil Hobbs
<pcdhSpamMeSenseless@electrooptical.net> wrote:

On 02/20/2018 10:14 PM, John Larkin wrote:
On Tue, 20 Feb 2018 19:01:33 -0800 (PST), tabbypurr@gmail.com wrote:

I'm looking at putting together something similar to a Class AB/B audio amp, but it will be driven outside its linear range into saturation a lot of the time. That's all well & good but for one thing: wrapping nfb round saturating outputs doesn't work too well as it takes time for output devices to unsaturate, and the nfb effectively overreacts, adding distortion. Keeping distortion low matters here. What tips would you recommend to keep unwanted distortion minimised?


thanks, NT

Lots of rail-rail output opamps come off the rails clean and fast. One
architecture has a lot of wideband gain inside the amp, and the major
loop compensation is a cap from the output pin back into a late gain
stage. So there's no internal, buried compensation pole to wind up
when the output stage clips.


Those ones (e.g. the AD8605, a fave) also have much lower open-loop
output impedance, because of course the local feedback means they aren't
really running open loop. I use those ones for driving single-ended
ADCs a fair amount, and they work great.

Cheers

Phil Hobbs

In the usual opamp, or the usual 3T regulator, adding a capacitive
load adds a pole to the closed loop and makes the loop higher order,
less stable. In the kind I mentioned, adding a load cap just makes the
dominant pole slower, more stable.

Those types make good comparators too, in the 1 us sort of range.


--

John Larkin Highland Technology, Inc trk

jlarkin att highlandtechnology dott com
http://www.highlandtechnology.com

 

[Long Hair]

whit3rd wrote:

On Monday, February 19, 2018 at 10:14:36 AM UTC-8, John Larkin wrote:
On Mon, 19 Feb 2018 09:55:33 -0800 (PST), George Herold

Grin, maybe some stick-ons on the glass. A few tasteful fig leaves
or something. That would let you 'see' the glass too.

Not in the dark! A dim shower overhead light might have good optics.


How about glow-in-the-dark tape? I've used that on some
door edges (it's not noticeable during the day, but a dark-adapted eye sees it clearly).

It would be amusing to hide some UV nightlights in innocuous places,
like behind a light switch plate, both so you can find the switch,
and to keep the phosphors on the opposite side of the room pumped up.

He is in San Fransisco... He could hang glow in the dark dildos all
over the walls... Then his wife (and daughter) could learn to service
his friends and associates properly.

http://gifgifmagazine.com/girl/

 

[Long Hair]

oldschool@tubes.com wrote:

made sure to tell them exactly how I felt about their warranty (or
lack of one). And let them know that I will not buy anything from their
company anymore.

Many Ebay sellers are actual stores. You may still have them under a
proper warranty obligation.

 

[Long Hair]

John Larkin wrote:

snip

That's nothing. Some people draw resistors as BOXES, and pots as boxes
hit by arrows. Some people actually draw an AND gate as a square with
an ampersand inside. People use reference designators for things that
don't exist, like TR3 and IC12 and RLY2 and POT1. It's the Wild West
out here.

The box resistor is a British thing. Reference designators have some
standardized calls, but there is no rule that they have to follow.

That is why a simple diode can show as "D1" or as "CR1".

 

[Long Hair]

makolber@yahoo.com wrote:

I think you've just outed yourself as liar for hire. And a fairly dumb one at that.

--
Bill Sloman, Sydney

Seems the country is becoming divided.

Political arguments all over usenet, facebook etc etc.

I am wondering if this decisiveness is being intentionally engineered for a reason or?

mark

"decisiveness"?

Division...

Divided...

"Divisive" is likely what you were after.

 

On Wednesday, February 21, 2018 at 11:39:18 AM UTC-5, Long Hair wrote:

makolber@yahoo.com wrote:



I think you've just outed yourself as liar for hire. And a fairly dumb one at that.

--
Bill Sloman, Sydney

Seems the country is becoming divided.

Political arguments all over usenet, facebook etc etc.

I am wondering if this decisiveness is being intentionally engineered for a reason or?

mark


"decisiveness"?

Division...

Divided...

"Divisive" is likely what you were after.

yeah typo