Ugly Hedgehog - Photography Forum
Home Active Topics Newest Pictures Search Login Register
Posts for: aphelps
Page: 1 2 3 4 5 6 ... 61 next>>
Mar 9, 2024 08:16:15   #
charles tabb wrote:
Jerry...
I have better then that.
My son is an IT and he took my new DELL PC and added two HD's 20 TB's each and has them opperating together.
Now, when I save something it goes to both Drives.
Should one Drive fail I have a backup.
I simply remove the bad Drive and put in a new one.
It then be automatically be backed up by the good one.
I don't think I will ever need a Cloud.

Charles


Be careful you don't save errors to both.
Go to
Jan 21, 2024 13:32:43   #
DirtFarmer wrote:
l have never had a problem soldering to gold plated wires.


Gold solders very well. As with any soldering, shine and clean before attempting to solder. A very fine iron and tip. Might even file a fine tip.
A lighted magnifier will be necessary.
After 65 years of soldering experience I would not attempt it today.
Go to
Jan 21, 2024 13:20:29   #
jerryc41 wrote:
Funny you should mention that. I've been thinking about replacing my electrical panel. It's sixty years old, and it uses push-button breakers that are no longer available. I connected a separate/connected panel for the generator, so I have some experience. Still, there's a lot of electricity in there. It would be nice if I could shut off the power to the panel. I'm sure the power company could do that for me, but there would be a hefty charge, and they wouldn't like me doing it myself.

I had the power utility shut off power so I could replace the main panel
They did not charge for the service. But that was some time ago.
Go to
Dec 30, 2023 11:07:42   #
BBurns wrote:
On that note I must say that many of us old guys have a lot of stuff that doesn't work anymore like it used to!!


I have trouble finding things.
Go to
Dec 10, 2023 09:35:03   #
Longshadow wrote:
When ICs are burned-in, they are subjected to a temperature of 125°C to 180°C and under power and load for many hours.
Not like the good ones can't handle a little warmth once in a while.
But they might prefer 70-80°F more?

Your car gets to 140°F in the summer, all the electronics seem to work fine under those conditions.


"Automotive" defines a highér grade of performance spec..
Go to
Dec 1, 2023 10:06:29   #
jerryc41 wrote:
It's a shame that Bg Business had to ruin TV. We currently have Spectrum cable without local stations. If I want to watch regular TV, I'd have to get a Spectrum DVR and start paying for that every month.


Jerry, are you too distant from local stations to receive OTA programming?
Go to
Nov 24, 2023 09:45:22   #
jerryc41 wrote:
She's a billionaire now, so she would be a better choice.


Can't spend a dime of it on the island.
Go to
Nov 22, 2023 09:30:51   #
chrissybabe wrote:
That's because a fully charged battery with no load sits at a certain voltage until it is first used. Then that initial voltage drops very quickly to a flatter normal voltage which is will probably maintain for most of its life until requiring charging again. So the initial voltage might just fit in at the bottom end of the cutoff voltage for the higher rated battery, take two shots which 'burns off' that initial charge thus dropping it below the cutoff voltage and it stops working.
That is why you shouldn't use a digital voltmeter to check the voltage level of a battery because the high input impedance doesn't cause the initial no load voltage to drop to the real one. Put a load across the battery and then measure the voltage.
You must surely know this ?
That's because a fully charged battery with no loa... (show quote)


You can also track internal impedance of the pack. When that value starts to climb the end is near for the pack that seems to be fine using an open terminal voltage.
Go to
Nov 6, 2023 15:47:25   #
jlg1000 wrote:
The real reason the US does not change is not (just) because of cost... but because they don't really need to.

It happens that the US have a very small foreign industrialized goods market compared to it's internal market. So US cars are manufactured in the US and sold and maintained in the US... No need to change anything.

On the other hand the rest of the countries have smaller economies, so they have to interchange more... so they have to use the IS (international system)

Wouldn't cars manufactured in US for export be metric?

E
Go to
Nov 6, 2023 10:03:33   #
OldCADuser wrote:
Speaking of Metric versus Imperial units (I worked 14 years for an American subsidiary of a British company and we were never allowed to refer to it as the 'English System') we had a sort of joke where I went to engineering school. At the time, this was back in the late 60's - early 70's, a US highway, US-41, bisected the the campus of MTU (Michigan Technological University), resulting in about half the classrooms being on one side and the rest on the other. Now I'm sure that no one planned it this way, but the buildings where you had your math, physics, chemistry, etc, classes were on the West side of US-41 while most all of the buildings where you took your engineering classes were on the East side. Now in those days, virtually all of the so-called 'science' curriculums, like physics and chemistry, were taught using the Metric System, while most all of the engineering classes were taught using the Imperial System. So the joke was that as you crossed the highway, you had to reset your thinking, from one set of units to another.

Today, students at the school, while I'm sure that there's still a mix of Metric and Imperial units being used in the different classrooms and labs, the 'joke' about crossing the highway is no longer relevant as they rerouted US-41 so that now most all of the academic buildings are on the same side of the highway and all but one of the dorms are now on the other side. If nothing else, it's a lot safer getting from one class to another than it was when I was a student there, although getting to your dorm could still be a bit tricky.
Speaking of Metric versus Imperial units (I worked... (show quote)


Here is a handy conversion chart.

Attached file:
(Download)
Go to
Nov 3, 2023 09:39:14   #
travelwp wrote:
From what I read, the Israelis have vowed to completely destroy Hamas. I guess it's going to be a long war.

Compounding the problem is the cry from outsiders for Israel to provide humanitarian aid to Palestinians, when in fact, Palestinians side with Hamas. It would appear that to destroy Hamas, all Palestinians in Gaza must be destroyed too.


Would a "bunker buster" take care of Hamas' tunnels?
Go to
Oct 27, 2023 11:09:42   #
bcheary wrote:
Good set Bubba. I hope your recovery goes well. Been there done that (6 screws in the L3/L4 area)

Best wishes Bubba. Been there: 26 screws, 4 rods. T5 to S1.
Go to
Oct 16, 2023 06:17:22   #
Dan Thornton wrote:
The first four images were taken with a solar filter, and I increased the warmth and cropped the images. The next four images were taken without a filter by using high shutter speed, narrow apertures, and low ISO. The clouds are apparent in the unfiltered images as well as some interesting distortion. The first image shows some sun spots, and the third image has orange color I added. I hope you enjoy them.


Very nice work with difficult subject. Did you bracket exposures as the eclipse progressed?
Go to
Oct 12, 2023 12:22:49   #
thom w wrote:
On the cell end, how much it is theoretically possible to increase the power per square foot would depend on the efficiency of current cells. !00% would be the limit, and that will never be possible. Technology does change, and very quickly, but it will never be possible to get more out than you put in.


And don't forget providing for bad weather. Power storage of this magnitude is expensive.
Go to
Oct 12, 2023 12:19:40   #
Using today's solar panels, you would need to cover your roof, backyard and front yard with panels. Even then, it would not be a viable was to charge an ev. For the foreseeable future we will rely on coal powered electric to support the grid.
Go to
Page: 1 2 3 4 5 6 ... 61 next>>
UglyHedgehog.com - Forum
Copyright 2011-2024 Ugly Hedgehog, Inc.