jonnyGURU Forums
Home Site Search Reviews Articles Contest Links PSU FAQs  


Go Back   jonnyGURU Forums > Search Forums

Showing results 1 to 25 of 500
Search took 0.03 seconds.
Search: Posts Made By: ashiekh
Forum: General PC Hardware 1 Hour Ago
Replies: 6
Views: 633
Posted By ashiekh
In a case like this I think using multiple power...

In a case like this I think using multiple power supplies would be an issue.
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 30
Views: 765
Posted By ashiekh
I'd oil the fan and use Japanese secondary...

I'd oil the fan and use Japanese secondary capacitors.

I know that many here would not agree, and I'm fine with that;
it's just that this approach works well for me.
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 17
Views: 312
Posted By ashiekh
Quite the deal on the EVGA 500 BR (500W for $20...

Quite the deal on the EVGA 500 BR (500W for $20 with shipping; $55 on Amazon); mentioned on other threads, but thought it worth mentioning again
...
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 30
Views: 765
Posted By ashiekh
A whole power supply for the price of a fan......

A whole power supply for the price of a fan... the world has gone crazy.
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 30
Views: 765
Posted By ashiekh
Or get an EVGA 500 BR supply with postage for $20...

Or get an EVGA 500 BR supply with postage for $20 (as pointed out by mazeroth)

https://www.evga.com/products/product.aspx?pn=100-BR-0500-K1

I have had sleeve fans fail when new, but never after...
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 6
Views: 170
Posted By ashiekh
EVGA 500 BR link for others ...

EVGA 500 BR link for others
https://www.evga.com/products/product.aspx?pn=100-BR-0500-K1

Specs
https://www.evga.com/products/Specs/PSU.aspx?pn=da1b9615-b0a9-4a11-a94d-da64dad7270c
500W at 30C...
Forum: PC Power Supply Discussion 1 Day Ago
Replies: 17
Views: 312
Posted By ashiekh
If the supply is 80% efficient then the computer...

If the supply is 80% efficient then the computer is consuming 285W




I run mine maybe 8 hours a day and in the Summer heat, so I'd say a generous derating was justified even there.

My point...
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 17
Views: 312
Posted By ashiekh
Which suggests the power supply calculators are...

Which suggests the power supply calculators are conservative by a factor of 2, which leaves one running the supply at half full load; probably a good spot to be at.
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 16
Views: 335
Posted By ashiekh
A most excellent point, and made better than I...

A most excellent point, and made better than I could; one just doesn't want to accidently connect two power supplies in parallel.
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
Fascinating how there are 3 different blade...

Fascinating how there are 3 different blade types; so the repetition is still prime, namely 3 (9/3)
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
I thought the Noctua NF-S12B is 7 bladed? ...

I thought the Noctua NF-S12B is 7 bladed?
...
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
If there are 7 blades for example one has...

If there are 7 blades for example one has harmonics at 7 times the rotational frequency

If there are 6 blades one has harmonics at 6, 3 and 2 times the rotational frequency
Forum: PC Power Supply Discussion 2 Days Ago
Replies: 16
Views: 335
Posted By ashiekh
I suspect that high power video cards are...

I suspect that high power video cards are designed to be able to use an external power supply without problems.
Forum: PC Power Supply Discussion 3 Days Ago
Replies: 16
Views: 335
Posted By ashiekh
Switched-mode Power Supply Handbook Billings...

Switched-mode Power Supply Handbook
Billings and Morey, 3rd Edition

Part 1, section 24
Parallel Operation of Voltage-Stabilized Power Supplies

"
… when such supplies are connected in...
Forum: PC Power Supply Discussion 3 Days Ago
Replies: 14
Views: 475
Posted By ashiekh
18 gauge has 0.02 ohms per meter; put 10 amp...

18 gauge has 0.02 ohms per meter; put 10 amp through this and one has a voltage drop of 0.2V

Manufacturers would not put voltage drop compensation into a system if it was not significant
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 5
Views: 221
Posted By ashiekh
Robert Pease in Troubleshooting Analogue Circuits...

Robert Pease in Troubleshooting Analogue Circuits (P77) quotes MIL-217 that concludes that "a circuit's reliability decreases when components are added"; but he objects on the grounds that some of...
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
I've always felt that the number of blades should...

I've always felt that the number of blades should be a prime number, which is not the case for some of the fans you listed.

How is flow rate measured? for a fan pulls air around the outside...
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 14
Views: 475
Posted By ashiekh
You are going to remove the Kelvin contacts...

You are going to remove the Kelvin contacts (sensing wires)? that will mess up voltage regulation.
Forum: PC Power Supply Discussion 4 Days Ago
Replies: 5
Views: 221
Posted By ashiekh
30 ms is double the Intel spec, so get a good...

30 ms is double the Intel spec, so get a good supply and run it at half its rated power; this will also significantly extend its MTBF

I once took a hard drive and formatted it to less than full...
Forum: PC Power Supply Discussion 5 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
The problem with engine oil (as I use) is that it...

The problem with engine oil (as I use) is that it has detergents that keeps particulate matter in circulation.

But I think fully synthetic is important as I expect my fans (computer and house) to...
Forum: PC Power Supply Discussion 5 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
I have a quart of fully synthetic 5W-50; also use...

I have a quart of fully synthetic 5W-50; also use it on all the house fans. I see that 0W-50 and 10W-60 now also exists

For the car I'm wondering about 20,000 mi oil...
Forum: PC Power Supply Discussion 5 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
I use engine oil, it damps a lot of bearing...

I use engine oil, it damps a lot of bearing vibration.
Forum: PC Power Supply Discussion 6 Days Ago
Replies: 30
Views: 765
Posted By ashiekh
For fun you might want to try oiling the original...

For fun you might want to try oiling the original and seeing how that works, or using a Delta AFB1212L which has ball bearings.
Forum: PC Power Supply Discussion 6 Days Ago
Replies: 17
Views: 681
Posted By ashiekh
I recently got a Seagate Solid State Hard Drive...

I recently got a Seagate Solid State Hard Drive only to find they are also being faked (regular units relabeled)

I think this might be part of the reason they made the label harder to fake...
Forum: Electronic Theory and Principle 6 Days Ago
Replies: 20
Views: 16,769
Posted By ashiekh
Came in yesterday, but I haven't really started...

Came in yesterday, but I haven't really started it yet.
Showing results 1 to 25 of 500

 
Forum Jump

All times are GMT -4. The time now is 02:25 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Copyright © JonnyGURU.com 2000 -