Search found 28 matches

by N4TAB-Tom
23 May 2016, 18:44
Forum: Elite Ammunition
Topic: S4M Replacement S4Ti
Replies: 21
Views: 9322

Re: S4M Replacement S4Ti

Golly, Gee Whillikers, Mister....................

Umm.....Yeah..

Tom
by N4TAB-Tom
10 Feb 2016, 11:31
Forum: Factory Loaded Ammunition
Topic: bought 5.7 ammo RECENTLY?
Replies: 541
Views: 117882

Re: bought 5.7 ammo RECENTLY?

FYI

Wednesday, 10FEB16, Palmetto State Armory has American Eagle 40Gr FMJ, box of 50 as their Daily Deal for $13.99/box.

Tom
by N4TAB-Tom
10 Jun 2015, 18:51
Forum: Lounge
Topic: What are you reading now?
Replies: 396
Views: 49233

Re: What are you reading now?

I, Ripper by Stephen Hunter (author of the Bob Lee Swagger books, among others). A magnificent writer who delves into Jack the Ripper in an historical fiction style, but with two first person characters. Very well done.

Tom
by N4TAB-Tom
04 Jun 2015, 12:15
Forum: Lounge
Topic: Power Banks
Replies: 9
Views: 3384

Re: Power Banks

I have one and it works well. Just fully charge it before a trip. It has a BIG internal battery and will never fully charge from a computer USB port. Get the recommended charger - or one rated at least 2.5A at 5VDC.

Tom
by N4TAB-Tom
31 Dec 2014, 20:54
Forum: Lounge
Topic: Happy New Year
Replies: 4
Views: 1782

Re: Happy New Year

Happy New Year from Central NC.

Really good group and honored to be in the midst, thereof.

Tom (N4TAB-TOM)
by N4TAB-Tom
13 Jan 2014, 13:20
Forum: Lounge
Topic: Completely unrelated
Replies: 420
Views: 115362

Re: Completely unrelated

That's a common 0.100" spacing female header. May be used for wire jumper connections, plug-in socket for a male header for off-board wiring or a test point. Looking at the adjacent resistors and their values (3 X 1K), I'd guess that LEDs might connect via that header.

Tom
by N4TAB-Tom
29 Jul 2013, 19:48
Forum: Lounge
Topic: Is your weapon collection complete?
Replies: 32
Views: 5190

Re: Is your weapon collection complete?

Golly, Gee Whillikers, Mister, why would I list my stuff in a public venue?

JMO, Sir..
by N4TAB-Tom
09 Nov 2012, 11:12
Forum: Lounge
Topic: Battery question
Replies: 8
Views: 1287

Re: Battery question

Saft. Intentionally chose the non-protected cells due to the application's temp range. The PTC devices don't like -30C with a pulsatile load. We used an external temp compensated circuit for protection.
by N4TAB-Tom
07 Nov 2012, 15:55
Forum: Lounge
Topic: Battery question
Replies: 8
Views: 1287

Re: Battery question

WRT non-rechargeable Lithium D cells, I have had some experience. Have used them in extreme environments (near-space....120K ft). At -30C they can produce about 40%-50% of rated power. At typical ambient temperatures (25C), the capacity can be in the 13-15AH range. Some are available without an inte...
by N4TAB-Tom
22 Apr 2012, 19:34
Forum: Lounge
Topic: What are you reading now?
Replies: 396
Views: 49233

Re: What are you reading now?

Halfway through Philip Kerr's "Prague Fatale", just published. The latest in his Bernie Gunther series and, so far, very good. Historical fiction (WWII) and well written/contrived. In March 2000, I recall arriving at Macclesfield Station on a Virgin train from London and seeing a large banner attach...
by N4TAB-Tom
30 Jan 2012, 19:27
Forum: Politics & Activism
Topic: Where you draw the line
Replies: 60
Views: 4954

Re: Where you draw the line

*WRT individuals judged to be suicidal or otherwise suspect, where is the trusted source on either side of the argument? Who decides what? Interval? Who provides the "I'm OK, now" sticker? There is a slippery slope any time a subjective evaluation is required/offered/defined. Interesting discourse. ...
by N4TAB-Tom
23 Jan 2012, 15:29
Forum: Lounge
Topic: I Like the Look
Replies: 8
Views: 1078

Re: I Like the Look

And keep it in a safe, unloaded. Put a string tag on it showing a value of $10. Naahh. I saw a cooking show on Canadian TV years ago where James Barber suggested that upon asking a lady out for Dinner, arrive early and when she directs you to the fridge for a beer, do a quick recon and if there is n...
by N4TAB-Tom
18 Nov 2011, 17:43
Forum: Elite Ammunition
Topic: Thoughts & Prayers Needed Please
Replies: 37
Views: 3581

Re: Thoughts & Prayers Needed Please

Kind thoughts and prayers from friends and colleagues in NC. We touch by heart.

Tom
by N4TAB-Tom
23 Jul 2011, 20:26
Forum: Lounge
Topic: What are you reading now?
Replies: 396
Views: 49233

Re: What are you reading now?

Finishing Alan Furst's "The Foreign Correspondent". Historical fiction, very different from the older Masters or, of late, Phillip Kerr, but prose beyond description - not just a command of language, but a deep 'sense' of it. Plays inside your head like Cormack McCarthy or, in music, like Richard Cl...
by N4TAB-Tom
03 Jul 2011, 19:25
Forum: Lounge
Topic: Any electronics geeks?
Replies: 16
Views: 1876

Re: Any electronics geeks?

SRI, been away from the keyboard. For a typical LED lamp of the ilk that which you indicated, at least 80% of the energy consumed by the device has to be dissipated as heat. In a tiny die, 800 mW is a LOT of heat. Nothing to do with the power source, but how does that tiny die/pkg dissipate that hea...
by N4TAB-Tom
02 Jul 2011, 19:28
Forum: Lounge
Topic: Any electronics geeks?
Replies: 16
Views: 1876

Re: Any electronics geeks?

Hi, Mike. **Mods if this should go PM or private, pls advise.** The information given at the eBay site is very sparse. Typically, I would expect to see a manufacturer's datasheet of many detailed pages with all sorts of luminosity charts and, certainly, an applications section dealing with heat tran...
by N4TAB-Tom
02 Jul 2011, 11:32
Forum: Lounge
Topic: Any electronics geeks?
Replies: 16
Views: 1876

Re: Any electronics geeks?

Mike, For a series configuration, the forward voltage Vf for each LED has to be added. That's 23.8 VDC total. Don't put those across an AC line source. The maximum reverse voltage for each is around 5 VDC and on each half-cycle, the array will see the instantaneous line voltage (nominal 117 VAC). On...
by N4TAB-Tom
13 Jun 2011, 19:32
Forum: PS90 & Other 5.7x28mm Rifles
Topic: Eotech XPS3-0 vs EXPS3-0????
Replies: 5
Views: 3903

Re: Eotech XPS3-0 vs EXPS3-0????

Yep, me, too. Very effective man/machine interface. Singular purpose, very well executed. Tight weld, trained eyes, good work.

Tom
by N4TAB-Tom
31 May 2011, 16:20
Forum: Lounge
Topic: Graphics Guys.
Replies: 23
Views: 2155

Re: Graphics Guys.

Where is the origin, or 0,0 in the drawing? Fiducial? Trying to understand the scale and geometry. Maybe the leftmost lower corner?

Thanks,

Tom
by N4TAB-Tom
05 May 2011, 16:31
Forum: Lounge
Topic: Navy SEAL honored with warship
Replies: 5
Views: 797

Re: Navy SEAL honored with warship

There are men that, called to their inner duty and trained beyond the limits that most of us can understand, accomplish things that border upon the unbelievable. Yet, they do it. Such men, rare in many, if not most cultures, seem to have an unstated purpose of "I live here". What can be said, other ...