Brad point drills are another type of drill suitable for drilling cigar boxes. I hadn't thought of that. As for drilling plastic and plexiglass, I use old...
14930
Hue Miller
xtemporize
Jun 1, 2012 7:56 am
Leonard, any words of wisdom on drilling holes in very thin plastic, like smallish, clear plastic boxes that some early radio kits came in? Pretty fragile...
14931
Leonard Meek
leonardmeek
Jun 1, 2012 8:30 am
If the hole is not too small, I use the tip of my soldering pencil to melt through the plastic. It doesn't stress the plastic and leaves a smooth edge around...
14932
Hue Miller
xtemporize
Jun 1, 2012 8:43 am
That doesn't leave a raised edge from the displaced plastic? -Hue From: Leonard Meek Sent: Friday, June 01, 2012 1:30 AM To: regenrx@yahoogroups.com Subject:...
14933
Leonard Meek
leonardmeek
Jun 1, 2012 9:04 am
It does to some extent, but it can be trimmed. It kind of depends on how perfect a hole you want. If you start with a hole smaller than you need, you can...
14934
Jim
k9jfk
Jun 1, 2012 2:51 pm
Hi, Maybe you shouldn't use a "bit" of any sort; a sharp hobby knife may be better. A cigar box may be "stiff", but it is still pressed paper. Might also try...
14935
astro boy
ell_magic
Jun 3, 2012 2:22 pm
Ok here is my 2 cents ..,, Here in Ausie land one can buy a compass that has a blade on one side and a needle on the thuer ... So just dig in the needle...
14936
Leonard Meek
leonardmeek
Jun 3, 2012 5:33 pm
There's probably as many ways to drill a hole in a cigar box as there are mambers of this group. Just use the one that best suits your purpose. ... From:...
14937
Leonard Meek
leonardmeek
Jun 3, 2012 7:44 pm
I just posted some changes to the Mk.18 schematics, mostly labeling changes. I wanted to use something other than the 12AH7GT detector but I don't have...
14938
kyoritsu
Jun 3, 2012 11:22 pm
Leonard, can you increase the scan resolution of your schematic? When I enlarge it, the detail starts to pixelate. It's hard to make out the values. Is this...
14939
Leonard Meek
leonardmeek
Jun 4, 2012 2:19 am
Rob, the schematic I posted is jpeg, and is a relatively small file. I can try posting it in bmp but I don't know if that will improve the resolution. Let me...
14940
Wilson Lamb
infomet2003
Jun 4, 2012 3:20 am
Gasket cutter! Harbor freight, or make by sharpening a piece of tubing by beveling the outside. The bevel should be quite long, so it doesn't spread the...
14941
Leonard Meek
leonardmeek
Jun 4, 2012 8:34 am
Rob, I raised the resolution to 600DPI but it doesn't seem to make much difference in the schematic. Leonard [Non-text portions of this message have been...
14942
dr_telecom
Jun 4, 2012 5:45 pm
There's an old Philmore NR-300 one tube regen kit up for sale on Ebay...complete with the schematic and parts layout there. Apparently it took a Novice POwer...
14943
tbs50a@...
radioroslyn
Jun 4, 2012 10:16 pm
... From: dr_telecom <dr_telecom@...> To: regenrx <regenrx@yahoogroups.com> Sent: Mon, Jun 4, 2012 1:45 pm Subject: [regenrx] NR-300 PHilmore up for bid...
14944
Leonard Meek
leonardmeek
Jun 5, 2012 6:47 pm
Rob, increasing the resolution didn't seem to help so I uploaded the schematic to Regenrx 2 Files. But my anti virus won't let me open it to check it. I...
14945
jim_kr1s
Jun 5, 2012 7:05 pm
I find it preferable to save schematics in PNG format. 73, Jim, KR1S http://kr1s.kearman.com/ http://qrp.kearman.com/...
14946
qrpbear
Jun 5, 2012 7:08 pm
Leonard, If you are talking about Mod 2 Schematic 1.jpg there is absolutely nothing wrong with the schematic. I just looked at it. It's clean and sharp with no...
14947
Leonard Meek
leonardmeek
Jun 5, 2012 7:45 pm
Hi, Bear. I just changed my screen resolution to 1024X760, so I'll see how that looks. The print is a little small for me, but if it comes out clear, I'll post...
14948
Leonard Meek
leonardmeek
Jun 5, 2012 8:56 pm
I'm not sure what I'm doing here, but I still can't open my Mod 2 Schematic file in Regenrx 2. But I can save it with "Save Target as..." to a temp file and...
14949
John Ruccolo
jr6v6gt
Jun 6, 2012 3:26 am
Dr. T, You showed great trust in this group for pointing out a desirable item on ebay *before* the auction was completed. I won't bid on it. But thanks...
14950
Hue Miller
xtemporize
Jun 6, 2012 5:00 am
John- ‘Walter Ashe Radio’ provided a similar kit, but I think the transmitter was only a single 6L6. I have the ‘Radio News’ articles “somewhere”...
14951
thb201
Jun 6, 2012 2:29 pm
Anyone have an idea what that "audio transformer" might be? Could it be the usual 1:3 interstage? John...
14952
dr_telecom
Jun 6, 2012 4:47 pm
Most likely an interstage 1:3 transformer. It's what was used back then. Yes, the kit looks home made....if it weren't for the labels on the tuning...
14953
Adrian Flynn
k7sva
Jun 6, 2012 5:07 pm
drT, You must not be using IE9 as it was easy to save the all of the images. I saved both small and large images with no trouble. Adrian KF7DYU ... [Non-text...
14954
John Ruccolo
jr6v6gt
Jun 6, 2012 5:56 pm
Hi Hue, Thanks much for the info. One difference between my set and the ebay set is that mine has a standard 4-prong plug, and the ebay set has 3-prong...
14955
dr_telecom
Jun 6, 2012 6:15 pm
There was also a nice Federal model 105 for sale at Dayton...but it was $800 That's a 20's vintage 'shortwave39; regen set that might make it up to 150 meters...
14956
Michael A. Bittner
kmmab57
Jun 6, 2012 7:59 pm
drT in Dallas Please advise me on what "screen grabber" program you used or would recommend. I don't have one and sure have a need for one from time to time....
14957
Bauman, John
john_kb7nrn
Jun 6, 2012 8:20 pm
IrfanView http://www.irfanview.com/ ... Michael A. Bittner Sent: Wednesday, June 06, 2012 12:59 PM SubjectRe: NR-300 PHilmore up for bid on Ebay drT in Dallas ...
14958
Leonard Meek
leonardmeek
Jun 7, 2012 6:05 pm
Acmefixer, I know I should have a neon lamp or diodes across the input to the antenna amp but so far it hasn't been necessary. Static and lightning strikes are...