... of ... I just spent about 5 hrs trying to get a reliable silver soldered joint between steel and steel, using Harris Safety-Silv-45 and their generic...
1021
James Lerch
lerchman_33713
Apr 5, 2005 6:21 am
... From: "arcstarter" <arcstarter@...> ... I tried silver soldering my cold rolled steel plate, for the same problem, pinholes. I used a white powdered...
1022
ed ward
edsworkshp
Apr 5, 2005 10:54 am
borax works very well I use it all the time-ed ... __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best...
1023
jrrymiller
Apr 6, 2005 3:40 pm
Bill, I am no expert on welding but I do know that to take any kind of solder the surface must be very clean. I use a rotary wire brush on my drill motor as...
1024
rbrtferrari
Apr 7, 2005 8:14 pm
Fellows, Anyone familiar with pinch-off tools for cold sealing of exhaust tubulations? I wish to buy one for 1/8" tubulations, preferably hand-driven but can ...
1025
Ken Hunter
atm_ken_hunter
Apr 8, 2005 2:19 am
So... Paint the tank while under a vacuum. Any small pin holes will suck the paint into the hole and plug it up. Larger holes will suck the paint all the way...
1026
John Dykins
mat95esa
Apr 8, 2005 1:32 pm
I have done this at a previous company. They used a hand pumped hydraulic one that was the size of a car jack. The tubing should be clean soft copper (ie...
1027
Gomez Addams
railgap
Apr 8, 2005 1:46 pm
... Has anyone else had trouble convincing McMaster-Carr to send you a catalog, or is it just me? I even work for a high tech engineering company and requested...
1028
John Dykins
mat95esa
Apr 8, 2005 4:09 pm
I have had trouble too. I think it depends on $$$$ sales to you / your company. I have an older one handed down by someone who got the latest. It is not too...
1029
Thomas
t_janstrom
Apr 9, 2005 7:31 am
Well after much work and very little play I have managed to get the first stage of my website's rebuild done and uploaded! The URL is still the same one that's...
1030
Peter J. Stonard
analogvideo
Apr 11, 2005 6:46 am
Greetings, I'm a lurker on this group; my interest is in neon tube design and construction as an art expression. I've only recently tried my hand at the craft...
1031
Ken Hunter
atm_ken_hunter
Apr 11, 2005 8:49 pm
Unfortunately for me, I find myself in a bit of a financial shortcoming. If anyone is SERIOUSLY interested in purchasing a 26+ inch diameter X 1- 5/8 thick...
1032
Ken Hunter
atm_ken_hunter
Apr 12, 2005 7:13 am
I've put up a simple website showing the tip of the IceBerg at: http://www.geocities.com/atm_ken_hunter Was spending too much time answering questions and...
1033
t_janstrom
Apr 12, 2005 12:52 pm
Hi Ken, Sorry to hear that your up for some big expences, medical bills are never what they should be. I hope that you get what you need with out having to...
1034
Ken Hunter
atm_ken_hunter
Apr 13, 2005 12:00 am
... Thomas, Thanks for the Querry and condolences. ... one on the second page), Google for T469SP... I find the following link: ...
1035
rbrtferrari
Apr 14, 2005 12:09 pm
Thanks, fellows. Still lurking without a clear view of how are the jaws in the vise grips offered in the web. I think will make my own. Roberto...
1036
Thomas
t_janstrom
Apr 17, 2005 6:22 am
Hi All, Just a quick question on how to wire up a transformer, please see the following link to see what I think I should do. ...
1037
James Lerch
lerchman_33713
Apr 17, 2005 7:01 am
Transformer wiring question----- Original Message ----- From: Thomas Hi All, Just a quick question on how to wire up a transformer, please see the following...
1038
t_janstrom
Apr 17, 2005 12:39 pm
Assumption 1 is the way it is right now. Over here house current is a single phase at 240V, ie. there's a neutral, and an active. What you describe is what we...
1039
t_janstrom
Apr 17, 2005 12:51 pm
James et al. I have put up another pic, this one is of the transformer itself. I have labelled the wires to follow the convention I set out earlier. I'm not ...
1040
James Lerch
lerchman_33713
Apr 17, 2005 4:37 pm
MessageOK, Time to break out an OHM meter, or at least a continuity tester. Measure transformer A - B , which should be a small value, but everything is...
1041
t_janstrom
Apr 18, 2005 11:22 am
James et al. Answers etc in the text below. So I guess that's that, I now know how to wire this beasty up. Thanks all for your help! Clear skies, Thomas...
1042
t_janstrom
Apr 18, 2005 11:44 am
Just thought I'd upload a pic of how big this beasty is so I put a pic up the same place as all the other pics in this thread. For those not following this...
1043
glasspusher2000
Apr 19, 2005 6:29 pm
I have managed to aquire a very old edwards coating unit, I am hoping to use it to aluminise telescope mirrors, I'm having some problems and thought I prevail...
1044
t_janstrom
Apr 19, 2005 10:01 pm
Hi John, It sure does sound like you have a leak, the roughing pump should be able to get the system down to about 1 X 10^-2 mm Hg, at a minimum, some pumps...
1045
jrrymiller
Apr 20, 2005 4:34 am
... John, I concur with Thomas' analysis. I also started with a commercial unit, leak detector in my case, It took me a while and some examination of the...
1046
ed ward
edsworkshp
Apr 20, 2005 10:26 am
your pump sounds like it has a leaking intake valve if oil is flowing with any speed this will cause the pump not to work at full vacuum just an idea--ed ... ...
1047
tek654
Apr 20, 2005 4:11 pm
John, Welcome to the group, A few comments on your system.. If you're starting from scratch with a totally unknown system start by disconnecting the pump and...
1048
jrrymiller
Apr 20, 2005 7:34 pm
John, This is good advice from Brian. I wish that I knew the alcohol trick, it would have saved me a lot of time. Jerry...
1049
David Grove
dgrove66
Apr 20, 2005 7:52 pm
Alcohol works great. Do NOT use leak tech or any other soap type product. Put soap on the leak and you end up with a leak and a system full of bubbles (comical...
