Re: [Emc-users] OT: What Is It?

2017-02-21 Thread Dave Cole
Once it was stated what it was the thrill was gone. :-) My Dad has a Cyber Tig. Its a heavy machine. We had to adjust the spark gap many years ago, but those electrodes are pretty beefy and last a long time. Dave On 2/20/2017 4:37 PM, Kirk Wallace wrote: > On 02/17/2017 07:23 PM, Erik

Re: [Emc-users] OT: What Is It?

2017-02-20 Thread Erik Christiansen
On 20.02.17 13:37, Kirk Wallace wrote: > I'm a little surprised that this "What's It" didn't get more replies. > The pictures are of my Hobart TIG welder's spark gap assembly. The spark > gap is used in a circuit that adds a high frequency signal to the torch > to aid in starting an arc without

Re: [Emc-users] OT: What Is It?

2017-02-20 Thread John Figie
It looks like some kind of RF noise generator. Actually the file path name with "TIG" in it gives it away. On Feb 20, 2017 5:30 PM, "dave" wrote: I think you just answered your own question. I suspect the spark gap generated the hi-freq that makes non-contact arc start

Re: [Emc-users] OT: What Is It?

2017-02-20 Thread dave
I think you just answered your own question. I suspect the spark gap generated the hi-freq that makes non-contact arc start possible. If you remember the earliest transmitters were a spark gap ... eg. wide-band noise. W in your tig weld is a cause for automatic rejection (missile propellant

Re: [Emc-users] OT: What Is It?

2017-02-20 Thread Kirk Wallace
On 02/17/2017 07:23 PM, Erik Christiansen wrote: > On 17.02.17 10:17, Kirk Wallace wrote: >> I know what it is, but while cruising through my pictures I got the >> notion that these look like a "What Is It" kind of thing. I thought I'd >> post them just for fun. > > Kirk, the patterns arising from

Re: [Emc-users] OT: What Is It?

2017-02-17 Thread Erik Christiansen
On 17.02.17 10:17, Kirk Wallace wrote: > I know what it is, but while cruising through my pictures I got the > notion that these look like a "What Is It" kind of thing. I thought I'd > post them just for fun. Kirk, the patterns arising from the metal transfer are intriguing. The next question,

Re: [Emc-users] OT: What Is It?

2017-02-17 Thread Dave Caroline
Classic metal transfer due to the arc Dave Caroline -- Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot

Re: [Emc-users] OT: What Is It?

2017-02-17 Thread Kirk Wallace
On 02/17/2017 10:27 AM, Bengt Sjölund wrote: > Sparkgaps I recall that the second picture (6906) was hard to get. The interference was shutting the camera down. I had to back off about 4 meters, zoom in and crop a lot of the picture. It's fuzzy and still has some noise. > > Den 2017-02-17 kl.

Re: [Emc-users] OT: What Is It?

2017-02-17 Thread Bengt Sjölund
Sparkgaps Den 2017-02-17 kl. 19:17, skrev Kirk Wallace: > I know what it is, but while cruising through my pictures I got the > notion that these look like a "What Is It" kind of thing. I thought I'd > post them just for fun. > >