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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Cool Welding Movie
I think I learned something:
http://www.youtube.com/watch?v=vX5UNp- nZYk&feature=autoplay&list=UUTMx76hBV3f9ynEnLY686B g&lf=plcp&playnext=3 -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Software http://www.wescottdesign.com |
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#2
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Cool Welding Movie
On Dec 15, 10:32*am, Tim Wescott wrote:
I think I learned something: http://www.youtube.com/watch?v=vX5UNp- nZYk&feature=autoplay&list=UUTMx76hBV3f9ynEnLY686B g&lf=plcp&playnext=3 -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Softwarehttp://www.wescottdesign.com I counted about 4 seconds between arcs... 10,000 fps, or 2500Hz. Unless that video was of high-freq AC welding, I think now we know where the nice frying sound comes from... Dave |
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#3
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Cool Welding Movie
On Thu, 15 Dec 2011 09:19:46 -0800, Dave__67 wrote:
On Dec 15, 10:32Â*am, Tim Wescott wrote: I think I learned something: http://www.youtube.com/watch?v=vX5UNp- nZYk&feature=autoplay&list=UUTMx76hBV3f9ynEnLY686B g&lf=plcp&playnext=3 -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Softwarehttp://www.wescottdesign.com I counted about 4 seconds between arcs... 10,000 fps, or 2500Hz. Unless that video was of high-freq AC welding, I think now we know where the nice frying sound comes from... I was thinking that, too. -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Software http://www.wescottdesign.com |
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#4
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Cool Welding Movie
Dave__67 fired this volley in
: On Dec 15, 10:32*am, Tim Wescott wrote: I think I learned something: http://www.youtube.com/watch?v=vX5UNp- nZYk&feature=autoplay&list=UUTMx76hBV3f9ynEnLY686B g&lf=plcp&playnex t=3 -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Softwarehttp://www.wesco ttdesign.com I counted about 4 seconds between arcs... 10,000 fps, or 2500Hz. Unless that video was of high-freq AC welding, I think now we know where the nice frying sound comes from... Dave I think we also now know where "spatter" comes from! G Lloyd |
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#5
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Cool Welding Movie
"Dave__67" wrote in message ... On Dec 15, 10:32 am, Tim Wescott wrote: I think I learned something: http://www.youtube.com/watch?v=vX5UNp- nZYk&feature=autoplay&list=UUTMx76hBV3f9ynEnLY686B g&lf=plcp&playnext=3 -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Softwarehttp://www.wescottdesign.com I counted about 4 seconds between arcs... 10,000 fps, or 2500Hz. Unless that video was of high-freq AC welding, I think now we know where the nice frying sound comes from... Dave ********************** There a lot more than 4 displayed frames per arc cycle(and we don't know how many frames are missing either) so it's unlikely to be 2500Hz. Assuming the third text line is the time stamp(in seconds) that gives an arc period of .0095 sec or 105Hz. I was expecting 120Hz so that may not be right either. Art |
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#6
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Cool Welding Movie
Artemus wrote:
"Dave__67" wrote in message ... On Dec 15, 10:32 am, Tim Wescott wrote: I think I learned something: http://www.youtube.com/watch?v=vX5UNp- nZYk&feature=autoplay&list=UUTMx76hBV3f9ynEnLY686B g&lf=plcp&playnext=3 -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook. Why am I not happy that they have found common ground? Tim Wescott, Communications, Control, Circuits & Softwarehttp://www.wescottdesign.com I counted about 4 seconds between arcs... 10,000 fps, or 2500Hz. Unless that video was of high-freq AC welding, I think now we know where the nice frying sound comes from... Dave ********************** There a lot more than 4 displayed frames per arc cycle(and we don't know how many frames are missing either) so it's unlikely to be 2500Hz. Assuming the third text line is the time stamp(in seconds) that gives an arc period of .0095 sec or 105Hz. I was expecting 120Hz so that may not be right either. Art Looking at the poster, vurtrunner, shows details such as a .de domain so German IIRC. The arc period of 105Hz should make more sense with a mains frequency of 50Hz in Europe. |
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