Stick Welding Tips, Certification tests, machines, projects
ryanjames170
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Rupes wrote:Channel sponsor. Nice

Well done to him to get them on board.

Its a $1200 inverter stick welder, yes tig too but lift tig and most of those little welders can get set up that way. A long way off the usual stuff he has on there.

I think he just needs to bump up the research/info bit on his videos and it would go a long way. Like why is it so expensive? VRD? target market i.e. mining, plant equipment maintenance on site etc.
i would say going off the specs.. its got top of the line stuff inside.. also i think the company is one of the top of the line ones in Europe..
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Although Lanse didn't explain it as such, to me the amazing part of the demo was that the welder was still functioning properly given the inevitable voltage drop in 250' of cable between the generator and the welder. That speaks very well of the tolerance of the unit for operating on low voltage.
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ldbtx wrote:Although Lanse didn't explain it as such, to me the amazing part of the demo was that the welder was still functioning properly given the inevitable voltage drop in 250' of cable between the generator and the welder. That speaks very well of the tolerance of the unit for operating on low voltage.
Exactly. He kinda inferred it by his amazement of how it was still welding at 120A over such a long extension. I wouldn't doubt if the unit was seeing 100V or so.
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PeteM
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Here's a voltage drop calculator. I used [120v., single phase AC @ 60hz].,[ 6awg., @ 77F, pvc conduit, single set of conductors, @ 150 ft.] with a load of 30 amps. The result was .4% voltage drop, which equals 119.52 volts to the machine.

http://www.nooutage.com/vdrop.htm
PeteM
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On the other hand,

using [ DC at 20v.] [4/0 awg. @ 77degrees, pvc conduit, single set of conductors, @150 ft.] [load= 120 amps]

gives 9.2% drop or 18.16 volts.
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Those numbers are mathematically correct, but how do they apply to the scenario depicted in the video?
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PeteM
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Because the drop on ac voltage is negligible.

The machine could be next to his truck, plugged into a wall or 150 feet away. With AC circuitry, it makes almost no difference.

Hence my comment that it is a good demonstration of extension chords.
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PeteM wrote:Because the drop on ac voltage is negligible.

The machine could be next to his truck, plugged into a wall or 150 feet away. With AC circuitry, it makes almost no difference.

Hence my comment that it is a good demonstration of extension chords.
Not quite. He was not using 6 gauge AC extension cords. I would bet that most were 14 or 12 gauge. It's only as good as the weakest link. Also, he was at, what, 200+ ft away? I'm telling you, ~100V. :) Try the same calculation with 12awg wires, 250 ft, and see what you get. AC is great, but it is in no way shape or form insusceptible to voltage loss over long lengths. If it was insusceptible, AC voltage drop calculators wouldn't exist. ;)
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PeteM
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Ah, ya got me. :lol:

Either you control it, or you don't. If you under-size the leads to begin with then that is applied handicap, not an inherent one.
Still great for welders all the way around though. No longer needing to run a bunch of lead from the truck to the work is a big advantage, and cost savings if they haven't already done so.
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I want one, but I also want the new one coming from HTP. And my Esab 161 is all that l really "need". How many machines is "too many"?
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sedanman wrote:I want one, but I also want the new one coming from HTP. And my Esab 161 is all that l really "need". How many machines is "too many"?
Would be awesome if you had all 3!
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I'm good with that, just need to convince the wife, lol.
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Oscar for president, lol.
ryanjames170
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I read threw the tech specs and

the welder on 120V is only running 28A when at its 120A output current at 24.8V and that adds up about right with its quoted efficiency of 89% at 120A also i can handle voltage from 96 to 138V

basically its huge tolerance for voltage and its very high efficiency is why it can weld 120A output on 150 feet of cord on 120V AC

what i would like to see him to is hook it upto the shop wall circut and try this out.. as IIRC the welder generator he has the ability to pump out 88A on 120V so basically it would matter not how far he got away from that generator as long as he could keep the at machine voltage above 96V AC.. I dont think he was thinking of this fact at all when he shot the video or he knew it.. and why he did not run it off the shop wall circuit to this i am unsure.

what i do know is i currently run a freeken AHP160ST off 84 feet of 12 gauge line from a 25A breaker hard wired in mind you but its hard wired in the house garage.. and i can pull 120A off that AHP in short bursts and 105A continues.. and i think if i had 30A breaker i was wired into i think i would be able to getting to 120A would not be a issue for longer duration's.

some food for thoughts..

basically it comes down to this.. the newer inverter machines can do things most welders think impossible due to how the transformer machines perform.. i mean kevin Caron stated this a few years ago about a wire feed welder and how much more effciant the new welder he had recently gotten was vs one that was like 20-30 years old was... and its benefits were to the cost of running his shop.

what i see for mobile welding is fuel savings A good made 6000 watt genny is going to eat way less fuel then a 225A welder generator based on transformer tech espcaily one that can support 11Kw i mean just simple idot math will tell you it needs to have a engine nearly twice as big and evan idling along all day will eat nearly 2x the fuel also upkeep should be less on a smaller generator as well.
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sedanman wrote:I want one, but I also want the new one coming from HTP. And my Esab 161 is all that l really "need". How many machines is "too many"?
It's kinda like one's gun collection, I think. If you know how many you have...you don't have enough.
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ldbtx wrote:
sedanman wrote:I want one, but I also want the new one coming from HTP. And my Esab 161 is all that l really "need". How many machines is "too many"?
It's kinda like one's gun collection, I think. If you know how many you have...you don't have enough.
Meh, I don't do guns. I do speaker sound systems.

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I'm far too ashamed of showing the other shelf of hoarded Cerwin Vega Strokers, so I'll just how my amplifier collection:
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10.8 kW RMS of power.
:mrgreen:
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Oscar wrote: Meh, I don't do guns. I do speaker sound systems.
10.8 kW RMS of power.
:mrgreen:

Holy.Crap. :shock:

Now that is the makings of one hell of an audio system! :twisted:

...and I thought my old Carver silver seven T's were ballsy.
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sedanman wrote:I want one, but I also want the new one coming from HTP. And my Esab 161 is all that l really "need". How many machines is "too many"?
There is no established upper limit that I know of :D :D :D
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Oscar wrote:
ldbtx wrote:
sedanman wrote:I want one, but I also want the new one coming from HTP. And my Esab 161 is all that l really "need". How many machines is "too many"?
It's kinda like one's gun collection, I think. If you know how many you have...you don't have enough.
Meh, I don't do guns. I do speaker sound systems.
Nice rack! :D Looks like a 234s down there under the EQs. I like dbx gear a lot. Had several pieces when I was running a sound business years ago. Sold the gear and then discovered that I'm not satisfied with consumer stuff for home stereo anymore. Guess I'll have to buy some more pro gear if I want to enjoy the music completely once again.

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ldbtx wrote:
Oscar wrote:
ldbtx wrote:It's kinda like one's gun collection, I think. If you know how many you have...you don't have enough.
Meh, I don't do guns. I do speaker sound systems.
Nice rack! :D Looks like a 234s down there under the EQs. I like dbx gear a lot. Had several pieces when I was running a sound business years ago. Sold the gear and then discovered that I'm not satisfied with consumer stuff for home stereo anymore. Guess I'll have to buy some more pro gear if I want to enjoy the music completely once again.

Larry
Yes sir, dual 31-band eq and 3/4-way crossover. I might end up getting the driverack 6+ to control time-alignment once I build the massive folded horns for the bass bins, so I might end up ditching the analog stuff but who knows. Also not pictured is a Behringer Ultragain MIC2200 Vaccum Tube pre-amp (doesn't fit in my rack case) :)

Sorry for the thread hi-jack.
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With the bass kicked in, and the Vegas are pumpin'


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