I have read a lot of comments asking how the pilot is able to keep the helicopter so still. Allow me to explain, as I am a seasoned pilot with over 30 years of experience. In situations like this, the combined weight of the lineman's and pilot's testicles helps to stabilize the aircraft.
That is the best technical explanation I have read yet .. thank your for that insight .. It seems that Periodic weighing of the testicles of both men is probably crucial in order to make any adjustments that may be needed on the Aircraft itself to fine tune the balance. ..
These pilots and linemen always amaze me. Because of these brave fellas you have power to your home. We tend to take it for granted, but there is a lot of effort into keeping the lights on.
That was one of the most informative, clearly narrated, and absolutely fantastic videos I've seen on UA-cam. I'm no electrician, but I'm guessing this product sells itself.
In another video, one of these helicopter-riding linemen says, "I've only ever been afraid of three things: electricity... heights... and women. And I'm married, too." :-) So yes, such workers have all the fears that one would expect them to have. But they learn how to over-ride those fears. "A coward dies a thousand times before his death, but the valiant taste of death but once.", to quote Shakespeare's play "Julius Caesar".
Being on a building and looking down, isn't the same as being on a helicopter looking down. The perspective to the ground is different. I noticed this when I went skydiving for the first time and you have to step out of the plane and put your foot on the wheel in preparation for the static line jump.
I do not work in this exact industry, but my job requires me to understand transmission lines and with 20 year history as a Telco lineman, this looks like a very solid product and a great solution. Well done video as well.
I’m in the process of being hired to comed as a overhead technician, I am so fuckn nervous, I know they will teach me everything but having no experience going into this field is frightening, any tips?
Yes sir I agree... I climb and assemble cell phone towers for a living... and the highest I ever been was on 1131 ft but I don't think I could do this kind of work I don't play with electricity.. I tip my hat to them.. they got nerves of Steel..
Not going to happen. There are never that many splices to begin with, and most don't fail. Only the ones that _do_ fail (develop high resistance and hence high power loss and high temperature which shows up as white on infrared cameras) are clamped. The vast bulk of each line consists of segments of thousands of feet of unbroken conductors with splices between segments.
The sad thing is... Kim Kardashian didn't make herself famous... the general public did. Somehow, we made her important. We fell for her promoters bullshit. If we ALL were more aware of what's truly real and fake... what's talent and not in this world, we would have never had heard of that bubble-ass, pretentious, no-talent bitch.
Note the helicopter is attached to the line for the duration of the operation. If anything happens to the guy installing the bypass the pilot is also doomed.
Leonard Milcin, there is no problem to just fly away anytime, also without disconnecting that...pliers. and the worker is always ready, he doesnt tangle up with anything during working, he is literally always ready to just being pulled away of everything
Wouldn't there be a voltage differential across the bad connection? Heat is being generated because of voltage drop across the bad splice. I'm guessing the voltage drop wasn't high enough to warrant any bonding before attaching the splice?
You are correct. According to Southwire's chart for that "Lapwing" ACSR cable is rated to handle 1354 amps max. Since the rest of the wire is cold on the IR camera, it is safe to assume current was much less than that. For example, lets say current was 400 amps and a guess for the heat dissipated in the bad splice was around 200 watts (it was warm, not searing hot), the voltage drop across the bad splice would have been 500 millivolts.
Once the voltage drop across a connection reaches 0.3V (yes, that is 3/10ths of one volt!) the aluminum will exceed 650°C and the splice will melt. Actually, it is unlikely to get that high (0.3V) before the connector let’s go mechanically. If you can’t handle 0.3V, probably ought be in a different profession - and that would not include auto mechanic, as you would have to wear a full set of gloves and sleeves to change a battery!
Impressive.... I know the lineman is probably safe with all the gear but still I imagine it takes some stones to do that job and amazing skill of that pilot. Nice work gentlemen!
Nope, that gear will do nothing if the helicopter drifts too close to another phase and causes a line to line fault. Talk to people that have worked with transmission repair for a decade or two and they can probably name a person who died from that either form a bad pilot or a strong gust of wind. Sure they might fall to the ground after the fault but they are dead before they hit.
What about the specific scenario of the cable parting while the lineman is clipped on, with both ends suddenly heading away and down. Assume the clip is caught on something like the splice and hangs on. Does the wire between clip and helicopter have a breakaway accessory? A sudden tug would be notagoodthing.
ClampStars act as an electrical and mechanical shunt to prevent wire-down incidents caused by failing splices and other overhead connectors. If ClampStars are not installed and the splice or connector failed, the line would come down and possibly cause, things like; wildfires, electrocutions and other damage. Google "swingset electrocution" to see a video demonstration of a failed splice. Also checkout this video: ua-cam.com/video/u9xe273PFg0/v-deo.html
@@ClampStars I see. Can't say I've heard of a mechanical shunt before though, but hey, these are some interesting concepts you have presented. Thanks for the explanation.
I'm curious, doesn't the high voltage mess up with capacitive components in electronics? Surely is must cause some kind of problem, right? It's like 230KV ffs.
iliasasdf electricity takes a direct route too earth if possible otherwise too its destination so there little too no current in the chopper how do you think those guys can even survive
Panda is basically right, no path to ground so no current flow. There is some voltage, but thus far, tests have shown no effect even on computerized helicopters. This is a MD500D. It was type certified in 1963, the D model in 1976. It has no essential electronics. The only electronics are radios and navigation equipment. You could start it and then remove the battery, and the entire electrical system and go fly. Its been done.
I'm in Lincoln NE and a few years back the were doing high power repair. Pretty cool stuff. This is where I could get stupid, they used a five blade Hughes helicopter with tail rotor maybe a 500D ?? That pilot kept that thing pretty steady. Fun to watch. at a distance.
People commenting in another similar video said the space between the phases is more than you think, and also, the heli's rotor is kept above the height of the wires, and the work platform is underneath the heli.
The pilot is amazing. Hovering with around 190lb man on the starboard side moving around. Add in he's flying right next to power lines. Power lines, and guide wires are a helicopters pilot nightmare.
Not when you work on them all day everyday, its just normal to us. :) We're kinda like firefighters, when others run away, we run in and do what needs to be done.
Hello Bill Zang, Thanks for the question. Most utilities will conduct infrared inspections on overhead transmission lines once per year or once every other year depending on the age of the conductor. Inspection requirements vary for each utility.
Amazing vid. But there's a temperature unit mismatch in the voice commentary: the graph shows temperature values in centigrades, but the commentary says that after installing a ClampStar, the temperature fell to 27°F (-3°C) that seems unrealistically low temperature even in winter conditions.
Reposted from the video description: NOTE: At the 3:41 mark there's a mistake in the narration. He should have said 27 degrees Celsius, not Fahrenheit.
Once the voltage drop across a connection reaches 0.3V (yes, that is 3/10ths of one volt!) the aluminum will exceed 650°C and the splice will melt. Actually, it is unlikely to get that high (0.3V) before the connector let’s go mechanically. If you can’t handle 0.3V, probably ought be in a different profession - and that would not include auto mechanic, as you would have to wear a full set of gloves and sleeves to change a battery!
Why rely on the lineman having to individually tighten then shear each bolt. Why not build a detachable tool that will tighten them all then shear them in one go?
Why reinvent the wheel? This looks like it was made to work from an economic standpoint with existing off-the-store-shelf tools - otherwise, you'd be looking at some serious bank for very limited production tooling (economy of scale kicks in here).
jagara1 hey man, maybe you could make one. Then patent it, then sell it to these guys. How many torque bolts per connection? Looks like about 10. 10 drill heads running at once, properly spaced, maybe with a guide that snaps into place. Pretty good idea, would shave off a lot of time for this job. DeWalt & Ryobi make flexible bit extensions. What if 10 drills were mounted on the platform, each connected in series and operated with a single switch, and each had 4-6ft flexible extensions.. Neat idea.
Crossing the road it dangerous. So is going to a school in the USA. More deaths in Grade and Elementary schools than fling wing guys and girls hovering alongside HV power lines.
When overhead power lines are strung they come off reels from the factory. Depending on conductor diameter and reel size, reels contain conductor lengths from several hundred feet to a few thousand feet. Splices connect the end of 1 line to the beginning of another during the stringing process. Additionally, before ClampStar repair units were available, splices were sometimes used to repair damaged conductor.
what kind of resistance is involved it looks like at least mega-ohms. 100 deg Celsius is boiling water so 300 deg Celsius is 3 times that or 636 deg F. no wonder the lit up the flir.
They should design a socket that is longer and has an angled slot out the side of it with an annular housing around it and bag underneath so when the head breaks off it stays in the socket then the operator just pushes it on to the next one which forces the broken one out the angled slot of the socket, into the annular housing with angle floor in it and tube down to the catch bag to catch all the heads. That way he wont need to invert the power tool each time to catch the broken bolt head out of the socket and put it in the can (risking dropping it) and can just go from bolt to bolt which would speed up the job, save fuel, reduce risk time near the line and the operator can just empty the bag of break off heads into the can after the job is done on the way to fit the next one.
It can but they tend to use anti oxidation compounds on the areas that make contact. Also, they polish the aluminum before applying the shunt so that when it is tightened down it isn't a concern. Once you make a mechanical contact like that it is good to go for decades.
Once the voltage drop across a connection reaches 0.3V (yes, that is 3/10ths of one volt!) the aluminum will exceed 650°C and the splice will melt. Actually, it is unlikely to get that high (0.3V) before the connector let’s go mechanically. If you can’t handle 0.3V, probably ought be in a different profession - and that would not include auto mechanic, as you would have to wear a full set of gloves and sleeves to change a battery!
This is TOTALLY cool. If I could go back 30 years, I'd definately swap my career as a software engineer (ie computer programmer and web developer) for THIS career field, even though I probably wouldn't make as much in salary. Job satisfaction counts for something.
I can honestly say I don't know of any story of who has died as a direct result of their work as a software engineer. I've worked on utility projects for 9 months now and have heard at least 5 different stories about linemen getting killed, 4 of those were doing hot work from a helicopter. The pay is better than most low end skilled jobs but the risk is very high.
The clip is attached to the helicopter to make the helicopter's charge the same as the line so that the lineman doesn't get electrocuted by a static shock. The drill is plugged in to a power source on board the helicopter.
If you don’t have a lot of Helicopter hours and not good at hovering and want to do a job like this is all about training and going out and practice everyday
Never realized normal operating temperature of splices was hot enough to boil water on contact. I really take electricity for granted, especially when it is restored quickly after an outage.
The hot spots are created as a result of high resistance. The high resistance can be caused by many factors such as improper installation or corrosion. Read the following article for details on the subject: classicconnectors.com/downloads/understanding_automatic_splices.pdf
I have read a lot of comments asking how the pilot is able to keep the helicopter so still. Allow me to explain, as I am a seasoned pilot with over 30 years of experience. In situations like this, the combined weight of the lineman's and pilot's testicles helps to stabilize the aircraft.
Hahahha :D
david esktorp good thing I'm not a power line worker because then I'd bring 500 pounds of testicle
That is the best technical explanation I have read yet .. thank your for that insight .. It seems that Periodic weighing of the testicles of both men is probably crucial in order to make any adjustments that may be needed on the Aircraft itself to fine tune the balance. ..
Dude you are hilarious...
Wait...so you're saying the pilot and engineer have elephantiasis of the testicles? Must've been uncomfortable. :S
WOW! A Do it yourself High Tension Line Repair video! Just what I've needed! I've been waiiting for a long time for one of these!
You're well on your way, son! :D Here's your conductive suit to go along with it. www.vidaro.com/kv-gard-flight-suit
The video just describes someones job.. It’s entertainment (for a selected group of people)
funniest thing i've seen all day
Do u guys know how much is it to rent a small helicopter for 4 hours at home depot?
GET TO THE CHOPPAAAA
These pilots and linemen always amaze me. Because of these brave fellas you have power to your home. We tend to take it for granted, but there is a lot of effort into keeping the lights on.
That was one of the most informative, clearly narrated, and absolutely fantastic videos I've seen on UA-cam. I'm no electrician, but I'm guessing this product sells itself.
NICE COMMERCIAL
ophello I bought one.
Idk how i got here but power lines and heights are two of my biggest fears, this guy is a god damn champ.
lmao this is hilarious
In another video, one of these helicopter-riding linemen says, "I've only ever been afraid of three things: electricity... heights... and women. And I'm married, too." :-) So yes, such workers have all the fears that one would expect them to have. But they learn how to over-ride those fears. "A coward dies a thousand times before his death, but the valiant taste of death but once.", to quote Shakespeare's play "Julius Caesar".
Robbie Hatley yes exactly, we have respect for the height but we learnd to life with this !👍🏻
Yeah, sitting here with my hands sweating!!
Being on a building and looking down, isn't the same as being on a helicopter looking down. The perspective to the ground is different. I noticed this when I went skydiving for the first time and you have to step out of the plane and put your foot on the wheel in preparation for the static line jump.
I do not work in this exact industry, but my job requires me to understand transmission lines and with 20 year history as a Telco lineman, this looks like a very solid product and a great solution. Well done video as well.
Just watching this video, you realize how many different things can go wrong and how fast it can happen. These guys have SKILL!!
Not only the pilot but the working guys just unbelievable skills. I hope they make a well diservd living
As a former residential pole climber, I found this most impressive.
I’m in the process of being hired to comed as a overhead technician, I am so fuckn nervous, I know they will teach me everything but having no experience going into this field is frightening, any tips?
well done gents. it's these types of guys that do jobs like this that make our way of life possible.
indeed.....God bless everyone 🙏work for make our live better
My cousin did this kind of work, I will always be in complete awe of the skills these guys have.
What an incredibly talented pilot. A pilot that can keep a helo that steady in those brisk winds is absolutely amazing.
this is not for the faint of heart and short of temper. Bravo pilot and lineman.
He has to sit outside because his balls wont fit through the helicopter door.
true dat
Seriously
Yes sir I agree... I climb and assemble cell phone towers for a living... and the highest I ever been was on 1131 ft but I don't think I could do this kind of work I don't play with electricity.. I tip my hat to them.. they got nerves of Steel..
4th video in a row ive seen a comment like this
LOL! Indeed!
The brave worker is not afraid of heights.
I get a little weazy just watching the video.
I’ve been looking for this video everywhere, thanks! I now know what to do when I find hot connectors on my overhead powerlines
How many clamps before the Powerline becomes a Clampline?
Not going to happen. There are never that many splices to begin with, and most don't fail. Only the ones that _do_ fail (develop high resistance and hence high power loss and high temperature which shows up as white on infrared cameras) are clamped. The vast bulk of each line consists of segments of thousands of feet of unbroken conductors with splices between segments.
Kim Kardashian makes 250 times the salary of both this lineman and pilot combined in one year. Just let that sink in.... Our species is doomed.
We´re fucked!
Yeah, but have you seen the size of her huge ass?
According to feminism Kim Kardashian is a victim and the guy hanging from that helicopter reparing a 400000 volt line is a privileged.
Fuck Kim K
The sad thing is... Kim Kardashian didn't make herself famous...
the general public did. Somehow, we made her important. We fell for her promoters bullshit. If we ALL were more aware of what's truly real and fake... what's talent and not in this world, we would have never had heard of that bubble-ass, pretentious, no-talent bitch.
These guys have one of the most badass jobs. I would love to do this.
3:30 That graph gives another meaning for "hot" power lines.
Do they shut down the line, while repairing, because of the temperature ?
The video show he never needs to touch the connector. The heat might be kind of nice on a cold day.
They never do outages for transmission lines unless they are fixing an outage on a transmission line.
Stopping power on transmission lines can result in literally billions of dollars in losses--they don't do that unless they have to.
No it can't.
I know of transmission lines that get opened every day. But outages are not necessary for this kind of work.
The counter weight on the other side of the chopper is to balance the weight of the BIG PAIR of the line man.
These guys deserve every penny they get. Note to electrician -- don't cheat with the pilots wife....
Raptorman0909 they are married to each other , so it can’t happen
Note the helicopter is attached to the line for the duration of the operation. If anything happens to the guy installing the bypass the pilot is also doomed.
pretty sure that connection is a tear away...too much tension and it snaps so as to not destroy the heli
Leonard Milcin, there is no problem to just fly away anytime, also without disconnecting that...pliers. and the worker is always ready, he doesnt tangle up with anything during working, he is literally always ready to just being pulled away of everything
I think its too low for this job
What could possibly go wrong here? I really hope these guys are WELL PAID for this high risk task. R-E-S-P-E-C-T
Where is the diaper storage located?
Now i know what to do next time i'm in this typical scenario. Thanks UA-cam.
Anyone who is in aviation definitely has mad respect for that pilot.
Myself included. I can’t wait to start flying
This is the source of the "wage gap" (note: wage gap doesn't exist, an EARNINGS gap exists)
Wouldn't there be a voltage differential across the bad connection? Heat is being generated because of voltage drop across the bad splice. I'm guessing the voltage drop wasn't high enough to warrant any bonding before attaching the splice?
You are correct. According to Southwire's chart for that "Lapwing" ACSR cable is rated to handle 1354 amps max. Since the rest of the wire is cold on the IR camera, it is safe to assume current was much less than that. For example, lets say current was 400 amps and a guess for the heat dissipated in the bad splice was around 200 watts (it was warm, not searing hot), the voltage drop across the bad splice would have been 500 millivolts.
Was the black discoloration on the old splice caused by months/years of heat cycling?
Once the voltage drop across a connection reaches 0.3V (yes, that is 3/10ths of one volt!) the aluminum will exceed 650°C and the splice will melt. Actually, it is unlikely to get that high (0.3V) before the connector let’s go mechanically. If you can’t handle 0.3V, probably ought be in a different profession - and that would not include auto mechanic, as you would have to wear a full set of gloves and sleeves to change a battery!
i hope that team gets paid a shitload flying a chopper like that is ungoldy hard and being that close takes balls of steel
350k a year.
How much are they, I really want one (in blue)..... Not sure what for? I don't own a pylon? Great Video...
Where was the camera ?…
Lot of trust put in the pilot !…
Great job and lot of confidence from the pilot too.
Thankfully with have skilled men like the lineman and the pilot who have the courage to take on a job like that.
Impressive.... I know the lineman is probably safe with all the gear but still I imagine it takes some stones to do that job and amazing skill of that pilot. Nice work gentlemen!
Nope, that gear will do nothing if the helicopter drifts too close to another phase and causes a line to line fault. Talk to people that have worked with transmission repair for a decade or two and they can probably name a person who died from that either form a bad pilot or a strong gust of wind. Sure they might fall to the ground after the fault but they are dead before they hit.
I’m wondering what the mechanics of the repair. Does this work by giving less resistance due to the added conductivity?
What about the specific scenario of the cable parting while the lineman is clipped on, with both ends suddenly heading away and down. Assume the clip is caught on something like the splice and hangs on. Does the wire between clip and helicopter have a breakaway accessory? A sudden tug would be notagoodthing.
So these devices just provide a low resistance alternative for the current flow?
ClampStars act as an electrical and mechanical shunt to prevent wire-down incidents caused by failing splices and other overhead connectors. If ClampStars are not installed and the splice or connector failed, the line would come down and possibly cause, things like; wildfires, electrocutions and other damage. Google "swingset electrocution" to see a video demonstration of a failed splice. Also checkout this video: ua-cam.com/video/u9xe273PFg0/v-deo.html
@@ClampStars I see. Can't say I've heard of a mechanical shunt before though, but hey, these are some interesting concepts you have presented. Thanks for the explanation.
I'm curious, doesn't the high voltage mess up with capacitive components in electronics?
Surely is must cause some kind of problem, right? It's like 230KV ffs.
iliasasdf electricity takes a direct route too earth if possible otherwise too its destination so there little too no current in the chopper how do you think those guys can even survive
Panda is basically right, no path to ground so no current flow. There is some voltage, but thus far, tests have shown no effect even on computerized helicopters. This is a MD500D. It was type certified in 1963, the D model in 1976. It has no essential electronics. The only electronics are radios and navigation equipment. You could start it and then remove the battery, and the entire electrical system and go fly. Its been done.
Well that was easy, wasn't it. My wife has been looking for a change of career direction, I think I've now found just the thing.
i hope she has big balls
Can you get an application for my ex wife?
You could NOT pay me enough to do these jobs. Thank God we have people that have nerves of steel! No pun intended.
how did he grab the wire with two hands? Would it run some of the current through his body?
What is the voltage differential between the two sides of the hot splice?
I'm in Lincoln NE and a few years back the were doing high power repair. Pretty cool stuff. This is where I could get stupid, they used a five blade Hughes helicopter with tail rotor maybe a 500D ?? That pilot kept that thing pretty steady. Fun to watch. at a distance.
I didn't see any anti-ox compound applied. Are the clamps pre-loaded? Aluminum joints have a bad habit of oxidizing and becoming resistive.
Orbiting Eyes, that’s an excellent question! All ClampStar units are pre-loaded with a proprietary antioxidant compound known as CC Squared.
Great! Now I know what to do, I am going to try this.
Great job! I wonder how they fix a high resistance problem when it is in a line in the middle of the other two.
People commenting in another similar video said the space between the phases is more than you think, and also, the heli's rotor is kept above the height of the wires, and the work platform is underneath the heli.
does the helicopter comes with the clamps?
Good to know, thanks. I have forwarded this information to the Norwegian transmission system operator, Statnett.
these are truly skilled workers !!!!
The pilot is amazing. Hovering with around 190lb man on the starboard side moving around. Add in he's flying right next to power lines. Power lines, and guide wires are a helicopters pilot nightmare.
Not when you work on them all day everyday, its just normal to us. :) We're kinda like firefighters, when others run away, we run in and do what needs to be done.
You mean port side... Port like the word Left both have 4 letters....
+God of plumbing You should stop using fancy words if you don't know their meaning. Starboard is on the right-hand side.
RIP
Can I order one from the website? I have a high voltage line next to my house and in my thermal scope it's hot, I think I can fix it myself
How often do utilities run inferred inspection on all the conductors they own? Once a year?
Hello Bill Zang, Thanks for the question. Most utilities will conduct infrared inspections on overhead transmission lines once per year or once every other year depending on the age of the conductor. Inspection requirements vary for each utility.
Unreal. Well done men. Great video.
Amazing vid. But there's a temperature unit mismatch in the voice commentary: the graph shows temperature values in centigrades, but the commentary says that after installing a ClampStar, the temperature fell to 27°F (-3°C) that seems unrealistically low temperature even in winter conditions.
Reposted from the video description: NOTE: At the 3:41 mark there's a mistake in the narration. He should have said 27 degrees Celsius, not Fahrenheit.
Very cool video!
Just wondering what they make an hour/yearly..?
You can find any DIY video nowadays on UA-cam, it is amazing.
Looks a bit heavy, I suppose that could limit potential uses, but still very cool nonetheless. That pilot and lineman were both amazing.
Is the line energized while it's being worked on?
Yes, that is the main advantage of this repair. It can be performed while the line is still live
3:41 27 degrees Fahrenheit? It looks like it's reading about 50 degrees Celsius to me!
Good catch! There's a mistake in the narration. He should have said 27 degrees Celsius, not fahrenheit.
Love the sheering screws
That is insane. Bravo
That clampstar looks like it works pretty good. Clampstar!!!!!!!!!!!!!!!!!!
This looks like a pretty fun job. Fun as in thrilling.
That guy has more guts then I have to do something like this.
How do you get that first time under your belt? And I have never seen these jobs advertised.
I wonder what the typical voltage drop is across such a hot splice?
Once the voltage drop across a connection reaches 0.3V (yes, that is 3/10ths of one volt!) the aluminum will exceed 650°C and the splice will melt. Actually, it is unlikely to get that high (0.3V) before the connector let’s go mechanically. If you can’t handle 0.3V, probably ought be in a different profession - and that would not include auto mechanic, as you would have to wear a full set of gloves and sleeves to change a battery!
Thanks. Just trying to appreciate the heating and loss factors at this scale.
Wow that's some wicked flying skills ..
0:43 Great visibility out of that helicopter. They even made the instrument panel narrow so the pilot can see downwards over his feet.
that's normal for md500
Harverfied Aviation which I seen in action at a DZ where the two MD-500 was starting to get the line journeyman to their location
Great video, and good commentary, and thankfully not overshadowed by lousy music you get on some videos. Subscribed.
Why rely on the lineman having to individually tighten then shear each bolt.
Why not build a detachable tool that will tighten them all then shear them in one go?
Why reinvent the wheel? This looks like it was made to work from an economic standpoint with existing off-the-store-shelf tools - otherwise, you'd be looking at some serious bank for very limited production tooling (economy of scale kicks in here).
jagara1 hey man, maybe you could make one. Then patent it, then sell it to these guys. How many torque bolts per connection? Looks like about 10. 10 drill heads running at once, properly spaced, maybe with a guide that snaps into place. Pretty good idea, would shave off a lot of time for this job.
DeWalt & Ryobi make flexible bit extensions. What if 10 drills were mounted on the platform, each connected in series and operated with a single switch, and each had 4-6ft flexible extensions.. Neat idea.
JosVideosHD maybe use an electric motor mounted inside the helicopter instead of a conventional drill
This looks like an incredibly dangerous line of work. Hat's off to these guys.
Crossing the road it dangerous. So is going to a school in the USA. More deaths in Grade and Elementary schools than fling wing guys and girls hovering alongside HV power lines.
whats the reason they use splices?
When overhead power lines are strung they come off reels from the factory. Depending on conductor diameter and reel size, reels contain conductor lengths from several hundred feet to a few thousand feet. Splices connect the end of 1 line to the beginning of another during the stringing process. Additionally, before ClampStar repair units were available, splices were sometimes used to repair damaged conductor.
2:59 still good amount of voltage as seen from spark to non grounded helicopter
Props to the pilot and lineman.
That has to be the most dangerous job in the world!😲 well done👍👍.
what kind of resistance is involved it looks like at least mega-ohms. 100 deg Celsius is boiling water so 300 deg Celsius is 3 times that or 636 deg F. no wonder the lit up the flir.
it bypasses the splice electrically?
I assume the ones you put on the cables are magnesium anodes?
Hello Telosfd, thanks for the question. The ClampStar shunts that are being installed on the conductor are made of aluminum.
@@ClampStars I see, thanks for answering.
They should design a socket that is longer and has an angled slot out the side of it with an annular housing around it and bag underneath so when the head breaks off it stays in the socket then the operator just pushes it on to the next one which forces the broken one out the angled slot of the socket, into the annular housing with angle floor in it and tube down to the catch bag to catch all the heads.
That way he wont need to invert the power tool each time to catch the broken bolt head out of the socket and put it in the can (risking dropping it) and can just go from bolt to bolt which would speed up the job, save fuel, reduce risk time near the line and the operator can just empty the bag of break off heads into the can after the job is done on the way to fit the next one.
woun´t the contact resistance rise over time due to corrosion? if so, how much will it rise?
It can but they tend to use anti oxidation compounds on the areas that make contact. Also, they polish the aluminum before applying the shunt so that when it is tightened down it isn't a concern. Once you make a mechanical contact like that it is good to go for decades.
Once the voltage drop across a connection reaches 0.3V (yes, that is 3/10ths of one volt!) the aluminum will exceed 650°C and the splice will melt. Actually, it is unlikely to get that high (0.3V) before the connector let’s go mechanically. If you can’t handle 0.3V, probably ought be in a different profession - and that would not include auto mechanic, as you would have to wear a full set of gloves and sleeves to change a battery!
Unreal. Real hero
perbaikan hotspot listrik tegangan tinggi dengan helikopter
This is TOTALLY cool. If I could go back 30 years, I'd definately swap my career as a software engineer (ie computer programmer and web developer) for THIS career field, even though I probably wouldn't make as much in salary. Job satisfaction counts for something.
I can honestly say I don't know of any story of who has died as a direct result of their work as a software engineer. I've worked on utility projects for 9 months now and have heard at least 5 different stories about linemen getting killed, 4 of those were doing hot work from a helicopter. The pay is better than most low end skilled jobs but the risk is very high.
We (software engineers) tend to die from strokes or heart attacks - not high voltage encounters. ;-)
Where do I sign up
Dude hooking stuff up has the biggest balls ever. I’m surprised he can do that so fast with balls that big .
I love how the dude just clips his *Plugin drill* onto the power line and just goes to town.*
The clip is attached to the helicopter to make the helicopter's charge the same as the line so that the lineman doesn't get electrocuted by a static shock. The drill is plugged in to a power source on board the helicopter.
But will it blend ?
If you don’t have a lot of Helicopter hours and not good at hovering and want to do a job like this is all about training and going out and practice everyday
Talk about trust in your pilot. Granted the pilot has to trust that the lineman isn't going to royally screw up, also.
Never realized normal operating temperature of splices was hot enough to boil water on contact. I really take electricity for granted, especially when it is restored quickly after an outage.
This Pilot is Top Notch!
REMEMBER ME, I WAS YOUR 40K subscriber
I'm gonna buy myself a clampstar clamp for Christmas
Looks like a fun job 😎
What causes those “hot spots”
The hot spots are created as a result of high resistance. The high resistance can be caused by many factors such as improper installation or corrosion. Read the following article for details on the subject: classicconnectors.com/downloads/understanding_automatic_splices.pdf
I'm going to try this at home.
Great work - on we groundlings are afraid of 110 V AC :-)
An old phrase comes to mind: You couldn't pay me enough!
ecsciguy79 Trust me, they can! Lol.
I was thinking: Oh, Hell no.
How does 250k/yr sound?
500k with OT.
formdoggie5 And worth every penny.
probably more like 1000kv/year
On a daily basis, i probably need about 99% of the time those kind of skills. 😂
But thx for sharing anyway, its really interesting :D
amazing copter skillz
and that sitting out guy gave iron balz