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One thing I forgot to try was to emergency stop it from the outside with the lift going upwards with no passengers. Would the brakes have managed to stop the lift against the full weight of the counterweight?
If the brakes get any weaker the lift could runaway. Here is a video of this happening
instagram.com/reel/CkqqnxeANqs/?igshid=MzRlODBiNWFlZA%3D%3D
you should contact the buildings service team whats going on. it could save people.
@@snargk I have emailed them, which will hopefully get through to the right person. In the past where I have told staff about lift issues, they have either not believed me or not understood me. For example I found a hydraulic lift with a leaking pump solenoid, which was constantly relevelling. When I told staff they said they were not going to do anything despite the issue was going to wear out pump.
what happen to wheelie bin is hungry? :(
Have they ever questioned why you’re doing what you’re doing when you find problems
@@benolifts
For the KONE EcoDiscs, do you know which motor can carry 1275KG?
Fully intelligent emergency stopping! 🤣🤣🤣🤣
Someone would have a bad day if they thought it was a good day for Otis Trampoline Time.
OMG I actually have been on this lift (in June 2023 so this year) when I visited Newcastle, and luckily back then it seemed to be working fine
The track breaks are often also physically connected to the main cables so if all of the cables somehow broke then the track brakes would engage and lock the lift in place in the shaft.
And what is the conclusion of that?
@@MarcelHVAC
Generally they are not on all lifts but are pretty common on higher speed high rise lifts.
The track brakes are separate to the main cables
they're not. if the main cables break then both the lift and the counterweight start going down, which tightens the safety governor cable which then pulls on a mechanism on the lift, engaging the track brakes
I've come across an Otis Europa like this in an office building in Glasgow. when I safety broke it, it slowed down gently and if it was really serious, your arm or leg would be gone.
Elevator Engineer channel had a video on a similar fault. Bad brake adjustment
OTIS brakes are pretty hard to mantain overall...
Once as i was fixing frequency converter for other maintenance company i had to make some simple safety tests... 1.0m/s lift... 7 seconds of braking with empty cab- after 2nd try brakes started to smoke... Frequency converter was the smallest issue of this lift :D
Told them that this lift is not able to be in operation due to poorbrake efficiency, took money for my work and GOODBYE
3 seconds is acceptable for empty cab and up to 1.3m/s
I presume if a whole load of people got in it could drop away before.closing the doors or would the floor levelling take over and save it?
That’s me avoiding The Gate
@benolifts I would love to see what happens if you safety break it Right before the top floor and see it overshoot
So that you are trapped inside with a counterweight on the buffer?
wouldn't it just slow down normally as it's the top floor?
When it comes to an emergency stop, every second counts! Even if it takes only 2 seconds longer to stop, that doesn’t matter! Every second can be a big difference between life & death! They need to fix that ASAP!
The time it took to stop felt very long, even if only a few seconds. To it far longer to stop on E-stop than it does when arriving at a floor.
@@benolifts I can imagine! But yes, emergency stop should be instant. If it slides to a stop to level with a floor, that’s 1 thing. But emergency stop should be instant. Obviously both you & me know that very well
Question: if, due to bad luck, the lift cables break but, at the same time, also the governor cable, what would happen?
This is such a niche scenario that it may as well be considered impossible. The only way I see this happening is by some sort of external mass damage is to occur, for example a terrorist attack or an explosive device. In these scenarios the cable's breaking is the least of the worries.
In rare cases this could happen. If so, then the lift would actually fall down. Luckily that chance is so small that it is actually a question that doesn't really need to be asked.
@@jakewynn Yes, I was just thinking of these scenarios, which fortunately are rare (hopefully!).
@@dutchrailroadcrossings Yes, fortunately cases like these are rare, but thinking of terrorist attacks or explosions, the possibility exists. Thank you!
I thought without the governor cable in its loop it would lose tension, and automatically engage the rail brakes regardless as they're spring loaded.
0:25 could you possibly retrofit the lift with a bi directional governor to at least solve the issue? I'm not a lift enthusiast so i'm sorry if i'm really ignorant here
It is possible but rarely happens
Great timing Beno. About an hour ago I was reading an article about another Chinese accident that happened today. I guess it went into free fall from about the 4th floor. There's cctv footage of the people bouncing off the floor and roof of the car.
Freefall? That is impossible if the lift was empty or if it had half the capacity.
Maybe they meant freefall upwards@@TheArkamedBat
@@oli12399a Fall is to go down, so it is a freerise (idk if it even exists).
Yeah, not sure how to say it though. @@TheArkamedBat
Having been in this particular lift, I am surprised in a building like this it is left in this condition, should it need to emergency stop should a fault arise this could end nastily damaging equipment or worse injuring or killing engineers during maintenance.
Almost as creepy as the "OMEGA" lift you once showed, lol
This is why geared lifts are phased out
Yeah those lifts with weak brakes is very dodgy and even dangerous as well. How comes that it’s still being used even though it shouldn’t be in operation.
I knew there was something strange about the lifts in the gate
I go to the gate all of the time the entire concept is weird, there is 3 different lifts 2 go to all floors while one is at the back and only serves floors B1,B2,G and 1 as 2 is the cinema but the weirdest thing is the longest football table ever on floor one
I've seen a video of a lift over speeding upwards in Serbia so it is not a China exclusive thing for lifts to freefall
They obviously don't service them very often.
Did they put a car brake?
refill of brakingoil is needed ;)
Brake oil? Lifts use an electric solenoid connected to a brake
Yeah, it probably needs a new spring, or maybe the braking surface has some oil or lubricating substance on it that prevents it from working properly. Remember, when the solenoid receives power it disengages the brake, as a form of fail safe. By default, the brake's are engaged on the lift.
Seems ok when normally stopping.
@@benoliftshe is probably thinking of blinker fluid lol
@@Matty12333 This is because it will use the motor to slow down the lift and the brake is used as more of a parking brake under normal operation.
beno i think i say u was that in newcastle i broke the car park lift of safty break
Surprised those haven't failed its inspection
There is no formal TUV is the UK like there is in Germany. It all comes down to if an insurance company is willing to grant public liability insurance for the lift. Insurance companies usually check the lift once per year.
Were these at The Gate in Newcastle?
Yes
Wow that is bad! Did you report it?
I have emailed them, which will hopefully get through to the right person. In the past where I have told staff about lift issues, they have either not believed me or not understood me. For example I found a hydraulic lift with a leaking pump solenoid, which was constantly relevelling. When I told staff they said they were not going to do anything despite the issue was going to wear out pump.
Will it end up like chinise lifts, where they crash?
It will do if not fixed
hey austin this is guys
Hey guys, Austin's lift is dangerous and has weak brakes.
haven't you got anything better to do?
YEEE LL
I'd straight away call someone to get it fixed
I have emailed them
@@benolifts Okay good. Keep up the awesome videos aswell...
@@benoliftsI was about to say them same thing! That should be reported IMMEDIATELY! One time I had a situation in a Costco when it was easy to open the shaft door without a drop key & the door equipment was just replaced. I got the manager right away! Thankfully, this since has been fixed & they fixed it quickly
whoever did build it fire him
Probably brake pads dont exist at all🤣
Maybe you shouldn’t of continued to do it once you found out it has weak brakes
this is not ok, they should completely change and modernize this lift ASAP. this lift can cause multiple accidents.
They don't need to modernize it. That is what a generic engineer touting for trade would say. They just need to fix the brakes.
they needs the Chinese logic put in ASAP!
/s
@@pierreuntel1970 I hope not!
That would be completely unnecessary. Why do a whole elevator when you can just fix the brakes?
*Si Rene Sta. Cruz At Ang Bigtime Balita, Dito Lamang Sa Super Radyo D-Z-Dobol-B!*
“Cleverly designed lifts by otis” I don’t think otis is good