A lift with NO BRAKE? Hilton Park services 4 (the 'technical video')

A tiny motor for a tiny lift, does it need a brake? Also featured are animations and lots of explanations to how the controller and machinery works.
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LINKS:
PART 1 (history+explore):    • M6 Hilton Park Services - ABANDONED T...  
PART 2 (explore+plant room):    • Abandoned 1980 - the HILTON PARK TOWE...  
PART 3 (old lift motor room):    • Old Otis machine - but how to get up ...  
PART 4: You're watching it!
PART 5: Direction switch examination ### COMING SOON! ###
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LINKS:
HILTON PARK LIFT MOTOR ROOM (full video):
   • Hilton Park M6 - 1966 Otis motor room  

LANCASTER TOWER MOTOR ROOM:
   • M6 Lancaster Forton - TOWER, old lift...  

PLAYLIST WITH ALL HILTON PARK AND LANCASTER VIDEOS:
(towers, lift motor rooms and towers - 8 videos!)
   • M6 Lancaster & Hilton Park - all videos  

OLD EVANS LIFT (another exceptionally edited video!!):
   • Old EVANS lift motor room (Mercury sw...  

SEE THE HILTON PARK OLD OTIS PASSENGER LIFT WORKING:
   • UNWELCOMING OTIS LIFT and why the doo...  

The MRPHILL100 channel:    / mrphill100  
M6 LANCASTER TOWER (pennine tower) EXPLORE:
   • Видео  
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FACEBOOK:
  / mrmattandmrchay-110000184094857  
Please give us a 'like', thank you! :)
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IMPORTANT NOTICE ABOUT SAFETY AND YOUTUBE:
My channel does not promote or glamourise dangerous activities like lift surfing.
Featured in THE SUN and THE MIRROR newspapers:
   • Teaching KIDS TO SURF LIFTS/ELEVATORS...   (see this KID trying to surf a lift)

VERY WORRYING...
   • Random lift adventure 13   (12 year old kids surfing lifts)
mrmattandmrchay is a RESPONSIBLE and RESPECTABLE channel.

It goes without saying that YouTube is a public platform and our channels are popular with kids, and kids are influenced by what they watch. I'd like to think these kids didn't get the idea of surfing lifts from 'my' channel.
A warning in a video DOES NOT exonerate you if harm should come to a kid that was copying something that YOU have portrayed as a fun activity.
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THE MRMATTANDMRCHAY CHANNEL, established 2008:
I'm passionate about uploading quality and interesting videos for YOU, my audience.
What is my channel about? "Old lift machinery made interesting", old air-raid sirens, prehistoric alarm equipment. If "I" don't find it interesting ...then IT DOESN'T GET UPLOADED!
I always spend a lot of time editing my videos with animations, video in-sync with music and voice overs to bring you QUALITY videos to watch.
My moto - "Quality NOT Quantity" - spending a month editing a video is not a rarity!
But without you, I'm nothing here. Thank you so much for watching.
...mrmattandmrchay is me (Matt) and my son Chay.