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Old 12-10-12, 10:31 PM   #1931
Shawthing
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Default Re: INTERESTING FACT OF THE DAY

Quote:
Originally Posted by andrewsmith View Post
This
The lifts could never fall
It must be great to live in black and white world!
Youve gone through disbelief and now are in denial.
I've moved on to acceptance.

Don't you think the plane impact could have caused the lift's 'spring' mechanism to have failed?

Never say never:
There are eyewitness reports of the elevator freefall effects in the twin towers 9/11.
or this reccently:
http://www.dailymail.co.uk/news/arti...ere-party.html


We take risks in everything we do, and getting in a lift is no different!
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Old 13-10-12, 06:27 AM   #1932
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Default

Also if the cable snapped it would not feed through aforementioned speed brake, the lift would just fall.

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Old 13-10-12, 08:39 AM   #1933
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Default Re: INTERESTING FACT OF THE DAY

The Otis brakes work as a ratchet system on the walls of the shaft, also multiple cables hold an elevator each one capable of holding the elevator fully loaded.
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Old 13-10-12, 08:41 AM   #1934
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Default Re: INTERESTING FACT OF THE DAY

Quote:
Originally Posted by Shawthing View Post
It must be great to live in black and white world!
Youve gone through disbelief and now are in denial.
I've moved on to acceptance.

Don't you think the plane impact could have caused the lift's 'spring' mechanism to have failed?

Never say never:
There are eyewitness reports of the elevator freefall effects in the twin towers 9/11.
or this reccently:
http://www.dailymail.co.uk/news/arti...ere-party.html


We take risks in everything we do, and getting in a lift is no different!
So that link? Did you read it all?

A source told the paper: “The elevator went into a free-fall with the door open, and the emergency brake kicked in, stopping them between floors.'
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Old 13-10-12, 10:09 AM   #1935
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Default Re: INTERESTING FACT OF THE DAY

Quote:
Originally Posted by Thunderace View Post
The Otis brakes work as a ratchet system on the walls of the shaft, also multiple cables hold an elevator each one capable of holding the elevator fully loaded.
This

I have had the pleasure of watching rope shortening on a lift and one rope is the same dia and construction to a small crane rope
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Old 19-10-12, 02:07 PM   #1936
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Default Re: INTERESTING FACT OF THE DAY

1000 years ago there were no glaciers or ice sheets on the planet. It was too warm.

Bloody Global warming.... oh wait...

It was followed by the Little Ice Age, 400 years ago!

C

Last edited by Berlin; 19-10-12 at 02:10 PM.
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Old 19-10-12, 03:36 PM   #1937
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Default Re: INTERESTING FACT OF THE DAY

Quote:
Originally Posted by Thunderace View Post
So that link? Did you read it all?

A source told the paper: “The elevator went into a free-fall with the door open, and the emergency brake kicked in, stopping them between floors.'
To add bit more to the interesting fact!
Most modern lifts rarely use their brakes to stop, they regulate the speed via the motor and use a electric motor map (speed profile between sensors) so the motor does all the work.

The brakes are applied when the lift goes into 'standby'
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Old 19-10-12, 03:36 PM   #1938
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Default Re: INTERESTING FACT OF THE DAY

Quote:
Originally Posted by Berlin View Post
1000 years ago there were no glaciers or ice sheets on the planet. It was too warm.

Bloody Global warming.... oh wait...

It was followed by the Little Ice Age, 400 years ago!

C
Get this man a beer!
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Old 19-10-12, 10:19 PM   #1939
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Default Re: INTERESTING FACT OF THE DAY

The USA spends more per year on porn than the entire national debt for sub-Saharan Africa!

God bless 'em that's a lot of porn!
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Old 20-10-12, 08:14 PM   #1940
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Default Re: INTERESTING FACT OF THE DAY

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The USA spends more per year on porn than the entire national debt for sub-Saharan Africa!

God bless 'em that's a lot of porn!
The Charity should be called called Yank Relief!
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