Surprised not to see this here yet;
https://www.youtube....h?v=Rcv5WfpMxSI
http://www.thegolden.../364141501.html
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Kicking Horse Gondola Heli Evac
Started by teachme, Jan 15 2016 05:24 PM
9 replies to this topic
#2
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Posted 15 January 2016 - 10:10 PM
So it seemed as though it was a power outage of some sort since it affected 2 lifts, the gondola and a fixed grip. Sounds like they got power back or were able to get the evac drive going on the fixed grip but were not able to get the evac drive for the gondola running? Or another issue developed of some sort? Man would that be sweet or what to be evacuated like that with a helicopter!
Ryan
#3
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Posted 16 January 2016 - 05:58 AM
I am not saying that I completely understand the logistics of rope evacuating at Kicking Horse, but why didn't patrol lower them to the ground?
Anything is possible when you don't understand what you are talking about.
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Posted 16 January 2016 - 10:07 AM
Doesn't a detachable lift require power at both ends (otherwise you can't accelerate to re-attach)? I wonder if that's what the issue was ...
The old Von-Roll 101s were somewhat notable that the re-attach was achieved by a simple gravity slide ... hold the carrier for spacing, then let it roll down a slight decline, until it's moving fast enough to grip onto the cable. Pure physics at work.
The old Von-Roll 101s were somewhat notable that the re-attach was achieved by a simple gravity slide ... hold the carrier for spacing, then let it roll down a slight decline, until it's moving fast enough to grip onto the cable. Pure physics at work.
#5
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Posted 16 January 2016 - 12:27 PM
2milehi, on 16 January 2016 - 05:58 AM, said:
I am not saying that I completely understand the logistics of rope evacuating at Kicking Horse, but why didn't patrol lower them to the ground?
I thought I saw somewhere that it was getting late and this was the only way they could get everyone off the lift before dark.
#6
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Posted 16 January 2016 - 01:56 PM
_litz, on 16 January 2016 - 10:07 AM, said:
Doesn't a detachable lift require power at both ends (otherwise you can't accelerate to re-attach)? I wonder if that's what the issue was ...
The old Von-Roll 101s were somewhat notable that the re-attach was achieved by a simple gravity slide ... hold the carrier for spacing, then let it roll down a slight decline, until it's moving fast enough to grip onto the cable. Pure physics at work.
The old Von-Roll 101s were somewhat notable that the re-attach was achieved by a simple gravity slide ... hold the carrier for spacing, then let it roll down a slight decline, until it's moving fast enough to grip onto the cable. Pure physics at work.
The power needed for a detachable isn't to accelerate, or decelerate the carriers (usually) The power needed is for the safety systems, in which case code requires battery backup. Plenty of detachables have been built where the return, has no service power, and uses alternators and/or generators to charge the batteries.
#7
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Posted 16 January 2016 - 10:54 PM
_litz, on 16 January 2016 - 10:07 AM, said:
Doesn't a detachable lift require power at both ends (otherwise you can't accelerate to re-attach)? I wonder if that's what the issue was ...
The old Von-Roll 101s were somewhat notable that the re-attach was achieved by a simple gravity slide ... hold the carrier for spacing, then let it roll down a slight decline, until it's moving fast enough to grip onto the cable. Pure physics at work.
The old Von-Roll 101s were somewhat notable that the re-attach was achieved by a simple gravity slide ... hold the carrier for spacing, then let it roll down a slight decline, until it's moving fast enough to grip onto the cable. Pure physics at work.
The acceleration and deceleration is powered by the haul rope via a series of belts that connect to a sheave within the terminal, that way no matter what's moving the rope at what speed, it's always in sync. Some lifts require power at the return station for hydraulic tensioning however most I've seen have a hand pump that can be used to pressurize the system during a power loss.
#10
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Posted 23 January 2016 - 04:34 PM
They probably removed all the equipment from the cabins when they got the lift running again and then set up times for skiers to come back and get them. I'd guess it took a few days to get it all back.
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