whats up with the BKF lift?

what kind of lift is it, i cant figure out why its silent.

The anti-rollbacks disengage when the train is moving forward. It's still a traditional chain lift. Here's the motor:
http://www.coasterbuzz.com/features/sfo/gallery/img.asp?img=sfo00h044.jpg

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Jeff
Webmaster/Admin - CoasterBuzz.com

Ok, now i understand, but why dont they put this system on more coasters?

Jeff, can you please explain how the anti-rollbacks disengage. Is is the same system used on Stealth?

If I am not mistaking, all B&M'S are like this. It isn't perfectly silent, if you are on the ride you can hear it.

I don't know when B&M decided to start doing this. Raptor is deafeningly loud but Talon is silent.

If it works anything like the Intamin method, a wheel runs on some piece of track (the Supermen have a vertical fin the entire length of the lift). The wheel generates a current that apparently pulls the anti-rollbacks off of the "sawtooth" so there is no noise.

This is particularly interesting when the things do engage on a stopped train, because the train rolls back a foot or so until the rollbacks catch.

Have I ever mentioned I was on SFA's Superman when the chain broke? :)

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Jeff
Webmaster/Admin - CoasterBuzz.com

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Jeff said:
This is particularly interesting when the things do engage on a stopped train, because the train rolls back a foot or so until the rollbacks catch.
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Jeff
Webmaster/Admin - CoasterBuzz.com"

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Man, i would love to see the looks on peoples faces when that happens lol!

When I was on Roar at Marine World it stopped and rolled back about a foot. Most of the people were freaking out. It was kind of startling.

LOL