That noise Acro makes...

Thursday, January 30, 2003 4:26 PM
Does anybody else think that noise that Acrophobia makes when it hits the brakes is awesome? I was just watching Extreme Rides 2002 and I watched the segment a couple of times. Do the other gyro drops make this cool noise? (Yes, I know that this is stupid)

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CBuzzer since September 2001 with a few bumps along the way. :)

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Thursday, January 30, 2003 5:10 PM
Yeah all Intamin Giant Drops make that noise. It is the magnetic brakes doing their job.

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Mike
Favorite Wood: Viper at SFGAM,Shivering Timbers
Favorite Steel: Magnum and Raging Bull

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Thursday, January 30, 2003 5:13 PM
Magnets don't make noises? You are just hearing the wind gust changing speeds. Since that is all noise is, moving air.

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Chris Tyson
Photographer
www.pkiunlimited.com

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Thursday, January 30, 2003 5:26 PM
I love that sound, especially the looks on the faces of riders when your hear that. I also love the gush of air that accompanies that noise.

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Acrophobia-"So who up there is scared(everybody screams)? I want everyone who is scared to hold their hands out..."DROP

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Thursday, January 30, 2003 5:41 PM
Extreme Rides 2002 had Acrophobia on it? I don't recall.

BeastFreak, it's not the wind making that noise. You only hear the noise when it hits the magnets coming down. They all make that noise.

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Thursday, January 30, 2003 5:43 PM
BeastFreak said:
Magnets don't make noises? You are just hearing the wind gust changing speeds. Since that is all noise is, moving air.

If that was true, then you would hear a very similar sound as soon as the ride drops. I could be wrong here, but the kind of "zzzzmmmmmmmm" sound is made from the reaction of the magnets and the fins. The Intamin coasters have the same sound.

Anyone know for sure?

-Sean

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Thursday, January 30, 2003 5:47 PM
All I know is that S:RoS is silent when it stops. Correct me if I'm wrong but looking at it from the show, it looked like the fins actually made contact with the "calipers." Maybe that's what causes the noise?

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CBuzzer since September 2001 with a few bumps along the way. :)

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Thursday, January 30, 2003 5:47 PM
I believe you're right Sean F. However, the "zzzzmmmmm" sound is much louder on the Giant/Gyro-Drops.
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Thursday, January 30, 2003 5:50 PM
Well thats what I thought it was. It could also be that the forces between the magnetic fins and the car are so strong that they want to repel but can't move so they are vibrating and thus causing noise. It could be many things, I'm not a sound expert so don't take my word.

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Chris Tyson
Photographer
www.pkiunlimited.com

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Thursday, January 30, 2003 6:22 PM
The noise (although I'm not sure what causes it) is in fact due to the brakes. And it is hella cool. Although it doesn't beat the sound of trains going through the Mindbender loops.

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Is that a Q-bot in your pocket or are you just happy to see me?

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Thursday, January 30, 2003 9:49 PM
The sound is the magnets. I'm guessing it is something to do with the generation of electricity etc. The sound is the same as that an electric motor makes.

Giant Drop at Dreamworld's sound is amazing. You can hear it from ages away.
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So what if the best coaster in Australia is a second hand Arrow?

-www.totalthrills.com-
Australia's Premier Source for Thrills!

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Friday, January 31, 2003 1:19 AM
MovieWorld Germany's Wild Bunch makes a similar sound. You can get really close to the boarding-area, and I was almost thrown of my feet by the huge gust of wind that hit me when the gondola hits the brakes. That wind-gust makes the sound seem even better.. amazing technical-theming!

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Dutch Coastin' :: European coasters, thrills and theming!

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Friday, January 31, 2003 4:03 AM
Magnets don't make noise? Have you ever been standing in line for Millennium Force when the trains hit the brakes? It's so loud you can't even hear the person standing next to you talk.
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Friday, January 31, 2003 5:38 AM
Every magnetically braked coaster or drop I've been on makes a similar sound when the brakes are engaged. Almost a "huwoooooom" sound and the blast of air is awesome.

I also wonder if, on Acrophobia, its related to the yelps and screams of pain from male riders who were a little "mispositioned" when they hit the brakes.

George

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Friday, January 31, 2003 5:53 AM
I don't know about Acrophobia, but on the Wild Bunch, the most damage is sustained while being pulled not, not when being braked. No, I don't know this from experience.. :)

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Dutch Coastin' :: European coasters, thrills and theming!

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Friday, January 31, 2003 12:31 PM
I always thought it was the sound of the wheels decelerating....

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Jus' gimme de light!

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Friday, January 31, 2003 12:42 PM

Antuan said:
I always thought it was the sound of the wheels decelerating....

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Jus' gimme de light!

Despite what some may think, the Intamin drop towers don't have wheels on the carriges.

I remember when SFAW used to claim Dungeon Drop as a coaster. During a picnic at an enthusiasts event, someone asked one of the marketing folks why they claim Dungeon Drop as a coaster conidering it doesn't use wheels.

The answer... (if I remember correctly)

"Since when does a roller coaster have to have wheels?"

-Sean (101 drops in 3.5 hours) F.


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Friday, January 31, 2003 1:19 PM
Sean,

Acro does have wheels on the carriage! Two types: the tires that drive the rotation of the ring, and the second type actually keeps the carriage in a straight line as it tavels up and down. They are underneath the ring and clamp on two sides of a track running the vertical length of the tower.

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Is that a Q-bot in your pocket or are you just happy to see me?

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