viking86 Posted January 30, 2010 Share Posted January 30, 2010 Since were already talking about B&M's and weird sounds.... does anyone know the reason behind the banging noise on Superman la Attracion de Acero? It can be heard in every single onride video I have seen of the ride. Link to comment Share on other sites More sharing options...
Pufferfish Posted January 30, 2010 Share Posted January 30, 2010 The sound on Medusa is definitely the anti rollbacks. As for the sound on Superman, that sounds a lot like the wheels running over the welds in the track. That's why it gets louder the faster the train is moving. If it's not the welds, then maybe one or more of the wheels are damaged and needs to be replaced, but I highly doubt that is the case. Link to comment Share on other sites More sharing options...
Loefet Posted January 30, 2010 Share Posted January 30, 2010 ^ If it were the track section joints, then shouldn't every wheel that passes over them make a sound, and not just once/section? As for the Medusa one then it's definitely the anti-roll back. Seems like the train is a bit slower than the correct speed to attain 0 g over the Zero-G roll so it causes hang time, which makes the anti-roll back devices to fall and make the sound... If that's the case, is the same sound herd on Hydras Jo-Jo roll? Link to comment Share on other sites More sharing options...
Pufferfish Posted January 30, 2010 Share Posted January 30, 2010 ^Well, we aren't hearing the entire train in the video. If it was a back seat pov and we were hearing the exact same sound, then it might very well could be something else. Seeing as this video was recorded from the front seat with the camera and the camera's mic pointed forward, most all of the sounds coming from behind the camera won't be picked up. If there is an offride video of the train going through the first drop with good audio, then maybe we could determine more from that, but as it stands, I am staying by my original thought. Link to comment Share on other sites More sharing options...
Tmcdllr Posted January 31, 2010 Share Posted January 31, 2010 It's for sure something the wheels are rolling over, you can actually count how many times it makes this noise (the same number of wheel sets) as they run over that spot. When you are on the ride you can feel the little bump going through the Zero G, for as long as it has been doing this, you would think they would do something about it. Link to comment Share on other sites More sharing options...
thrillgeek Posted January 31, 2010 Share Posted January 31, 2010 ^I also don't think it's an element of sound to attract (or scare) riders. I never said it was suppose to be designed for that purpose. I just said in my opinion from hearing what the GP have said its a cool feature. Link to comment Share on other sites More sharing options...
shepp Posted January 31, 2010 Share Posted January 31, 2010 I'm sure the coaster is still great but it has been around for about 10 years; so does anyone think it's aged well? Yep. SFDK's my home park, and I've been riding Medusa for years and years. Still (as of this past NYE) smooth and nicely powerful, a testament to B&M goodness. But then, Roar's aged pretty well, too, so maybe the park just takes care of its coasters. Link to comment Share on other sites More sharing options...
CoasterLine Posted January 31, 2010 Share Posted January 31, 2010 I have a feeling its exactly as was shown before in the diagram, but in reverse... the train slows down enough to have the rollbacks go from their "down" position, to them falling back towads the seats when the train inverts... For example... Rollbacks fall back "up" when the train inverts. Link to comment Share on other sites More sharing options...
Tmcdllr Posted January 31, 2010 Share Posted January 31, 2010 But if the rollbacks are spring loaded, then there would have to be some forces acting on them to make them retract and in the Zero G that would mean a downward force as the train goes up. If that were the case, then why doesn't this happen during any of the other 6 inversions? And Scream basically has the same Zero G yet does not do this- why would that be? And when you ride it you CAN feel a bump when it goes over that spot- so it seems track related. Link to comment Share on other sites More sharing options...
sccoasterfan Posted February 3, 2010 Share Posted February 3, 2010 At 0:37 in this video you can hear them as well. I belive its just something that happens on the rides. A little anit-rollback clanking never hurt anyone!!~Matthew It is anti rollbacks because I know almost everything there is to know about Led Zepplin aka Time Machine and heard the same noise and asked. I was told it was anti rollbacks. Link to comment Share on other sites More sharing options...
linearinduction Posted February 3, 2010 Share Posted February 3, 2010 The Sound was prominent on Diamondback when I rode it in June on the First, Second, and Third Drops. - Sid Link to comment Share on other sites More sharing options...
FeelTheFORCE Posted February 3, 2010 Share Posted February 3, 2010 Yeah, it happens on Nitro also. Link to comment Share on other sites More sharing options...
Skycoastin Steve Posted February 3, 2010 Share Posted February 3, 2010 You guys are making this WAY more complicated that it is. It's the anti-rollback dogs clacking up and down. Watch the Raw POV of basically any of the B&M hypers, they all make the same noise. There's no danger in it, nothing wrong with the ride because of it, and nothing to worry about. Yeesh. Link to comment Share on other sites More sharing options...
angryemobeaver Posted February 4, 2010 Share Posted February 4, 2010 Diamondback made that noise almost all season. In July-August it got new wheels supposedly, and it had an extreme B&M Roar that could be heard from the parking lot. Than in September the roar just went away and went back to the normal clicking noise. I thought maybe it was either it's wheels or the track (once a train gos over it) is cracking against each other? Link to comment Share on other sites More sharing options...
atem122 Posted February 4, 2010 Author Share Posted February 4, 2010 ^I believe nylon wheels have a louder resonance on coasters than polyurethane. They probably just switched to nylon for that amount of time. Link to comment Share on other sites More sharing options...
Tmcdllr Posted February 4, 2010 Share Posted February 4, 2010 It must just be coincidence you feel a bump in the Zero G exactly where the noise happens. Link to comment Share on other sites More sharing options...
Montupoopc Posted February 4, 2010 Share Posted February 4, 2010 For what it's worth, I've been on a handful of B&M coasters, and I haven't noticed that sound on any of them. I don't even remember hearing it on the drop on Griffon. Does it always happen there? Link to comment Share on other sites More sharing options...
JuanSe_Colombia Posted February 4, 2010 Share Posted February 4, 2010 Kumba have the same sound in the cobra roll, NOT in the zero g roll. Link to comment Share on other sites More sharing options...
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