Boomerang suffers apparent partial derailment at Six Flags St. Louis, four injured

Posted Monday, May 9, 2016 8:30 AM | Contributed by PhantomTails

Four people received medical attention for minor injuries after a ride at Six Flags St. Louis stopped mid-point Friday. According to officials, just before 11:30 a.m., ambulances were dispatched to the park after the Boomerang stopped at a mid-point location.

Read more and see video from KMOV/St. Louis.

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Monday, May 9, 2016 8:46 AM

I saw this headline the other day and didn't even click on it because I assumed it was the typical issue of valleying in the boomerang that happens with these. I think the best part here is that it happened low to the ground and not in an inversion.

Monday, May 9, 2016 8:49 AM
CoasterFreak225's avatar

I'm really curious with what exactly happened to the train's chassis, did a part fail, shear off, etc? I believe the fourth car is the one that catches the chain on the backward spike, maybe something shook off or break during that catch?

Between 1:37-1:39

If you look closely, you can see third and fourth car actually lifted a little as it catches the chain. I remember whenever I ride on those cars, they would catch the chain so violently that I would get lifted off my seat a little.

Monday, May 9, 2016 8:57 AM

I remember as a kid riding the Boomerang at Geauga Lake knowing to avoid car # 4 because of that violent jolt on the chain.

Monday, May 9, 2016 7:09 PM

It's plausible. There are brakes between the vertical loop and the rear spike that kick on in the event that the train doesn't engage with the lift so it won't valley in the boomerang. If the brakes stopped the train there it could be indicative that something happened on the lift section. With that said, I can't think of any common operational scenarios that could result in such a catastrophic failure of the train. As a friend of mine who works in amusement park maintenance (not SF) said, "how does that happen?".

Last edited by PhantomTails, Monday, May 9, 2016 7:10 PM
Monday, May 9, 2016 8:04 PM
bjames's avatar

I assume this ride was at least partially refurbished after the move. This is either a result of an act of God or a severe failure in proper maintenance by the techs at SFSL.

Last edited by bjames, Monday, May 9, 2016 8:04 PM

"The term is 'amusement park.' An old Earth name for a place where people could go to see and do all sorts of fascinating things." -Spock, Stardate 3025

Monday, May 9, 2016 11:55 PM
LostKause's avatar

Maybe all parks everywhere should remove their Boomerangs so that this never happens again. ;)

Tuesday, May 10, 2016 1:05 AM
Tommytheduck's avatar

LostKause said:

Maybe all parks everywhere should remove their Vekomas so that this never happens again. ;)


Wednesday, May 11, 2016 2:52 PM
LostKause's avatar

Except for the roller skaters. They tend to make me giggle.

Thursday, May 12, 2016 9:06 AM

Sfne had theirs closed all last weekend but lake compounce ran theirs over the weekend after they inspected the ride friday night. I doubt it was anything maintenance did because Pete Carmichael knows how to run a park as he was the park director for sfne for years.

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