I actually think *few* of the B&M inverts have these gates. In fact, the only invert that sticks out in my mind as having the gates is Raptor. I think someone *told* me they are on the Dragons @ IOA as well. But I really dont remember them on the B:TRs I've ridden (GAm, GAdv, StL) or Great Bear (I didnt sit in the front on Alpie so who knows).
Both the B:TR's I have ridden, as well as Raptor, have the gates.
SFGRAMBoy, the gates block the open part of the front of the station, where the train exits to climb the lift hill. As the floor drops down, the gate swings 90 degrees down and forward, so you pass over it. On the floorless rides, the gate splits in the middle and swings open as the floor slides away.
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yeah, really if u fell out of montu you'd get eaten for supper! ----------------- "you give me the most gorgeous sleep that i've ever had and when it's really bad i guess it's not that bad" Underneath it all- no doubt
Alpengeist doesn't have the gate, if the gate is what I think of when gate has been described. The floor drops off and it's straight up the lift, the stations pretty flat there. But if Raptor's got one, I think I noticed it first on Batman @SFoG(?).
Although not exactly a crash, Mantis at CP had a rollback during cycling during the early Spring. Winds were very strong and train never made the 1st hill. It took a crane to remove the train car by car. I know for a fact that Raptor has a gate. It was to keep guests (and us ride ops) safe from a fall out of the station. It was also a wonderful "device" we could use by standing on it to help us get a larger person in the 1st row buckled into the seat. (Back in the day we were permitted to do that btw) The gate drops down as the floor drops down. Nothing fancy, just a metal gate!
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