Swadian Hardcore
Engineer
That whistling was probably due to the long opening along the bottom with the bar type. The long opening just makes it easier to open in the case of an emergency. Do you really think a red handle a foot above your head with a sticker besides it is better than a bar right by your armrest with intructions etched onto it?It appears that the Setra S 407 has the type with the red handle on one side of the window, midway up.
I've seen both that type and the type that is a bar that swings up from the bottom of the window.
Sorry to correct you John but I think that Van Hool has also (at some point) used the bar type as well. I will say that the bar type seems to be more prone to tampering (I've sat on a bus where the window "whistled" because the emergency latch wasn't fully seated.)
I really don't know if one type is necessarily better than the other and I really don't see the point of getting into a pissing match about who makes the better bus (especially in a topic involving fatalities.) Both types of emergency exit windows must have been cleared by the US regulators as being sufficient.
Bottom line... no matter which system is in use the passengers need to know how to use it.
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Also, it's impossible to ignore the escape instructions when you're sitting in the window seat on a bus with the bar. It's right there besides you, everybody who's ridden a MCI or Prevost window seat would know how to open it. You can't miss big capitial letter right by your armrest. You can much more easily miss the intructions sticker a foot above your head.
Even more, in an emergency, passengers may be too panicked to look up and reach up and read the intructions sticker. They need to know it throughout the trip and they need to instantly reach the window escape win an emergency. That cannot be done without a window bar.
I didn't even get to notice those buses, but I think you will find these interesting: https://www.flickr.com/search/?w=17759614@N04&q=Continental%20Air%20Transport.Hey, Swadian! I loved those shots of that ol' Flxiliner in the montage......
I used to ride them on the old Continental Air Transport between O'Hare and The Loop in the late '60's......