(Response to earlier question)
The Kennywood Thunderbolt uses air activated skid (YAY) brakes
that work mighty fine. Even the sound of the air pressure
releasing sounds comforting.
No idea about the GE Comet brakes being computerized. I rode
the thing a zillion times and cringed every time I hit the brakes
but I never thought to check if the operator was "driving".
Also, BTW, I like the use of the term "Whaming". Or should we
spell that "Whamming"? Next time you ride, note the "Wham
Joe "Non-wham" Riznar