Well, I gotta ask....
How do those types of 'throttle controlling devices' operate? Off a timer or a sensor?
I am really curious about about the cylinders connected to pedal assemblies that Mr Shelfo talked about. -Were you implying that they actually control the pedal in some way?
http://www.biondoracing.com/ThrottleStops.shtml
The device is made to open and close the throttle by air (C02). This device when controlled by a timer can be programmed to control the throttle all the way down the course in presice movements....far more accurate than the human foot can do.
This device coupled with electronics is what the guys use for Index racing in the drag cars. Perhaps you have been to one of those races and seen the cars leave hard off the line....then the car goes "soft"....then generally goes wide open for the finish line. Depending on the electronics involved...you can make that throttle do anything you want it to do...every time.
Personally I hate that crap but that is how it works.
For NHRA index cars it is legal. Sad to me but it is legal.
But when we read IHBA rules:
"This is from IHBA rule book, 2007, page 111-23, paragraph #4.
"Throttle: Throttle must be operated by driver's foot. No electronics,pneumatics, nor hydraulics will be allowed. A positive stop must be incorporated into the throttle pedal that will not allow throttle cable to bind or go over center and lock open. Quick action return springs mus be located on both sides of the injector hat or directly to the carburetor throttle arms. "
By stating "No electronics,pneumatics,nor hydraulics allowed" it's in violation of the rules.