Quote:
Originally Posted by Silverback51
Okay, you are approaching being borderline paranoid, or possibly jerking my chain. Not sure which.
Springs work fine. They have for over 70 years that I'm aware of, so don't worry about. In my 43 years of driving (I'm 59 now) I only had one instance where the throttle hung open. In that case it was a 66 Chevelle with an L88 in it. The motor mount broke and the engine torque twisted the motor enough that it stuck. During that time, I have had a lot of performance vehicles and only one issue.
And like I said, 99% of the "Throttle Stuck" stories are because the driver phucked up.
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and neither am I approaching paranoia, I am taking your hypothesis that the spring could have failed and held the throttle open and making an observation of that application and asking, what I consider is a very reasonable question, was there a better method that would not result in a failure brought about by stress and a hydraulic piston came to mind actuated electronically by the pressure of the accelerator. As you should know springs are subject to lateral stresses and fatigue, that in time can cause failure whereas a hydraulic set up would eliminate that. You see John, you are not the only engineer reading these threads and not to put a fine point on it I have been in the machine business for over fifty years where I have seen the transition from spring applications to controlled hydraulics to support a design feature. Maybe this concept is beyond the scope of the generally accepted automotive sciences, or is not economically feasible for mass production, but if my life could be in jeapardy based on the failure rate of a spring then I would want to consider another option, that's all and thus I threw out the question since maybe someone has done this already? However, that said, maybe this is not the right place to discuss design parameters, so lets move on. Cheers, tin-man