Mechanical Advantage

[ksurfer2]

Block and tackles make it easy to move heavy loads through mechanical advantage. This can also be applied in reverse. Could there be an advantage gained by rigging a 1:2 ratio throttle cable? Normally, when a gas pedal is moved 1" it moves the throttle linkage 1". With a simple doubler rigged to the gas pedal, moving the pedal 1" would now move the throttle linkage 2". Is there advantage to be gained by opening the throttle twice as fast (or moving the gas pedal half as far to achieve full throttle)? This wouldn't really be practical for any street driving, but on the track where you are at idle, or full throttle (for the most part), it seems as there could be advantage gained.

These are the thoughts that pollute my mind when I am bored at work!

 

[gkent]

I think if you look at pedal mechanism you'll see that it is already rigged that way.

 

[Fran Blacker]

Block and tackles make it easy to move heavy loads through mechanical advantage. This can also be applied in reverse. Could there be an advantage gained by rigging a 1:2 ratio throttle cable? Normally, when a gas pedal is moved 1" it moves the throttle linkage 1". With a simple doubler rigged to the gas pedal, moving the pedal 1" would now move the throttle linkage 2". Is there advantage to be gained by opening the throttle twice as fast (or moving the gas pedal half as far to achieve full throttle)? This wouldn't really be practical for any street driving, but on the track where you are at idle, or full throttle (for the most part), it seems as there could be advantage gained.

These are the thoughts that pollute my mind when I am bored at work!

Idle minds are the devil's work shop.

 

[beanhead]

Modify your carburetor linkage to be 1:1 instead of progressive. I think everyone should try it at least once. After it's re-calibrated for the change you might even decide to keep it that way..

 

[padam]

I remember thinking way back that Nascar linkage was just the opposite, which would make the gas pedal capable of more precise adjustment.
Not sure if it's true or just something I thought up from looking at them.

 

[Photon440]

Block and tackles make it easy to move heavy loads through mechanical advantage. This can also be applied in reverse. Could there be an advantage gained by rigging a 1:2 ratio throttle cable? Normally, when a gas pedal is moved 1" it moves the throttle linkage 1". With a simple doubler rigged to the gas pedal, moving the pedal 1" would now move the throttle linkage 2". Is there advantage to be gained by opening the throttle twice as fast (or moving the gas pedal half as far to achieve full throttle)? This wouldn't really be practical for any street driving, but on the track where you are at idle, or full throttle (for the most part), it seems as there could be advantage gained.

These are the thoughts that pollute my mind when I am bored at work!

I don't think you would end up opening the throttle twice as fast. No matter what the linkage ratio, if you stab the gas to the floor, the throttle is now open; depending on how fast your foot is, likely in less than 1/4 of a second. Your idea won't make the carb open faster, but it will make it open just as fast with less pedal movement needed. Not without expense as more leg pressure will be needed to perform the action.

It isn't a mod that I would want.