Left Foot Accelerators
If you need to drive without the use of your right leg, then one option is to use a left foot accelerator. This functions in a similar manner to an ordinary right foot accelerator pedal, but it is installed on the left side of the brake pedal.
Most modern cars have accelerator pedals that do not use a direct mechanical linkage to the throttle, but instead provide an electronic signal that is routed to the engine management system. This makes the installation much easier than in the case of a mechanical accelerator, and the adaptation can often be achieved at a lower cost.
The left foot accelerator adaptation uses hinged pedals that are installed on both sides of the brake pedal and are connected to each other with a mechanical linkage. Using this linkage, it is arranged so that when the required pedal (left or right) is selected by pulling it down into position, the other one flips back out of position. Using this arrangement it is ensured that both pedals are never available simultaneously and this is considered an essential requisite for safe driving.
Learning how to use a left hand accelerator can be a challenge, especially for people who previously have been used to using their left foot to control a brake and a clutch. It is difficult to un-train the left leg from behaving as it used to when driving an un-adapted car. It should be noted that in these circumstances a hand controlled accelerator might be a better option.
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