eli5 why does the cars R gear sound so different to the 1st gear? you can always hear the different when a car is backing up.

Question

eli5 why does the cars R gear sound so different to the 1st gear? you can always hear the different when a car is backing up.

In: 20

Answer 1

Forward gears – angled tooth design, smoother and quieter meshing, more expensive to manufacture.

Reverse gear – straight cut, good for low speed applications, not as smooth meshing of gears which produces destinctive whine when in operation.