The power-steering ... hydraulic power steering, but because their pumps rob power and efficiency even when the car isn’t turning, a small percentage of cars use an electric pump and many ...
The motor from the build is an electric power steering pump from a junkyard car. This gets mounted on a one-off rear bike rack and drives the rear tire with help from some gears from a pocket bike ...
Mostly, it's down to a switch from hydraulic to electric power-assisted steering—in many cases, the electric motor is placed on the steering column, which has the side effect of filtering out ...