The trolley kicks into gear and follows you as you move out of the neutral zone and into the active zone. To use the follow feature, simply walk down the fairway with the handset in your back pocket or clipped to your belt behind you. “Once you’re inside the neutral zone, the trolley knows to not do anything,” says Stewart. But if the handset is inside one yard from the trolley, it’s now in what’s called the neutral zone. That zone looks for the handset and reacts to make the trolley move. The larger one on the outside is called the reactive zone. The electromagnetic field actually has two zones. As you walk away from it, it’s going to react.” All the trolley wants to do is get that handset one yard in front of the trolley and in the middle. “The trolley can work out where the handset is, how far away it is and how fast it’s moving. “The coils in the handset and the ones in the wheels form a triangle,” says Stewart. The trolley’s electronics calculate where the handset is within the egg-shaped magnetic field. The handset has similar but smaller coils. We didn’t want it to look like a science project. “But by that point, we were already down the road with making our electric trolley look like something different. “We said, ‘You know what? Nobody is going to buy this,’” says Stewart. Eventually, the oversized bag was abandoned. They started working on motors, electronic systems and overall stability. As a result, our golf bags had to get bigger, to the point where they wouldn’t fit into a typical European car.”īy that point, the Stewarts had also looked at developing a powered base for their oversized bag.
#Golf buddy driver#
“This was around the time clubheads were getting bigger and driver shafts were getting longer. He eventually joined them in making homemade prototypes. Mark Stewart was 19 at the time and, as a budding engineer, he’d eavesdrop whenever his engineer dad and granddad would discuss their ideas. The heads would be in these little cones and the whole thing was enclosed.” “The clubs were arranged in a little carousel system. “He didn’t understand why we put our clubs in a bag upside down so he designed a bag where the clubs would be head down,” he says.
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