by Bill Bertelsen, GBI Test Engineer

Above: A properly engineered scootboard chassis. Even without the resources of a well-equipped test lab, Bill Bertelsen, GBI’s test engineer, was able to gather useful composites data using the equipment at hand—in this case, a spring clamp, a ruler, a digital camera, and an 8-year-old girl. ,

“Daddy, can we build a scooter from these old pieces of wood?” Continue reading →