Garage door openers move the heaviest moving object in your home, so it is surprising that the designers would omit a load bearring from the rotating object. However, it is still common to see metal on metal contact in consumer items. Ususally, the difference between professional and a consumer model from any manufacturer is the quality of the shaft bearrings.
A slew of announcements about new materials and design concepts for transportation have come out of several trade shows focusing on plastics, aircraft interiors, heavy trucks, and automotive engineering. A few more announcements have come independent of any trade shows, maybe just because it's spring.
Samsung's Galaxy line of smartphones used to fare quite well in the repairability department, but last year's flagship S5 model took a tumble, scoring a meh-inducing 5/10. Will the newly redesigned S6 lead us back into star-studded territory, or will we sink further into the depths of a repairability black hole?
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