Steve serves as Senior Editor of Machine Design. He has 23 years of service and has a B.S. Biomedical Engineering from Steve was a Flight officer in the U.S. Navy. He is currently responsible for areas such as aerospace and medical.
As a follow-up to our recent image gallery, here are four more aircraft that have flown longer than most others. It could be because aircraft designers in the past tended to overdesign and use generous safety margins.
When building circuit boards and electronics, fastening and connecting hardware is often selected more because it's handy than because it's the best choice. Here's a look at some hardware and tips for getting the most out of them.
If engineers choose the wrong rivets or install them improperly, the advantages of low-cost and rapid assembly go right out the window. Factors that influence rivet performance include shank length and diameter, location and hole, and workpiece preparation.
Lead screws from igus, Providence, R.I., use high-performance self-lubricating plastic material nuts, eliminating the need for lubrication and making the motion-control devices suitable for clean rooms and other hygienic environments.