Among the many, many big-ticket items under consideration by the United States military, one of the single most important is finding a replacement for the venerable Humvee. The iconic off-roader was designed to fight the Soviet Union and has struggled on today's IED-littered battlefields. That's where the Joint Light Tactical Vehicle program comes into play.
The Experimental Aircraft Association began sixty years ago as a flying club. "Because the planes we flew were modified or built from scratch, they were required to display an 'expirimental' placard where it could be seen on the door or cockpit," explains founder Paul Poberezny on the association's website. From that small group of individuals, the EAA has now grown to over 175,000 members and 1,000 branches internationally.
Once upon a time ice cream was delivered in trucks to happy buyers. Then the people drove to the ice cream shop with curbside service. But back in those wonder years, the dream was that one day we'd zip over to the soda fountain in flying cars.
Oshkosh is using motors with die-cast copper rotors in its ProPulse series hybrid drive system, which is used in the Army's heavy cargo-hauling HEMTT (Heavy Expandable Mobility Technical Truck). Motors using this technology cost less to manufacture, last longer, operate more efficiently, and save weight compared to alternatives used in defence systems as they're between five to ten percent lighter and three to seven percent smaller. The rotors were developed by the Copper Development Association