The Kaman K-MAX has intermeshing rotors eliminating the need for a tail rotor. These opposite-spinning rotors lend the K-MAX a natural tendency to hover, making it more stable. The K-MAX is ideal ...
Erdmenger created and patented a twin-screw compounder with intermeshing, self-wiping screws. This article discusses a variety of compounding activities, as well as process-dependent and ...