pitch-diameter error
51Powered hang glider — A foot launched powered hang glider (FLPHG), also called powered harness, nanolight or hangmotor, is a powered hang glider harness with a motor and propeller in pusher configuration. An ordinary hang glider is used for its wing and control frame …
52Mercury-Atlas 6 — For the Looking Glass airplane, see E 6 Mercury. Mercury Atlas 6 Mission insignia Mission statistics Mission name Mercury Atlas 6 Spacecraft name Friendship 7 …
53Gyro monorail — The gyro monorail, gyroscopic monorail, gyro stabilized monorail, or gyrocar all denote a single rail land vehicle, road or rail, which uses the gyroscopic action of a spinning wheel, which is forced to precess, to overcome the inherent inverted… …
54Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… …
55Viking rocket — The Viking rocket series of sounding rockets were designed and built by the Glenn L. Martin Company (now Lockheed Martin) under the direction of the U.S. Naval Research Laboratory (NRL). A total of twelve Viking rockets flew from 1949 to 1955 [… …
56Dark energy — Not to be confused with dark matter, dark fluid, or dark flow. Physical cosmology …
57Ship gun fire-control system — Mk 37 Director c1944 with Mk 12 (rectangular antenna) and Mk 22 orange peel Ship gun fire control systems (GFCS) enable remote and automatic targeting of guns against ships, aircraft, and shore targets, with or without the aid of radar or optical …
58Citi Field — Location 126th St. Roosevelt Ave. Flushing, New York 11368 …
59Mariner 2 — Operator NASA Major contractors Jet Propulsion Laboratory Mission type Flyby …
60Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
