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Until May 2006, a small number of QH-50D DASH drones were operated by the United States Army at White Sands Missile Range, where they were used to tow targets and calibrate radars and electronic systems. [6] The Japanese Maritime Self-Defense Force (JMSDF) operated a fleet of 20 QH-50 drones, for use on its Takatsuki-class and Minegumo-class ...
These speakers introduced the concept of a small box/long excursion woofer designs for car audio. The CS-1 series was also introduced, JL Audio's first component speaker introduction. In 1993, the W6-series subwoofer drivers are introduced in 8, 10, 12 and 15-inch sizes. This product was considered unique for its dual 6-ohm voice coil system ...
The middle speaker is a real loudspeaker. The top and bottom cones are passive radiators. In the same way as a ported loudspeaker, a passive radiator system uses the sound pressure otherwise trapped in the enclosure to excite a resonance that makes it easier for the speaker system to create the deepest pitches (e.g., basslines). The passive ...
The Composite Engineering BQM-167 Skeeter is a subscale aerial target (drone) developed and manufactured by Composite Engineering Inc. (acquired by Kratos Defense & Security Solutions) and operated by the United States Air Force and certain international customer air forces (designation BQM-167i).
The Firebee's main air launch platform is the Lockheed DC-130 drone controller aircraft, which can carry four drones on underwing pylons. The Firebee is typically snatched out of the air by a recovery aircraft that sweeps up the drone's parachute, simplifying recovery and reducing damage to the target from ground impact.
The necessity for these systems was the specified requirement to be able to enter a small clearing surrounded by 50-foot (15 m) trees and to be able to quickly launch a mission. Then at the end of a mission, land in a similar clearing surrounded with 50-foot (15 m) trees and quickly relocate the system after recovery.
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He made the first Trainwreck amp in his shop in New Jersey, in late 1982/early 1983. With inspiration from Atlantic Records Caspar McCloud the amp was named 'Ginger' after Caspar's wife. [ 6 ] His first amps (later named "Liverpool 30") were based on the 4 × EL84 configuration of the Vox AC30 . [ 1 ] "