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[3] For research into the proposed layout, Dyke built models mounted on the front of his car and flew radio-controlled models to determine aerodynamic qualities. This led to Dyke's first actual aircraft, the JD-1 Delta, which first flew in July 1962. That aircraft was destroyed in June 1964 when a welding incident in the garage caused a fire.
In 1983 they designed and released the Model 1 tube bender. The Model 1 Bender became popular because it was one of the few affordable manual tube benders on the fabricating market. However, the Model 1 Bender could only bend 90 degrees. In 1988 JD Squared released the Model 2 Tube bender with 180 degree bend capability.
Data from Polskie konstrukcje lotnicze 1893-1939 General characteristics Crew: 1 Capacity: 1 / 211 kg (465 lb) Length: 5.95 m (19 ft 6 in) Wingspan: 9.7 m (31 ft 10 in) Height: 2.8 m (9 ft 2 in) Wing area: 13.5 m 2 (145 sq ft) Empty weight: 335 kg (739 lb) Gross weight: 546 kg (1,204 lb) Powerplant: 1 × Anzani 6-cylinder radial piston engine, 34 kW (45 hp) Propellers: 2-bladed fixed-pitch ...
There are several types of dies that can be used, depending on final requirements of film quality and characteristics of the polymer melt: spider, crosshead, and spiral dies. A spider die consists of an internal mandrel connected to the outer die wall by several "legs", and is a moderately complex design.
A die is a specialized machine tool used in manufacturing industries to cut and/or form material to a desired shape or profile. Stamping dies are used with a press, [1] as opposed to drawing dies (used in the manufacture of wire) and casting dies (used in molding) which are not.
Most dies are composed of silicon and used for integrated circuits. The process begins with the production of monocrystalline silicon ingots. These ingots are then sliced into disks with a diameter of up to 300 mm. [3] [4] Typical NPN transistor. Size of die is roughly 1 mm × 1 mm.
Both industrial roll-to-roll and sheet-to-sheet systems typically feature slot-dies in the range of 300 to 1000 mm in coating width, though slot-dies up to 4000 mm wide have been reported. Commercial slot-die systems are claimed to operate at speeds up to several hundred square meters per minute, [ 14 ] with roll-to-roll systems typically ...
Many of the early ultralights used a "weight shift" method of control, requiring the pilot to push a control bar to shift the center of gravity of the aircraft. The Weedhopper differed from most other ultralights of the period in that it has a control stick which moves the rudder and elevator, giving it two axis control in pitch and yaw.