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Aviation History
1954
1954 - 0677.PDF
12 March 1954 307 (Photograph, right, and drawing below it) Hitler Model 12B. (Below) Hiller Hornet. wm-:x out, the B-2 has a single main rotor and tail rotor, and, as the photograph shows, the fuselage is of notably clean design. The makers state that flight tests have proved "most satisfactory," and that they are in the process of installing dual controls and two- way radio. The makers, the Perm Elastic Company, Inc., report that all tests should be completed by August. Data are: rotor diam., 23ft; fuselage length, 17ft llin;height, 6ft lOin; fuel capacity, 16i gal; weight empty, 740 lb.; gross weight, 1,250 lb. (Below) Hoppi-Copter. the machine with rescue litters, two types of external cargo carriers, VHF multi-channel radio, or spraying, dusting or fogging equipment. Leading data are: rotor diam., 35ft l^in; overall length, 41ft 2iin; empty weight, 1,380 lb; gross weight, 2,350 lb; max. per missible speed, 90 m.p.h.; cruising speed, 77 m.p.h.; max. rate of climb at s.l., 800 ft/min; climb to 5,000ft, 8 min; ceiling, 12,500ft; service ceiling, 10,900ft; hovering ceiling in ground effect, 3,600ft; range, 215 miles; endurance, 3.8 hr. BENSEN MID-JET • Primarily intended for military use, this is a single-seat helicopter weighing only 100 lb empty, powered by two ramjet units, each weighing only 5 lb, on the tips of the rotor blades, and claimed to be capable of lifting more than four times its own weight. Construction is complete but the makers "await a Government contract for further work." Speeds of "up to 80 m.p.h." are mentioned by the makers. Rotor diameter is 15ft. BENSEN SKY SCOOTER • A projected two-seater now undergoing flight tests, this little machine is designed for two "special engines" built by the Bensen organization. BRANTLY B-2 • The prototype of this two-seater is powered by a 150 h.p. Lycoming engine but a Continental of similar output is an alternative installation. Conventional in lay-
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