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Aviation History
1964
1964 - 0341.PDF
214 FLIGHT International, 6 February The Scheutzow Model 8 helicopter, seen ociow auring flight tests, incorporates a simple cockpit layout (right), and can be hangared in an A-frame structure which can be built for less than $100 TWO NEW ROTORCRAFT SCHEUTZOW MODEL B Now undergoing flight testing in the USA is the Scheutzow Model B two-seat helicopter, fitted with a patented "Flexhub" rotor which incorporates a new suspension system of rubber-mounted rotor blades. The rubber bushings are "off the shelf" and readily available in both car and aircraft industries, and cost is further reduced by the elimination of precision ball and roller bearings. Powered by the 85 h.p. Con- tinental engine, the prototype Model B has been under development for approximately two years. Designer of the machine is Mr Webb Scheutzow, formerly with Douglas, Lockheed, Kellet, Hiller and General Motors, who formed his own company, Scheutzow Helicopter Corp in Berea, Ohio. Vibration, hovering and control tests have been successfully completed, and a low vibration level and good handling character- istics are reported by Mr Scheutzow. The type-certificated version of the machine will be powered by an engine of 125-150 h.p., and will be capable of carrying a 5001b payload over a range of 200 miles at 85 m.p.h. The proposed price for the certificated machine, fitted with an enclosed cockpit, is $ 9,000 to $10,000. Main dimensions and other data include: main rotor diameter, 23ft; tip speed, 610ft/sec; rotor r.p.m., 510; disc area, 415sq ft; tail rotor diameter, 3.16ft; tip speed, 58Oft/sec; rotor r.p.m., 3,500: fuselage length, 18.5ft; height, 7ft; skid track, 6ft; empty weight, 7361b; gross weight, 1,2001b; fuel capacity, 15gal; endurance, 2.5hr: maximum speed (design); 85 m.p.h. MAX HOLSTE MH-500 PHENIX 4 Powered by a 250 h.p. Lycoming O-540-A,the Phenix 4 autogiro has been designed by Max Holste Aviation as an all-metal, four/five-seat general- purpose machine, with a price comparable to that of a fixed-wing aircraft, and about one-quarter or one-fifth of that of a helicopter, having the same capacity. Possible use$ envisaged by the company include transport of passengers and freight, agricultural and ambulance work, prospecting, and military reconnaissance. A new Max-Holste system of mechanical drive to the rotor (for take- off) is incorporated, and a cruising speed of 200km/hr (124 m.p.h.) at 1,000m (3,280ft) and 1,200kg (2,6451b) is quoted. Other data include: rotor diameter, 37ft 5in; disc area, 1,098 sq ft; length, 19ft llin; height, 9ft lOin; equipped weight, 1,6101b; maximum weight, 2,7551b. Calculated performance (at 1,200kg): sea-level maximum speed, 152 m.p.h.; cruising speed at 1,000m, 124 m.p.h.; minimum speed, 22 m.p.h.; sea-level rate of climb, 16.4ft/sec; service ceiling, 13,800ft; vertical descent speed, 14.7ft/sec; duration 3hr 30min. General-arrangement drawings of the Max Holste MH-500 Phenix 4 autogiro
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