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The M-105 engine was fitted in a low drag installation with a pressurised coolant system which required a radiator of only 0.17m^2 frontal area, (approx ½ that of a similar unpressurised coolant system). In the flush cockpit, the pilot sat on a hydraulically actuated seat which raised the hinged roof
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in Kiev, Bisnovat was permitted to form his own OKB with the task of designing and building a high speed research aircraft, which emerged as the SK-1. This aircraft was designed to have the smallest airframe capable of flying powered by a large V-12 engine, with the smallest wings possible for safe
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Construction of the SK-1 was of light-alloy stressed skin, with single plate web spar wings skinned with light-alloy sheet, smoothed to mirror finish accurate profiles using marquisette fabric, cork dust, open weave and adhesive as filler. Initially the wing was of NACA 23014.5 profile with slotted
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of the canopy to form a wind-shield for landing, allowing the fuselage to have a total frontal area of only 0.85 m^2. Hydraulically retractable main and tail undercarriages with fully closing doors reduced drag even further.
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Vlasov style flaps, and fabric covered ailerons. The tail-unit also had fabric covered control surfaces, and trim tabs, with all controls 100% mass balanced.
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Test flights began in
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Gunston, Bill. “The Osprey
Encyclopaedia of Russian Aircraft 1875–1995”. London, Osprey. 1995.
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104:– high speed wing), was a research aircraft designed and built in the USSR from 1938.
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Gunston, Bill. "Encyclopaedia of
Russian Aircraft 1875–1995". London:Osprey. 1995.
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Aircraft of comparable role, configuration, and era
237:1,000 km (621.37 mi, 539.96 nmi)
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231:710 km/h (421 mph, 366 kn)
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121:landings on Soviet grass airfields.
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173:8.0 m (26 ft 3 in)
301:http://www.aviation.ru/Bisnovat/
185:9.5 m (102 sq ft)
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206:2,100 kg (4,630 lb)
200:1,505 kg (3,318 lb)
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158:General characteristics
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139:Specifications (SK-1)
253:Napier-Heston Racer
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