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issued a requirement for two transport aircraft types. Bartini began design work in
October 1934 on an aircraft to meet the larger 10/12 passenger specification. Initially Bartini intended the Stal-7 to use a steel tube truss airframe, with fabric covering, but problems with complexity and the
147:. The trailing edges had hydraulically operated flaps inboard and ailerons outboard. Both the wings and tail surfaces were sharply tapered and the inboard wing sections sloped sharply upwards to pass through the fuselage cabin.
154:, revealing high efficiency in speed, range and load. The Stal-7 crashed on take-off during full load testing, prompting the arrest of Bartini who was imprisoned in a
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The hydraulically retractable main undercarriage legs retracted rearwards into the engine nacelles, which were positioned at the junction of the
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flexibility of the truss structure led
Bartini to re-design the aircraft with a light-alloy monocoque structure.
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The impressive performance of the Stal-7 prompted the appointment of
Yermolaev as the head of
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https://web.archive.org/web/20070703081400/http://www.aviation.ru/Bartini/
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360 or 380 km/h (224 or 236 mph, 195 or 205 kn)
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Flight testing began in the spring of 1937 piloted by
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The Lesser Terror: Soviet State
Security, 1939-1953
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Aircraft of comparable role, configuration, and era
33:2-view silhouettes of a Bartini Stal-7 airliner.
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302:5,000 km (3,107 mi, 2,700 nmi)
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275:2 × M-103 , 641.3 kW (860 hp) each
219:Encyclopedia of Russian Aircraft 1875–1995
169:Repair of the Stal-7 was carried out under
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269:11,000 kg (24,250 lb)
257:72 m (775 sq ft)
308:10,000 m (32,800 ft)
263:4,800 kg (10,580 lb)
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364:. Greenwood. pp. 45–46.
124:designed and produced in the
120:was a twin-engined transport
535:Inverted gull-wing aircraft
196:, resulting in the DB-240 (
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360:Parrish, Michael (1996).
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397:. London, Osprey. 1995.
198:Dal'niy Bombardirovschik
224:General characteristics
212:Specifications (Stal-7)
540:1930s Soviet airliners
200:– long-range bomber),
162:led by fellow inmate
384:Gunston 1995, p. 42.
145:inverted gull wings
171:Vladimir Yermolaev
75:Roberto L. Bartini
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109:Yermolayev Yer-4
105:Yermolayev Yer-2
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43:Type of aircraft
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90:Number built
84:Spring 1937
55:Soviet Union
281:Performance
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132:Development
128:from 1934.
65:ZOK NII GVF
529:Categories
347:References
324:Boeing 247
255:Wing area:
208:aircraft.
183:Sevastopol
179:Sverdlovsk
249:Wingspan:
237:Capacity:
217:Data from
156:sharashka
71:Designer
41:Transport
454:aircraft
313:See also
160:Bolshevo
137:Aeroflot
122:aircraft
452:Bartini
243:Length:
190:OKB-240
19:Stal-7
509:VVA-14
489:Stal-8
484:Stal-7
479:Stal-6
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300:Range:
194:bomber
175:Moscow
514:14M1P
504:T-200
499:T-117
494:T-108
239:10/12
231:Crew:
206:Yer-4
202:Yer-2
38:Role
469:Be-1
464:A-57
399:ISBN
366:ISBN
204:and
116:The
474:DAR
158:in
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