| 词条 | Bellanca 28-92 | |||||||||||||||
| 释义 |
The Bellanca 28-92 Trimotor was a racing aircraft built to compete in the Istres-Damascus-Paris Air Race of 1937, and was paid for by popular subscription in Romania. Christened Alba Julia ("White Julia", registration YR-AHA) it was piloted by Captain Alexander Papana of the Romanian Air Force . The aircraft was a low-wing cantilever monoplane with a similar fuselage to the Bellanca 28-70 and 28-90, but was fitted with three engines, one in the nose, and one in each of two underwing nacelles. The nacelles also housed the main undercarriage units when retracted. The fuselage was of tubular steel construction and covered by aluminum back to the cockpit. Aft of the cockpit, the fuselage was covered with fabric. The wings and tail were plywood-covered, and the control surfaces were covered by fabric. The main undercarriage partially retracted into the rear of the wing engine nacelles, but the tailwheel did not retract. Installed in each wing of the aircraft was a 250-HP (186 kW) Menasco C6S4 Super Buccaneer engine. The C6S4 was a direct drive, air-cooled, inverted, straight-six aircraft engine. The C6S4 was supercharged and displaced 544 cu. in. (8.9 L). Each C6S4 engine drove a 6-ft. 6-in. (1.98 m) diameter, two-blade, adjustable-pitch propeller. A 420-HP (313 kW) Ranger SGV-770 engine was in the nose of the 28-92. The SGV-770 was an air-cooled, inverted, V-12 engine. The engine was supercharged, displaced 773 cu. in. (12.7 L), and had gear reduction for the 8-ft. 3-in. (2.51 m) diameter, two-blade, adjustable-pitch propeller. All of the trimotor’s engines were hand cranked to start. The 28-92 had a fuel capacity of around 715 gallons (2,707 L). The aircraft had a span of 46-ft. 4-in. (14.1 m), a length of 28-ft. 4-in. (8.6 m), and weighed 4,700 lb. (2,132 kg) empty. The 28-92 had a top speed of 285 mph (459 km/h) and a 3,000 mile (4,828 km) range at 250 mph (402 km/h) or a 4,160 mile (6,695 km) range at 200 mph (322 km/h). Landing speed was 75 mph (121 km/h). Operational historyIn 1938, Bellanca re-registered the aircraft in the United States as NX2433 and entered it in the Bendix Trophy cross-country race. Frank Cordova was the pilot for the race, and the trimotor flew as race number 99. Unfortunately, because of engine trouble, the aircraft did not finish the cross-country race. The aircraft competed in the 1939 Bendix Trophy race, placing second, piloted by Arthur Bussy. After being sold in South America, the 28-92 ended its days rotting in a small field in Ecuador. Specifications{{Aircraft specs|ref=Jane's Encyclopedia of Aviation,[1] Aerofiles[2] |prime units?=imp
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|lists= |see also= }} Notes1. ^{{cite book|last=Taylor|first=Michael J.H.|title=Jane's Encyclopedia of Aviation|publisher=Portland House|location=New York|year=1989|pages=150|isbn=0-517-69186-8}} 2. ^{{cite web|last=Eckland|first=K.O.|title=Bellanca|url=http://aerofiles.com/_bella.html|publisher=Aerofiles|accessdate=16 January 2013}} References{{refbegin}}
External links{{commons category|Bellanca 28-92}}
5 : Bellanca aircraft|United States sport aircraft 1930–1939|Trimotors|Low-wing aircraft|Aircraft first flown in 1937 |
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