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wings, straight-edged and slightly swept at about 2°. Their tips were rounded. The lower wing was a little shorter and smaller in area, providing 47% of the total. The structure of the wings, like that of the rest of the aircraft, was entirely wood and they were each built around two
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The exact date of the first flight of the Astra-Protopopescu is not known but its tests had been concluded by June 1925. Though the results were satisfactory and although it met the requirements set by the
Romanian Ministry for War, no orders for serial production were received.
183:; both the upper and lower trailing edges had cut-outs to improve his view. The observer/gunner sat in a second cockpit immediately behind the pilot, equipped with dual controls as well as cameras and radio. Three
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was attached to each lower fuselage longeron, joined by a cross-piece at their apexes, above which a single axle bearing the main wheels was rubber sprung. The wooden tailskid was also rubber sprung.
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with significant stagger; the wings were relatively displaced horizontally by 300 mm (12 in) and separated vertically by 1,570 mm (62 in). The bay was formed by a parallel pair of
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on each side, together with bracing wires; each pair of struts leaned forwards because of the stagger and also slightly outwards. The central upper wing was joined to the upper fuselage by
160:. These leaned outwards at the front and rear of the wing, the latter supplemented with a central, transverse inverted V-pair. Only the upper wing carried the long
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in the nose. The fuselage was basically of rectangular cross-section, though the upper fuselage was formed by a curved decking. The pilot's open
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were also smoothly curved together; the latter extended to the keel and worked in a rounded elevator cut-out.
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17.10 m (184.1 sq ft) upper wing, lower 14.90 m (160.4 sq ft)
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was intended as a reconnaissance aircraft. It was a biplane with constant
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could also be mounted there. The fuselage tapered aft to conventional,
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Les Ailes June 1925, Romanian
Aeronautical Constructions 1905 - 1974
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The Astra-Protopopescu had a conventional, fixed tailskid
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205 km/h (127 mph, 111 kn) at ground level
420:Gudju, Ion; Gheorghe Iacobescu; Ovidiu Ionescu.
127:The Astra-Proto, designed by Lieutenant-Colonel
199:positioned near the top of the fuselage. The
423:Romanian Aeronautical Constructions 1905-1974
8:
302:water-cooled V-8, 220 kW (300 hp)
167:Its engine was a 220 kW (300 hp)
16:Romanian reconnaissance aircraft prototype
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191:tail surfaces with a continuously curved
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341:26 min to 4,000 m (13,000 ft)
329:98 km/h (61 mph, 53 kn)
164:which occupied about 60% of the span.
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259:10.60 m (34 ft 9 in)
253:7.20 m (23 ft 7 in)
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265:2.90 m (9 ft 6 in)
447:1920s Romanian military aircraft
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392:Béjar, Auguste (11 June 1925).
1:
335:6,100 m (20,000 ft)
292:1,488 kg (3,280 lb)
286:1,010 kg (2,227 lb)
394:"L'Avion Astra-Protopopescu"
468:
171:water-cooled V-8 with its
119:flown and tested in 1925.
179:was under the upper wing
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238:General characteristics
117:reconnaissance aircraft
44:Reconnaissance aircraft
429:. Brasov. p. 102.
362:Astra Aircraft Factory
133:Astra Aircraft Factory
123:Design and development
69:Astra Aircraft Factory
35:Astra-Proto in flight
452:Ștefan Protopopescu
129:Ștefan Protopopescu
79:Ștefan Protopopescu
357:Proto 2 (aircraft)
214:. A short V-form
150:single bay biplane
106:Astra-Protopopescu
339:Time to altitude:
154:interplane struts
131:and built by the
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333:Service ceiling:
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300:Hispano-Suiza 8F
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169:Hispano-Suiza 8F
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47:Type of aircraft
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257:Upper wingspan:
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54:National origin
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321:Maximum speed:
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327:Stall speed:
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185:machine guns
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148:. It was a
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94:Number built
314:Performance
306:Propellers:
296:Powerplant:
110:Astra-Proto
88:Early 1925
441:Categories
368:References
269:Wing area:
189:unbalanced
400:(208): 2.
398:Les Ailes
280:Heilbronn
231:Data from
197:elevators
193:tailplane
75:Designer
346:See also
308:2-bladed
173:radiator
162:ailerons
114:Romanian
352:Proto 1
276:Airfoil
263:Height:
251:Length:
177:cockpit
59:Romania
205:rudder
112:was a
427:(PDF)
245:Crew:
216:strut
146:spars
141:chord
40:Role
298:1 ×
203:and
195:and
137:Arad
104:The
247:Two
201:fin
135:at
108:or
443::
406:^
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376:^
98:1
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