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was a utility aircraft built in
Austria in the late 1920s. It was a conventional, parasol-wing monoplane with seating for two occupants in tandem, open cockpits. The landing gear was of fixed, tailskid type with divided main units. Two examples were built with
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31 kg/m (6.3 lb/sq ft) normal; 38.8 kg/m (7.9 lb/sq ft)
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for Swiss aeroclub use. One of these latter machines remained in service until 1934.
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5-cylinder air-cooled radial piston engine, 45 kW (60 hp)
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2,160 km (1,340 mi, 1,170 nmi) with maximum load
306:. London: Sampson Low, Marston & company, ltd. p. 3c.
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engines, followed by two more with the more powerful
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187:3.1 m (10 ft 2 in) wings folded
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324:. London: Aerospace Publishing. p. 2174.
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267:1,000 m (3,300 ft) in 9 minutes
322:The Illustrated Encyclopedia of Aircraft
248:148 km/h (92 mph, 80 kn)
333:. London: Studio Editions. p. 511.
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255:50 km/h (31 mph; 27 kn)
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603:1920s Austrian civil utility aircraft
233:2-bladed wooden fixed-pitch propeller
7:
389:Wiener Neustadter Flugzeugwerk (WNF)
304:Jane's all the World's Aircraft 1928
181:11.26 m (36 ft 11 in)
149:Jane's all the World's Aircraft 1928
14:
582:The identifier "Ha" was also for
199:19.8 m (213 sq ft)
193:2.55 m (8 ft 4 in)
175:7.4 m (24 ft 3 in)
33:Hopfner with engine Walter NZ-60
24:
618:Single-engined tractor aircraft
331:Jane's Encyclopedia of Aviation
329:Taylor, Michael J. H. (1989).
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613:Aircraft first flown in 1928
217:770 kg (1,698 lb)
211:615 kg (1,356 lb)
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205:385 kg (849 lb)
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302:Grey, C.G., ed. (1928).
282:17.16 kg/kW (28.2 lb/hp)
142:Specifications (HS-5/28)
573:bombers and destroyers.
154:General characteristics
623:Parasol-wing aircraft
567:Messerschmitt Bf 109s
584:Hamburg-Steinwerder
215:Max takeoff weight:
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265:Time to altitude:
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608:Hopfner aircraft
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557:). In WWII, the
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43:Type of aircraft
41:Utility aircraft
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19:Hopfner HS-5/28
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563:Wiener Neustadt
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315:Further reading
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133:- version with
123:- version with
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100:Hopfner HS-5/28
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73:Theodor Hopfner
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88:Number built
480:HS-9, HS-16
345:Уголок неба
239:Performance
231:Propellers:
225:Walter NZ60
221:Powerplant:
105:Walter NZ60
597:Categories
545:Hirtenburg
473:Hirtenburg
385:Hirtenberg
289:References
278:Power/mass
197:Wing area:
82:July 1928
561:plant at
179:Wingspan:
167:Capacity:
147:Data from
69:Designer
541:absorbed
485:HM-13/34
464:HR-14/34
459:HV-12/34
454:HA-11/33
449:HS-10/33
444:HS-10/32
391:aircraft
131:HS-5/28a
115:Variants
54:Austria
578:^Note 1
571:Junkers
554:Hopfner
526:WNF 342
439:HV-8/29
434:HS-8/29
429:HV-6/28
424:HS-5/28
419:HV-4/28
414:HV-3/27
397:Hopfner
381:Hopfner
191:Height:
173:Length:
121:HS-5/28
63:Hopfner
387:, and
259:Range:
185:Width:
137:engine
127:engine
551:over
521:Wn 16
516:Wn 15
511:Wn 11
506:WNF-4
490:HV.15
161:Crew:
38:Role
409:HV-2
223:1 ×
135:NZ85
125:NZ60
109:NZ85
98:The
559:WNF
539:WNF
499:WNF
404:S-1
599::
383:,
92:4
547:(
373:e
366:t
359:v
280::
169:1
163:1
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