157:, each wide enough to seat two side by side. The forward seats were under the wing and the other, seating the pilot, below the trailing edge. As on the Medwecki HL 2 the forward seats were entered via a car-type door with a special lock that maintained the integrity of the upper longeron; the cockpit, without the obstacle of the wing, could be entered over its side.
212:. In addition, the front cockpit and the wing strut fairings were removed. These changes increased the empty weight by 34%. Its maximum speed was 148 km/h (92 mph; 80 kn), it could climb to 1,000 m (3,300 ft) in 4 min 20 s and had a service ceiling of 3,900 m (12,800 ft).
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The first flight was made in late
September 1928. Despite the lack of power it was able to carry three passengers and handled well. Without the passengers it could perform simple aerobatics. On the flight to the Second National Lightplane Contest in late October it suffered engine problems and had to
224:
club where it flew into the late 30s, participating in many meetings and regional and national competitions. In 1933 it competed in the Fifth
National Lightplane Contest. Flown by Stefan Krynski, it came eleventh out of twenty-six.
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was also conventional, with mainwheels on a single axle supported on V-struts from the lower fuselage longerons below the wing strut joints. Rubber cords in the apexes of the V-struts acted as shock absorbers.
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in
October 1927, Jozef Medwecki chose not to rebuild it for the following year's contest but to submit a new design. His collaboration with Zygmunt Nowakowski produced the single engine, four seat, braced
204:, and partly because of the closure of Samolot, the conversion was not completed until 1932. The main improvement was replacement of the Anzani engine by a 45 kW (60 hp)
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The four seat M.N.3 had been designed to be powered by a 45 kW (60 hp) engine but initially all that was available was a loaned and reconditioned
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was a low-powered, four seat, Polish aircraft flown in 1928. The sole example was modified into a more powerful two-seater which served aeroclubs until
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After obtaining its certificate of airworthiness the sole N.M.4 was used by the P.W.S. flying club for about a year, then moved to the
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Though it was not seriously damaged in the landing, its designers decided to convert the M.N.3 into a two-seater, designated the
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in the nose. The fuselage had a rectangular section apart from the rounded upper decking and held two tandem
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covered. It was essentially rectangular in plan, though with rounded tips and a small central cut-out in the
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and stiffened with lighter N-struts between the lower fuselage and the spars, provided the primary bracing.
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to improve the pilot's field of view. The half-wings joined over the fuselage, supported on a low
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was badly damaged in a forced landing during the First
National Lightplane Contest held in
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was mounted near the top of the fuselage and was rigidly braced, though its
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200:. Partly because they were busy working on their final joint design, the
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The M.N.3 modified into a two-seater with a Cirrus III inline engine.
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The M.N.3's wing was built in two parts around pairs of wooden
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which produced 34 kW (45 hp). It was mounted,
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300 km (190 mi, 160 nmi) fully loaded
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184:were divided to allow rudder movement. The fixed
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237:Four-seater with an Anzani 6 radial engine.
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370:105 km/h (65 mph, 57 kn)
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382:58 km/h (36 mph; 31 kn)
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50:Jozef Medwecki and Zygmunt Nowakowski
423:. London: Putnam Publishing. p.
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168:mounting an essentially rectangular
164:was conventional, with a triangular
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208:upright four-cylinder, air-cooled
107:M.N.3. They received funding from
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314:18.5 m (199 sq ft)
308:2.25 m (7 ft 5 in)
296:7.1 m (23 ft 4 in)
302:11 m (36 ft 1 in)
455:Single-engined tractor aircraft
1:
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202:Medwecki and Nowakowski M.N.5
76:Medwecki and Nowakowski M.N.3
470:Aircraft first flown in 1928
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465:1920s Polish civil aircraft
335:680 kg (1,499 lb)
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193:make an emergency landing.
180:was ground-adjustable. The
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27:Four seat touring aircraft
419:Polish Aircraft 1893-1939
349:, 34 kW (45 hp)
329:355 kg (783 lb)
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275:General characteristics
115:, Medwecki's employer.
263:Specifications (M.N.3)
90:Design and development
460:Parasol-wing aircraft
415:Cynk, Jerzy (1971).
111:and assistance from
58:late September 1928
216:Operational history
178:angle of incidence
250:Operators (M.N.4)
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290:Three passengers
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29:Type of aircraft
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258:Gdańsk aeroclub
255:P.W.S. aeroclub
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36:National origin
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380:Landing speed:
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368:Cruise speed:
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347:radial engine
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333:Gross weight:
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327:Empty weight:
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323:Göttingen 655
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145:six cylinder
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128:trailing edge
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96:Medwecki HL 2
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55:First flight
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186:landing gear
160:The M.N.3's
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105:parasol wing
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84:World War II
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64:Number built
361:Performance
353:Propellers:
345:6-cylinder
339:Powerplant:
270:Cynk (1971)
449:Categories
387:References
312:Wing area:
206:Cirrus III
94:After the
300:Wingspan:
288:Capacity:
268:Data from
182:elevators
174:tailplane
162:empennage
47:Designer
355:2-bladed
343:Anzani 6
229:Variants
155:cockpits
151:uncowled
143:Anzani 6
136:fairings
122:and was
78:or just
319:Airfoil
306:Height:
294:Length:
124:plywood
113:Samolot
109:L.O.P.P
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374:Range:
222:Gdańsk
210:inline
172:. Its
170:rudder
147:radial
132:cabane
100:Poland
41:Poland
19:M.N.3
425:373-5
282:Crew:
242:M.N.4
234:M.N.3
198:M.N.4
120:spars
80:M.N.3
24:Role
429:ISBN
341:1 ×
74:The
284:One
166:fin
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395:^
86:.
68:1
437:.
321::
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