Junkers Ju 160

Ju 160

Role	Small fast passenger transport
Manufacturer	Junkers
First flight	30 January 1934
Introduction	1935
Primary user	Deutsche Lufthansa
Produced	Luftwaffe
Number built	47

The Junkers Ju 160 was a German single-engine, low-wing six-seat passenger transport aircraft developed from the Ju 60 and targeted at the same fast airliner market as the Heinkel He 70 and the Lockheed Model 9 Orion. The Deutsche Lufthansa fleet of 21 aircraft began operations in 1935 and continued until the start of World War II.

Design and development

The earlier Ju 60 from which the Ju 160 was developed was not fast enough to compete with the Heinkel He 70 and only about three were used by Lufthansa in the period 1933-6. The Ju 160 was cleaned up aerodynamically^[1] and had a more powerful engine, that combination making it about 72 km/h (45 mph) faster. Like the Ju 60 and in the Junkers' tradition, the Ju 160 was a low-wing cantilever design, the wings being built around twin duralumin spars and covered in sheet duralumin. For the first time, though, a Junkers aircraft used entirely smooth skinning; the Ju 60 had a smooth-skinned fuselage but the traditional corrugated flying surfaces. The improved performance of the Ju 160 was in part due to this change of skinning. The wing planform was also revised to have taper only on the leading edge. The trailing edge carried the usual Junkers "double wing", a full-width adjustable flap cum aileron arrangement.

Other aerodynamic improvements included a cockpit enclosure better faired into the fuselage and a seriously revised undercarriage which now retracted inwards into the underside of the wing where the wheels were completely enclosed. The Ju 60 undercarriage left the wheels partially protruding in Douglas DC-3 fashion on retraction. Finally, the power was increased by 10% with a 490 kW (660 hp) BMW 132E radial engine.

Seating was for six passengers in two forward-facing and one rear-facing pairs. The crew, pilot and radio operator sat in tandem in an enclosed cockpit.

The first prototype Ju 160 V1, D-UNOR, was taken from the Ju 60 construction line^[2] and first flew in January 1934. Lufthansa used it in trials and a number of changes were made to the final prototype (V3), including ^[1] a wider chord, less deep rudder and a faired tailwheel plus minor door modifications. The first civil production series were designated Ju 160 A-0. The second prototype V2 was for a military version.

Operational history

Including prototypes, 47 Ju 160s were produced.^[1]^[2] Lufthansa were the main commercial operator, receiving 21 production aircraft. They were running on 13 domestic routes in 1935 alone and stayed in service for example on the fast route between Berlin and Vienna until 1941. One of the 21 was initially operated by the Lufthansa subsidiary Eurasia; this aircraft, however, crashed in Shanghai and was taken back to Germany and to Lufthansa after repairs. The first 11 Lufthansa machines were Ju 160 A-0s registered in 1935, followed by 10 D-0s in 1936. The D-0 version had larger cockpit windows and other crew comfort enhancements.^[1] Weser Flugbau used an ex-Lufthansa aircraft. Two machines appeared on the Manchurian civil register, one of then having earlier been registered in Germany, the other sold direct.

The German Research Institute for Aviation (Deutsche Versuchsanstalt fur Luftfahrt e.V ) operated four Ju 160s.^[2] Five others operated at the Flight Research Centre (E-Stelle) at Travemünde. The remaining aircraft were mostly military versions. Most of the surviving civilian Ju 160s in Germany were eventually impressed in Luftwaffe service. The Manchurian aircraft appear to have ended up in Japan.

Operators

Germany

Japan

Imperial Japanese Navy Air Service as the "LXJ"

Specifications (Ju 160)

Data from German Aircraft of the Second World War ^[3]

General characteristics

Crew: 2
Capacity: 6 passengers
Length: 12.0 m (39 ft 4½)
Wingspan: 14.32 m (46 ft 11¾)
Height: 4.0 m ^[4] (13 ft in)
Wing area: 34.8 m² (375 ft²)
Empty weight: 2,320 kg (5,114 lb)
Loaded weight: 3,450 kg (7,606 lb)
Powerplant: 1 × BMW 132A, 490 kW (657 hp)

Performance

Maximum speed: 340 km/h (211 mph, 184 kn)
Cruise speed: 315 km/h (196 mph, 170 kn)
Range: 1,200 km at 1,900 m^[4] (745 mi at 6,200 ft)
Service ceiling: 5,200 m (17,060 ft)
Wing loading: 66.7 kg/m² (20.3 lb/ft²)
Power/mass: 0.14 kW/kg (0.086 hp/lb)
Endurance: 3 hr 12 min

References

Wikimedia Commons has media related to Junkers Ju 160.

Notes

1 2 3 4 Turner, P. StJ. & Nowarra, N. Junkers: an aircraft album (1971). New York: Arco Publishing Co, Inc. ISBN 0-668-02506-9
1 2 3 http://www.goldenyears.ukf.net/
↑ Smith, J.R. and Kay, Antony L. German Aircraft of the Second World War. p.423 London: Putnam, 1972. ISBN 978-0933852976
1 2 Grey, C. & Bridgman, L. Jane's All the World's Aircraft 1938 (1972). Newton Abbot: David & Charles (Publishers) Ltd. ISBN 0-7153-5734-4

Bibliography

Junkers aircraft designations by designating body

Company	J 1 J 2 J 3 J 4 J 5 J 6 J 7 J 8 J 9 J 10 J 11 J 12 F 13 J 15 K 16 K 17 J 18 T 19 A 20 H 21 / J 21 / T 21 J 22 T 23 G 23 F 24 / G 24 A 25 T 26 T 27 J 28 T 29 K 30 G 31 A 32 W 33 W 34 A 35 S 36 K 37 G 38 K 39 K 47 A 48 A 50 K 51 K 53

Idflieg	CL.I D.I E.I J.I

RLM	Ju 46 Ju 49 Ju 52 Ju 60 Ju 85 Ju 86 Ju 87 Ju 88 Ju 89 Ju 90 Ju 160 Ju 187 Ju 188 Ju 248 Ju 252 Ju 268 Ju 287 Ju 288 Ju 290 Ju 322 Ju 352 Ju 388 Ju 390 Ju 488 Ju 635

"EF" (experimental)	EF 61 EF 126 EF 127 EF 128 EF 131 EF 132 EF 140 EF 150

Reich Air Ministry aircraft designations

1 to 100	B 9 Gö 9 Do 10 Do 11 Wn 11 Do 12 Do 13 Do 14 Do 15 Wn 15 Do 16 Wn 16 Do 17 Do 18 Do 19 Do 20 Do 22 Do 23 Do 24 Kl 25 Do 26 Kl 26 M 27 Do 29 Kl 31 Kl 32 W 33 L 33 W 34 Kl 35 Kl 36 HD 37 HD 38 G 38 DFS 39 BV 40 DFS 40 A 40 Fw 42 He 42 Fw 43 HD 43 Fw 44 He 45 He 46 Ju 46 Fw 47 Ju 47 K 47 A 48 He 49 Ju 49 He 50 A 50 He 51 K 51 Ju 52 K 53 NR 54 Fw 55 NR 55 Fw 56 Fw 57 Fw 58 He 58 He 59 He 60 Ju 60 Fw 61 He 61 Fw 62 He 62 He 63 Ar 64 He 64 Ar 65 He 65 Ar 66 He 66 Ar 67 Ar 68 Ar 69 He 70 He 71 He 72 He 74 Ar 76 Ar 77 Ar 79 Ar 80 Ar 81 Ju 85 Ju 86 Ju 87 Ju 88 Ju 89 Ju 90 Ar 95 Ar 96 Fi 97 Fi 98 Fi 99 He 100

101 to 200	Al 101 Al 102 Al 103 Fi 103 Fh 104 Kl 105 Kl 106 Kl 107 Bf 108 Bf 109 Bf 110 He 111 He 112 He 113 He 114 He 115 He 116 Hs 117 He 118 He 119 He 120 Hs 121 Hs 122 Hs 123 Hs 124 Hs 125 Hs 126 Hs 127 Hs 128 Hs 129 Hs 130 Bü 131 Hs 132 Bü 133 Bü 134 Ha 135 Ha 136 Hü 136 Ha 137 BV 138 Ha 139 Ha 140 BV 141 BV 142 BV 143 BV 144 Go 145 Go 146 Go 147 Ju 147 Go 149 Go 150 Kl 151 Ta 152 Kl 152 Ta 153 Ta 154 BV 155 Fi 156 Fi 157 Fi 158 Fw 159 Ju 160 Bf 161 He 162 Bf 162 Bf 163 Me 163 Me 164 Fi 166 FK 166 Fi 167 Fi 168 He 170 He 172 He 176 He 177 He 178 Bü 180 Bü 181 Bü 182 Ta 183 Fl 184 Fl 185 Fw 186 Ju 186 Fw 187 Ju 187 Ju 188 Fw 189 Fw 190 Fw 191 Ao 192 DFS 193 DFS 194 Ar 195 Ar 196 Ar 197 Ar 198 Ar 199 Fw 200

201 to 300	Si 201 Si 202 DFS 203 Si 204 Fw 206 Me 208 Me 209 Me 209 (1943) Me 210 Hü 211 Do 212 Do 214 Do 215 Do 216 Do 217 Hs 217 He 219 He 220 BV 222 Fa 223 Fa 224 Ao 225 Fa 225 BV 226 Ho 226 FGP 227 DFS 228 Ho 229 DFS 230 Ar 231 Ar 232 Ar 233 Ar 234 Do 235 BV 237 BV 238 Fw 238 Ar 239 Ar 240 Go 241 Go 242 Go 244 BV 246 Ju 248 BV 250 Fw 250 Ho 250 Ho 251 Ho 252 Ju 252 Fi 253 Ho 253 Ta 254 Ho 254 Fi 256 Sk 257 Fw 261 Me 261 Me 262 Me 263 Me 264 Fl 265 Me 265 Fa 266 Ho 267 Ju 268 Fa 269 He 270 We 271 Fw 272 He 274 He 275 He 277 He 278 He 280 Fl 282 Fa 283 Ta 283 Fa 284 Fl 285 Ju 286 Ju 287 Ju 288 Ju 290 Me 290 As 292 Hs 293 Hs 294 Hs 295 Ar 296 Hs 296 Hs 297 Hs 298 Fw 300

301-	Me 309 Me 310 Do 317 Do 318 He 319 Me 321 Ju 322 Me 323 Me 328 Me 329 Fa 330 DFS 331 DFS 332 Fi 333 Me 334 Do 335 Fa 336 Fl 339 E.340 WNF 342 He 343 Rk 344 So 344 Go 345 DFS 346 Rk 347 Ba 349 Ju 352 Me 362 Me 364 Ju 388 Ju 390 Fw 391 Ar 396 Ta 400 Me 409 Me 410 Do 417 He 419 ZMe 423 Ar 430 Ka 430 Ar 432 Do 435 Ar 440 Ju 452 Me 462 Ju 488 Fw 491 Me 509 Me 510 He 519 ZSO 523 Ar 532 Do 535 E.555 Me 609 Ar 632 Do 635

Japanese Navy Transport Aircraft designations

L1N L2D L3Y L4M L7P LXC LXD LXF LXG/LXG LXHe LXJ/LXJ LXK LXM

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