DFS 40

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The DFS 40 (originally developed as the Delta V) was a tail-less research aircraft designed by Alexander Lippisch in 1937 as a follow-on to his Delta IV aircraft. In construction, the DFS was more like a flying wing than its predecessor, and was intended to provide a comparison with that aircraft.

The DFS 40 was flown for the first time by Heini Dittmar in 1939, shortly before Lippisch departed the DFS (Deutsche Forschungsanstalt für Segelflug - German Research Institute for Sailplane Flight) to begin work at Messerschmitt. Soon afterwards, without Lippisch there to supervise the project, the aircraft was crashed due to an error in center of gravity calculations that resulted in it entering a flat spin during flight.

Specifications (DFS 40)[]

General characteristics

Crew: 1
Length: 5.1 m (16 ft 9 in)
Wingspan: 12 m (39 ft 4 in)
Powerplant: 1 × Argus As 8 4-cyl in-line piston engine, 75 kW (100 hp)

Performance

Notes[]

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v t e Reich Air Ministry aircraft designations

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

101 to 200	Al 101 Al 102 Al 103 Fi 103 Fh 104 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 Heinkel 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 Blohm & Voss 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 Junkers Ju 147 Go 149 Go 150 Kl 151 Ta 152 Klemm Kl 152

201 to 300	Si 201 DFS 203 Si 204 Me 208 Me 209 Me 209 (1943) Me 210 Hü 211 Do 212 Do 214 Do 215 Dornier Do 216 Do 217 Henschel Hs 217 He 219 Heinkel He 220 BV 222 Fa 223 Focke-Achgelis Fa 224 AGO Ao 225 Fa 225 Blohm & Voss BV 226 Horten Ho 226 FGP 227 DFS 228 Ho 229 DFS 230 Ar 231 Ar 232 Ar 233 Ar 234 Dornier Do 235 Blohm & Voss BV 237 BV 238 Focke-Wulf Fw 238 Arado Ar 239 Ar 240 Gotha Go 241

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 Messerschmitt Me 334 Do 335 Focke Achgelis Fa 336 Flettner Fl 339 E.340 WNF 342 He 343 Kramer Rk 344 So 344 Go 345 DFS 346 Kramer Rk 347 Ba 349 Ju 352 Messerschmitt Me 362 Messerschmitt Me 364 Ju 388 Ju 390 Focke-Wulf Fw 391 Ar 396 Ta 400 Me 409 Me 410 Dornier Do 417 He 419 Zeppelin-Messerschmitt ZMe 423 Arado Ar 430 Ka 430 Ar 432 Do 435 Ar 440 Junkers Ju 452 Messerschmitt Me 462 Ju 488 Focke-Wulf Fw 491 Me 509 Messerschmitt Me 510 He 519 ZSO 523 Ar 532 Do 535 E.555 Me 609 Ar 632 Do 635

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