Aircraft Design Projects Episode 7 potx

... universities were brought to the table “chap 07 — 2003/3/10 — page 178 — #4 178 Aircraft Design Projects The final design was to be entered in an American design competition sponsored by NASA and ... aspect ratio, any such help is welcome. “chap 07 — 2003/3/10 — page 176 — #2 176 Aircraft Design Projects 7. 1 Introduction ‘Flying car’, ‘roadable aircraft , ‘dual-mode vehicl...

Ngày tải lên: 13/08/2014, 15:21

... class) 70 00 8000 9000 Aircraft ran g e (with reserves) (nm) Fig. 2.2 Aircraft development programme (Boeing 77 7) engine manufacturers’ projected engine designs. Using a rubber engine, the aircraft ... against the aircraft configuration. Two design processes are used: • Constraint analysis • Aircraft trade studies “chap02” — 2003/3/10 — page 37 — #32 Preliminary design...

Ngày tải lên: 13/08/2014, 15:21

... 15.93 16.31 16 .70 17. 53 17. 10 16 .70 16.31 15.93 65 13.98 14. 27 ∗ 14.56 14.85 15.14 19.03 18.63 18. 27 17. 91 17. 57 70 12.66 12. 87 13.08 ∗ 13.28 13.49 21.03 20. 67 20.34 20.03 19 .72 30° 30° 20° 10° LE ... system 12 077 (26 630) 19.2 Fixed systems 3 673 (8 100) 5.8 Aircraft empty 25 846 (56 990) 41.1 Crew (two pilots) 500 (1 100) Weapons 6 100 (13 450) Zero fuel mass 32 446 (7...

Ngày tải lên: 08/08/2014, 11:21

... References 174 7 Project study: a dual-mode (road/air) vehicle 175 7. 1 Introduction 176 7. 2 Project brief (flying car or roadable aircraft? ) 176 7. 3 Initial design considerations 177 7. 4 Design concepts ... U-2S 276 9.5.2 Grob Strato 2C 276 9.5.3 Northrop Grumman RQ-4A Global Hawk 277 9.5.4 Grob G520 Strato 1 277 9.5.5 Stemme S10VC 277 9.6 Design concepts 278 9.6.1 Con...

Ngày tải lên: 13/08/2014, 15:21

... most of the design parameters are interconnected this would be a complex process. At this early stage in “chap04” — 2003/3/10 — page 94 — #49 94 Aircraft Design Projects 72 70 74 76 78 80 82 8 10 12 14 400 450 500 550 $1000 Fig. ... 12 .7 cents Cash DOC/flt hr = $3500 Total stage cash cost = $50 450 Aircraft cash mile cost = $7. 20 Cash seat mile cost (100%) = 9.0 cents “chap0...

Ngày tải lên: 13/08/2014, 15:21

... 34 /75 ) 1 .7 Undercarriage 2 37/ 523 4.2 Total structure 1246/ 274 7 21.8 Engine (dry) 577 /1 272 Engine and fuel systems 288/635 Total propulsion 865/19 07 15.2 Equipment (total) 1200/2646 21.0 Total aircraft ... = 4 577 kg/10 092 lb) Hence β = 4 577 / 570 7 = 0.8. “chap05” — 2003/3/10 — page 128 — #28 128 Aircraft Design Projects Climb rate (m/s) sea level 25 000 ft 36 000 ft 30...

Ngày tải lên: 13/08/2014, 15:21

... aircraft design and performance: 1 Raymer, D. P., Aircraft Design: A Conceptual Approach, AIAA Education Series, 1999, ISBN 1-563 47- 281-0. “chap05” — 2003/3/10 — page 132 — #32 132 Aircraft Design ... 1 Method 2 Method 3 Structure 104 .7 93 .7 90.9 1 17. 7 Empty 235.8 2 37. 0 206.1 251 .7 Gross 340.1 341.3 310.4 356.0 % change <1% −8% +5% Details of the Nemesis aircraft w...

Ngày tải lên: 13/08/2014, 15:21

... “chap 07 — 2003/3/10 — page 196 — #22 196 Aircraft Design Projects Table 7. 5 Structural material selection Structure Component Material Crumple zone Rib 1 Al 70 75 Bulkhead 1 Al 70 75 Passenger ... Forward spar Al 70 75 Rear spar Al 70 75 Top skin Al 70 75 Bottom skin Al 2024 Telescoping wing Rotating spars Stainless steel Non-rotating spars Carbon fiber Spar attachments Al 70 75...

Ngày tải lên: 13/08/2014, 15:21

... tanks 1 72 3 78 3 1.5 19.5 Aircraft systems 1 546 70 1 1.4 14.0 Avionics 2 370 1 077 2.1 9.5 Cockpit systems 1 440 653 1.3 10.0 Weapon systems 1 500 682 1.3 17. 0  FIXED EQUIP. 8 579 3 891 7. 6  EMPTY ... 3.2 (u/c) 6 .7 Intakes 2 633 1 1 97 2.3 13.5  STRUCTURE 18 535 8 406 16.2 Dressed engine 15 600 7 091 13 .7 Installation 76 9 349 0 .7 Engine system 1 054 478 0.9  PROPULSI...

Ngày tải lên: 13/08/2014, 15:21