Boeing 720
| Boeing 720 | |
|---|---|
 | |
| Trans Polar Boeing 720, junija 1970 | |
| Vloga | Reaktivno potniško letalo |
| Izvor | ZDA |
| Proizvajalec/-ci | Boeing Airplane Company |
| Krstni polet | 23. november 1959 |
| Predstavljen | 5. julij 1960 (United Airlines) |
| Upokojen | 20. september 2010[1] |
| Status | Retired |
| Glavni uporabniki | United Airlines Western Airlines Eastern Airlines Northwest Airlines |
| Izdelovan | 1958–1967 |
| Število izdelanih | 154 |
| Razvit iz | Boeing 707 |
Boeing 720 je štirimotorno ozkotrupno reaktivno potniško letalo s kratkim do srednjim dosegom, ki ga je ravzil Boeing v poznih 1950ih na podlagi Boeinga 707. 720 ima za razliko krajši trup in manj doleta. Prvič je poletel nomebra 1959, v uporabo je vstopil naslednje leto pri družbi United Airlines.
Zgradili so dve verziji, originalni 720 je imel štiri turboreaktivne motorje Pratt & Whitney JT3C, izboljšani 720B pa štiri turboventilatorske Pratt & Whitney JT3D. Skupno so zgradili 154 letal 720, in okrog 1010 precej podobnih 707. Boeinga 720 je nasledil trimotorni Boeing 727.
Specifikacije[uredi | uredi kodo]
| 720 | 707-120B | 707-320B | |
|---|---|---|---|
| Posadka | 4 (Pilot, Kopilot, Inženir leta, Navigator) | ||
| Kapaciteta | 149 | 110 (2 razred) 189[2] (1 class) |
147 (2 razreda) 189 (1 razred) |
| Dolžina | 136 ft 2 in (41,25 m) | 145 ft 1 in (44,07 m) | 152 ft 11 in (46,61 m) |
| Razpon kril | 130 ft 10 in (39,90 m) | 145 ft 9 in (44,42 m) | |
| Višina | 41 ft 7 in (12,65 m) | 42 ft 5 in (12,93 m) | |
| Maks. vzletna teža | 222000 lb (100800 kg) | 257000 lb (116570 kg) | 333600 lb (151320 kg) |
| Prazna teža | 103145 lb (46785 kg) | 122533 lb (55580 kg) | 146400 lb (66406 kg) |
| Vzletna razdalja pri MTOW | 8300 ft (2515 m) | 11000 ft (3330 m) | 10840 ft (3280 m) |
| Kapaciteta goriva | 60900 L | 65590 L | 90160 L |
| Pristajalna razdalja | 5750 ft (1740 m) | 6200 ft (1875 m) | 5950 ft (1813 m) |
| Dolet z maks. tovorom | 3680 nmi (6820 km) | 3735 nmi (6920 km) | |
| Dolet z maks. gorivom | 3800 nmi (7040 km) | 4700 nmi (8704 km) | 5750 nmi (10650 km) |
| Potovalna hitrost | 540 vozlov / 621 mph (1000 km/h) | 525 vozlov/604 mph (972 km/h) | |
| Širina trupa | 12 ft 4 in (3,76 m) | ||
| Motor (4 x) | Pratt & Whitney JT3C-7: 12000 lbf (53,3 kN) |
Pratt & Whitney JT3D-1: 17000 lbf (75,6 kN) |
PW JT3D-3: 18000 lbf (80 kN) PW JT3D-7: 19000 lbf (84,4 kN) |
Glej tudi[uredi | uredi kodo]
- Boeing 367-80
- Boeing 707
- Boeing C-135 Stratolifter
- Boeing KC-135 Stratotanker
- Convair 880
- Tupoljev Tu-114
Reference[uredi | uredi kodo]
- ↑ Niles, Russ. "Last Boeing 720 Retired." avweb.com, October 5, 2010. Retrieved: October 26, 2010.
- ↑ FAA Type Certificate Data Sheet http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/8b6ebaa7513ba29a852567240060420c/$FILE/4a21.PDF Arhivirano 2015-11-25 na Wayback Machine.
- ↑ »Boeing 720«. Boeing Commercial Airplanes. Pridobljeno 7. julija 2011.
- ↑ "Boeing 720." Boeing, May 2011. Retrieved: December 27, 2009.
- ↑ "707 Airplane Characteristics: Airport Planning." Boeing, May 2011. Retrieved: September 21, 2012.
- ↑ "Boeing 707 Family." Boeing. Retrieved: December 27, 2009.
Bibliografija[uredi | uredi kodo]
- Francillon, René. Boeing 707: Pioneer Jetliner. Shrewsbury, Shropshire, UK: Motor Books International, 1999. ISBN 0-7603-0675-3
- Pither, Tony (1998). The Boeing 707 720 and C-135. England: Air-Britain (Historians) Ltd. ISBN 0-85130-236-X.
- Proctor, Jon (2001). Boeing 720. Miami, FL: World Transport Press. ISBN 1-892437-03-1.
- Proctor, Jon; Mike Machat; Craig Kodera (2010). From Props to Jets: Commercial Aviation's Transition to the Jet Age 1952–1962. North Branch, MN: Specialty Press. ISBN 978-1-58007-146-8.
- Bowers, Peter M. Boeing Aircraft since 1916. London: Putnam Aeronautical Books, 1989. ISBN 0-85177-804-6.
- Bradley, Catherine (Januar 1983). Boeing 707 Super Profile. Yeovil, Somerset UK: Haynes Publishing, 1983. ISBN 0-85429-356-6.
{{navedi knjigo}}: Vzdrževanje CS1: ref podvaja privzeto (povezava) - Breffort, Dominique. Boeing 707, KC-135 and Civilian and Military Versions. Paris: Histoire & Collections. ISBN 978-2-35250-075-9.
- Caidin, Martin. Boeing 707. New York: Bantam Books, 1959.
- Cearley, George Walker. Boeing 707 & 720: A Pictorial History. Dallas, TX: G.W. Cearley Jr, 1993. No ISBN.
- Cook, William H. Road to the 707: The Inside Story of Designing the 707. Bellevue, WA: TYC Publishing Company, 1991. ISBN 0-9629605-0-0.
- Irving, Clive. Wide Body: The Making of the Boeing 747. Philadelphia: Coronet, 1994. ISBN 0-340-59983-9.
- Lloyd, Alwyn T. Boeing 707 & AWACS in Detail and Scale. Falbrook, CA: Aero Publishers, 1987. ISBN 0-8306-8533-2.
- Price, Alfred. The Boeing 707. Leatherhead, Surrey, UK: Profile Publications, 1967.
- Proctor, Jon; Machat, Mike.; Kodera, Craig. (2010). From Props To Jets : Commercial Aviation\'s Transition To The Jet Age 1952–1962. North Branch, MN: Specialty Press. ISBN 978-1-58007-146-8.
- Schiff, Barry J. The Boeing 707. Blue Ridge Summit, PA: Tab Books, 1982, First edition 1967, . ISBN 0-8168-5653-2.
- Smith, Paul Raymond. Boeing 707 – Airline Markings No. 3. Shrewsbury, Shropshire, UK: Swan Hill Press, 1993. ISBN 1-85310-087-0.
- Stachiw, Anthony L. and Andrew Tattersall. Boeing CC137 (Boeing 347C) in Canadian Service. St. Catherines, ON: Vanwell Publishing Ltd., 2004. ISBN 1-55125-079-9.
- Whittle, John A. The Boeing 707 and 720. Tonbridge, Kent: Air Britain (Historians), 1972. ISBN 0-85130-025-1.
- Wilson, Stewart (1999). Airliners of the World. Fyshwick, ACT, Australia: Aerospace Publications Pty Ltd., 1999. ISBN 1-875671-44-7.
{{navedi knjigo}}: Vzdrževanje CS1: ref podvaja privzeto (povezava) - Wilson, Stewart. Boeing 707, Douglas DC-8, and Vickers VC-10. Fyshwick, Australia, ACT: Aerospace Publications Pty Ltd., 1998. 1-875671-36-6.
- Winchester, Jim. Boeing 707. Shrewsbury, Shropshire, UK: Airlife, 2002. ISBN 1-84037-311-3. -->
Zunanje povezave[uredi | uredi kodo]
Wikimedijina zbirka ponuja več predstavnostnega gradiva o temi: Boeing 720.
