Boeing 720

Iz Wikipedije, proste enciklopedije
Jump to navigation Jump to search
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.

A Middle East Airlines Boeing 720B aprila 1982

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)

Viri: Boeing[3][4][5][6]

Glej tudi[uredi | uredi kodo]

Reference[uredi | uredi kodo]

  1. ^ Niles, Russ. "Last Boeing 720 Retired." avweb.com, October 5, 2010. Retrieved: October 26, 2010.
  2. ^ FAA Type Certificate Data Sheet http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/8b6ebaa7513ba29a852567240060420c/$FILE/4a21.PDF
  3. ^ "Boeing 720". Boeing Commercial Airplanes. Pridobljeno dne July 7, 2011. 
  4. ^ "Boeing 720." Boeing, May 2011. Retrieved: December 27, 2009.
  5. ^ "707 Airplane Characteristics: Airport Planning." Boeing, May 2011. Retrieved: September 21, 2012.
  6. ^ "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. Boeing 707 Super Profile. Yeovil, Somerset UK: Haynes Publishing, 1983. ISBN 0-85429-356-6. 
  • 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. Airliners of the World. Fyshwick, ACT, Australia: Aerospace Publications Pty Ltd., 1999. ISBN 1-875671-44-7. 
  • 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]