IL78785A - Method for determining the horizontal airspeed of helicopters in low speed ranges - Google Patents

Method for determining the horizontal airspeed of helicopters in low speed ranges

Info

Publication number
IL78785A
IL78785A IL78785A IL7878586A IL78785A IL 78785 A IL78785 A IL 78785A IL 78785 A IL78785 A IL 78785A IL 7878586 A IL7878586 A IL 7878586A IL 78785 A IL78785 A IL 78785A
Authority
IL
Israel
Prior art keywords
helicopters
determining
low speed
speed ranges
horizontal airspeed
Prior art date
Application number
IL78785A
Other languages
English (en)
Other versions
IL78785A0 (en
Original Assignee
Litef Litton Tech Werke
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Litef Litton Tech Werke filed Critical Litef Litton Tech Werke
Publication of IL78785A0 publication Critical patent/IL78785A0/xx
Publication of IL78785A publication Critical patent/IL78785A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)
IL78785A 1985-06-11 1986-05-15 Method for determining the horizontal airspeed of helicopters in low speed ranges IL78785A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85107190A EP0204856B1 (fr) 1985-06-11 1985-06-11 Procédé pour la détermination de la vitesse horizontale propre d'un hélicoptère dans le domaine des basses vitesses

Publications (2)

Publication Number Publication Date
IL78785A0 IL78785A0 (en) 1986-08-31
IL78785A true IL78785A (en) 1990-07-12

Family

ID=8193560

Family Applications (1)

Application Number Title Priority Date Filing Date
IL78785A IL78785A (en) 1985-06-11 1986-05-15 Method for determining the horizontal airspeed of helicopters in low speed ranges

Country Status (4)

Country Link
US (1) US4702106A (fr)
EP (1) EP0204856B1 (fr)
DE (1) DE3561768D1 (fr)
IL (1) IL78785A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE60951T1 (de) * 1986-06-02 1991-03-15 Litef Gmbh Verfahren zur bestimmung der horizontaleigengeschwindigkeit von hubschraubern in hoeheren geschwindigkeitsbereichen.
EP0249848B1 (fr) * 1986-06-14 1990-02-28 Deutsches Zentrum für Luft- und Raumfahrt e.V. Système de détermination de la vitesse de vol des hélicoptères
FR2610411B1 (fr) * 1987-02-04 1989-06-09 Sfim Procede et dispositif de mesure de la vitesse par rapport a l'air d'un helicoptere a basse vitesse
FR2611040B1 (fr) * 1987-02-12 1989-06-30 Sfim Systeme autonome de mesure cinematique pour helicoptere
FR2648233B1 (fr) * 1989-06-07 1991-10-04 Crouzet Sa Procede et dispositif de la determination de la vitesse par rapport a l'air d'un helicoptere
FR2714883B1 (fr) * 1994-01-12 1996-03-29 Bernard Durand Pilote automatique pour hélicoptères à objectif vitesse-air.
US5751609A (en) * 1996-10-24 1998-05-12 The United States Of America As Represented By The Secretary Of The Navy Neural network based method for estimating helicopter low airspeed
US5901272A (en) * 1996-10-24 1999-05-04 The United States Of America As Represented By The Secretary Of The Navy Neural network based helicopter low airspeed indicator
US5987397A (en) * 1998-03-13 1999-11-16 The United States Of America As Represented By The Secretary Of The Navy Neural network system for estimation of helicopter gross weight and center of gravity location
US7127335B2 (en) * 2003-03-25 2006-10-24 Rosemount Aerospace Inc. Low airspeed assist algorithm for air data computer applications
US7984146B2 (en) * 2006-05-04 2011-07-19 Sikorsky Aircraft Corporation Aircraft health and usage monitoring system with comparative fleet statistics
US20090083050A1 (en) * 2007-09-25 2009-03-26 Eltman Joseph T Compilation and distribution of data for aircraft fleet management
US7983809B2 (en) * 2007-12-21 2011-07-19 Sikorsky Aircraft Corporation Aircraft integrated support system (ISS)
US9506945B2 (en) 2014-06-10 2016-11-29 Sikorsky Aircraft Corporation Rotorcraft flight parameter estimation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1181669A (en) * 1966-07-21 1970-02-18 Elliott Brothers London Ltd Improvements relating to Air Responsive Apparatus
FR2282644A1 (fr) * 1974-08-22 1976-03-19 France Etat Dispositif pour mesurer la vitesse d'un helicoptere
GB2037688B (en) * 1978-12-01 1983-01-06 Westland Aircraft Ltd Helicopter airspeed indicating system
US4300200A (en) * 1978-12-01 1981-11-10 Westland Aircraft Limited Helicopter airspeed indicating system
EP0094778A1 (fr) * 1982-05-19 1983-11-23 WESTLAND plc Indicateur de vitesse par rapport a l'air à bord d'un hélicoptère

Also Published As

Publication number Publication date
EP0204856A1 (fr) 1986-12-17
IL78785A0 (en) 1986-08-31
DE3561768D1 (en) 1988-04-07
EP0204856B1 (fr) 1988-03-02
US4702106A (en) 1987-10-27

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