Searches , social queries for LONGITUDINAL STABILITY
Search references for LONGITUDINAL STABILITY. Phrases containing LONGITUDINAL STABILITY
See searches and references containing LONGITUDINAL STABILITY!
Search references for LONGITUDINAL STABILITY. Phrases containing LONGITUDINAL STABILITY
See searches and references containing LONGITUDINAL STABILITY!LONGITUDINAL STABILITY
Stability of an aircraft in the pitching plane
In flight dynamics, longitudinal stability is the stability of an aircraft in the longitudinal, or pitching, plane. This characteristic is important in
Longitudinal_stability
Science of air vehicle orientation and control in three dimensions
aircraft stability: speed stability, stick free static longitudinal stability, static lateral stability, directional stability, oscillatory stability, and
Aircraft_flight_dynamics
Aircraft with low or negative stability
has a neutral stability design which was implemented to save fuel. To ensure stability for safe flight, an LSAS (Longitudinal Stability Augmentation System)
Relaxed_stability
Aircraft whose only horizontal aerodynamic surface is its main wing
requiring a more powerful engine, especially at high speeds. If longitudinal (pitch) stability and control can be achieved by some other method (see below)
Tailless_aircraft
Topics referred to by the same term
including longitudinal stability Nyquist stability criterion, defining the limits of stability for pole-zero analysis in control systems Relaxed stability, the
Stability
Aircraft component
or more movable control surfaces, that provides longitudinal (pitch) and/or directional (yaw) stability and control. A stabilizer can feature a fixed or
Stabilizer_(aeronautics)
1921 book by Carl Gustav Jung
biological category is supported by the work of Jerome Kagan, whose longitudinal studies on infants showed that "high-reactive" temperaments (precursors
Psychological_Types
Topics referred to by the same term
the static stability and controllability of aircraft and missiles. Longitudinal stability — the stability of an aircraft in the longitudinal, or pitching
Static_stability
Fully movable aircraft stabilizer
of both the fixed stabilizer and the movable elevator, providing longitudinal stability, pitch control, and appropriate stick force. Apart from reduced
Stabilator
Type of particle accelerator
and keeping them synchronized with the accelerating RF field cycle (longitudinal focusing). The in-plane or "vertical" focusing is typically achieved
Cyclotron
Small lifting surface of a fixed-wing aircraft
make the aircraft longitudinally stable (in much the same way a weather vane always points into the wind). The longitudinal stability of an aircraft may
Tailplane
Aircraft flight measures
gravity for static stability. x c p {\displaystyle x_{cp}} is the static margin and must be negative for longitudinal static stability. Alternatively, positive
Stability_derivatives
Engineering discipline of marine vessels
axis Longitudinal stability for longitudinal inclinations, the stability depends upon the distance between the center of gravity and the longitudinal meta-center
Naval_architecture
Downwards lift force created by the aerodynamic characteristics of a vehicle
purpose of the downforce on the horizontal stabilizer is to maintain longitudinal stability and allow the pilot to control the aircraft in pitch. The same principle
Downforce
Helicopter with two horizontal rotor assemblies
tandem rotor system are a larger center of gravity range and good longitudinal stability. Disadvantages of the tandem rotor system are a complex transmission
Tandem-rotor_aircraft
stabilizer. The tailplane is mainly a trimmer, rather than for longitudinal stability. During development it was found that carbon rods formed by the
LAK_Genesis_2
Component of aerodynamic drag on aircraft
changes in pitching moment and centre of gravity during flight. For longitudinal stability in pitch and in speed, aircraft are designed in such a way that
Trim_drag
Point over which the aircraft would balance
problems can occur. The fore-aft CG affects the longitudinal stability of the aircraft, with the stability increasing as the CG moves forward and decreasing
Center of gravity of an aircraft
Center_of_gravity_of_an_aircraft
Soviet medium-range airliner with 4 turboprop engines, 1957
the rear fuselage. The directional stability was better and the new ventral fins also improved longitudinal stability at high g and on landing approach
Antonov_An-10
Aerodynamic effect
1991. ISBN 0-9629359-5-6. Axelson, John (September 4, 1947). "Longitudinal Stability and Control of High-Speed Airplanes with Particular Reference to
Mach_tuck
Argentine cancelled jet fighter project
wing with low weight offers; the trans-sonic/subsonic turn rate, longitudinal stability and short field characteristics desired were impossible to combine
FMA_SAIA_90
side of the vertical stabilizer. Relaxed stability Car handling Flight dynamics Dutch roll Longitudinal stability Hunting oscillation "Pilot's Handbook of
Directional_stability
Distance one wing is positioned in front of another in a multiwing aircraft
allows better visibility for the crew as well as increased aircraft longitudinal stability, aerodynamic efficiency and maximum lift. Decalage Wragg, David
Stagger_(aeronautics)
Measurement of the initial static stability of a floating body
of gyration about the longitudinal axis through the centre of gravity and G M ¯ {\displaystyle {\overline {GM}}} is the stability index. If a ship floods
Metacentric_height
Family of utility helicopters
varying loading conditions without requiring ballast to maintain longitudinal stability as with prior Sikorsky designs. This layout gave the H-19 series
Sikorsky_H-19_Chickasaw
Soviet ground-attack aircraft prototype
torque, coupled with the short rear fuselage, resulted in poor longitudinal stability characteristics. To correct the problem the second prototype had
Ilyushin_Il-16
Point at which the resultant force of a pressure field acts on a body
aerodynamic center plays an important role in analysis of the longitudinal static stability of all flying machines. It is desirable that when the pitch
Center of pressure (fluid mechanics)
Center_of_pressure_(fluid_mechanics)
Computerized safety automotive technology
Electronic stability control (ESC), also referred to as electronic stability program (ESP) or dynamic stability control (DSC), is a computerized technology
Electronic_stability_control
Ship response to disturbance from an upright condition
compartments they separate from undamaged ones. Longitudinal bulkheads have a similar purpose, but damaged stability effects must be taken into account to eliminate
Ship_stability
Experimental turboprop aircraft
it developed an unhappy practice of 'snaking', apparently losing longitudinal stability". Hendrix also told the formidable Republic project engineer, "You
Republic XF-84H Thunderscreech
Republic_XF-84H_Thunderscreech
Lifting body prototype
realized the M2-F2 had lateral control problems, even though it had a stability augmentation control system. When the M2-F2 was rebuilt at Dryden and
Northrop_M2-F2
empennage (tail assembly). This configuration affects the aircraft's longitudinal stability and control characteristics. In a short-coupled aircraft, the reduced
Short-coupled_aircraft
French carrier-based strike fighter designed by Sud-Ouest in the late 1940s
engines. The aircraft proved to be slow, lacking in lateral and longitudinal stability and unsuitable for carrier operations; it did not enter production
SNCASO_SO.8000_Narval
Lower centreline structural element of a ship or boat hull
The keel is the bottom-most longitudinal structural element of a watercraft, important for stability. On some sailboats, it may have a hydrodynamic and
Keel
Experimental fighter aircraft
(580 mph) at sea level, but flight testing revealed that it lacked longitudinal stability at high speeds. Modifications of the wing/nacelle fillets and lengthening
Sukhoi_Su-9_(1946)
American light aircraft
on the elevator along with a centering spring system to increase longitudinal stability and stall strips to improve handling during a stall. The company
Grumman_American_AA-1
Type of aircraft
extremity of the fin with eight degrees of dihedral to improve longitudinal stability, and a large carrot-like fairing at the fin/tailplane junction.
OKB-1_150
British medium-range airliner with 4 turboprop engines, 1959
which kept it clear of the jet efflux from the engines and aided longitudinal stability. However, acceptable stalling behaviour only came after an extensive
Vickers_Vanguard
American psychologist (1943–2023)
AAI. In other studies however, no longitudinal association has been found. The evidence on the longitudinal stability of attachment security is therefore
Mary_Main
Recovering a ship or cargo after a maritime casualty
to the inverted position. Transverse and longitudinal stability must be calculated to ensure floating stability. An upside-down ship is usually adequately
Marine_salvage
Science behind the motion of bicycles and motorcycles
with braking and accelerating. For details, see the section on longitudinal stability below. The horizontal components, due to friction between the wheels
Bicycle and motorcycle dynamics
Bicycle_and_motorcycle_dynamics
Wide body airliners developed from the DC-10
MD-11 had a neutral stability design and one of the first commercial designs to employ a computer-assisted pitch/longitudinal stability augmentation system
McDonnell_Douglas_MD-11
Abrupt reduction in lift due to flow separation
"A Systematic Study of the Factors Contributing to Post-Stall Longitudinal Stability of T-Tail Transport Configurations" (PDF). NASA Langley Research
Stall_(fluid_dynamics)
Small hydrofoil watercraft
water, connected to a smaller foil at the bow used for steering and longitudinal stability. Riders operate the vehicle by bouncing up and down on a small platform
Human-powered_hydrofoil
Soviet strike fighter aircraft
Control Configured Vehicle A Su-7U modified with canards and a longitudinal stability augmentation system. It was designed as a testbed for a fly-by-wire
Sukhoi_Su-7
American experimental jet aircraft
Base), the X-4's semi-tailless configuration exhibited inherent longitudinal stability problems (porpoising) as it approached the speed of sound. It was
Northrop_X-4_Bantam
Triangle shaped aircraft wing configuration
Depending on its design, a canard surface may increase or decrease longitudinal stability of the aircraft. A canard delta foreplane creates its own trailing
Delta_wing
Prototype fighter aircraft for the US military
twin vertical stabilizers, canted at 45°, resulting in a "relaxed longitudinal stability" design, which enhances maneuverability. Northrop was not yet confident
Northrop_YF-17
1979 aviation incident in the Soviet Union
was still in cloud cover. This resulted in a reduce of aircraft longitudinal stability. Near the airport, at an altitude of 300 metres (980 ft) at an airspeed
Aeroflot_Flight_7502
; McIntyre, Nancy S.; Zajic, Matthew; Mundy, Peter C. (2019). "Longitudinal stability of reading profiles in individuals with higher functioning autism"
Reading_and_autism
Single-aisle airliner family
Atlantic City, New Jersey. AIAA-1981-0808. Patent US4676460A: Longitudinal stability augmentation system and method When was the Speed Trim System implemented
Boeing_737_Classic
Experimental aircraft to test sustained supersonic flight
of research flights with the X-3. The initial flights looked at longitudinal stability and control, wing and tail loads, and pressure distribution. NACA
Douglas_X-3_Stiletto
Soviet single-seat WWII fighter aircraft
included: The engine was moved forward 100 mm (4 in) to improve longitudinal stability. A new water radiator (OP-310) was fitted The first two modifications
Mikoyan-Gurevich_MiG-3
Early type of bicycle
in front of the United States Capitol in 1885 to demonstrate its longitudinal stability, and Star bicycles were used for the sport of bicycle polo in the
American_Star_Bicycle
Special vehicle to fly in air just above sea or ground
two major problems that the Soviet ekranoplans faced were poor longitudinal stability and a need for reliable navigation. Minister Ustinov died in 1984
Ground-effect_vehicle
Variant of the Bermuda sailboat rig
boat. Conventional shrouds thereby contribute to both lateral and longitudinal stability, unlike rigs with unswept spreaders. A B&R rig can be a masthead
B&R_rig
Aircraft propelled by three jet engines
Consequently, abnormally large stabilizers are required to maintain longitudinal stability, seen on the McDonnell Douglas DC-10 and Lockheed L-1011, resulting
Trijet
Former Soviet airliner
Tu-104. Later accidents showed that the Tu-104 was prone to losing longitudinal stability when flying in certain atmospheric conditions. 17 October 1958 An
Tupolev_Tu-104
1967 Swedish fighter aircraft family
had the shape of a double delta with a dogtooth added to improve longitudinal stability at high incidence angles.[page needed] A consequence of a tailless
Saab_37_Viggen
1953 fighter aircraft family
operational fit of four external tanks was lacking in directional and longitudinal stability, requiring careful handling and close attention to speed limitations
North American F-100 Super Sabre
North_American_F-100_Super_Sabre
American World War II-era jet and piston-engined fighter aircraft
longitudinal stability because the center of gravity had been miscalculated. In addition, the circular rear fuselage of the FR-1 gave less stability than
Ryan_FR_Fireball
2009 aircraft accident in Japan
controllability and maneuver characteristics by improving the LSAS (Longitudinal Stability Augmentation System) functions, reducing the AGS (Auto Ground Spoilers)
FedEx_Express_Flight_80
pneumatic lines and hoses. A plan to increase the turn-rate and longitudinal stability of the Kurnass/Terminator derivatives through the installation of
List of McDonnell Douglas F-4 Phantom II variants
List_of_McDonnell_Douglas_F-4_Phantom_II_variants
1940 fighter aircraft model by Mikoyan-Gurevich
in the canopy obscuring the pilot's view, heavy controls, poor longitudinal stability, difficulty in opening the canopy, an excessively hot cockpit and
Mikoyan-Gurevich_MiG-1
Angle between each wing or tail surface within a pair
aircraft's Dutch roll oscillation and to maneuverability about the roll axis. Longitudinal dihedral is a comparatively obscure term related to the pitch axis of
Dihedral_(aeronautics)
British carrier-based fighter-bomber
while K5179, the second prototype, had a lengthened nose to improve longitudinal stability. Skua Mk.II Production aircraft powered by the sleeve valve Bristol
Blackburn_Skua
Collection of key measurements that define a particular bike configuration
position of the center of mass of the combined bike and rider, on the longitudinal stability of a bike: a short wheelbase and high center of mass increase the
Bicycle and motorcycle geometry
Bicycle_and_motorcycle_geometry
aircraft part (EASA) Introduced in RMP for technical records LSAS longitudinal stability augmentation system LTC line training captain LTE Loss of Tail Rotor
List of aviation, avionics, aerospace and aeronautical abbreviations
List_of_aviation,_avionics,_aerospace_and_aeronautical_abbreviations
Single-engine, low-wing tandem-seat turboprop military training aircraft
standard model. It has an enlarged dorsal fin in order to improve longitudinal stability, modified wingroot fairings, stall strips on the leading edges as
Pilatus_PC-9
American aeronautical engineer (1908–1996)
aspect ratio, NACA TN-539. C. H. Zimmerman (1936) An analysis of longitudinal stability in power-off flight with charts for use in design, NACA TN-521.
Charles_H._Zimmerman
WWII German jet night fighter project
angle of incidence provided longitudinal stability and, in conjunction with the anhedral, contributed to directional stability. Small vertical fins added
Blohm_&_Voss_P_215
British flying boat with 4 piston engines, 1944
revealed problems with the harmonisation of controls and marginal longitudinal stability. Before the trials were complete, the aircraft burnt out at its
Short_Shetland
Prototype fighter aircraft
was adequate, and control was effective at all speeds with good longitudinal stability. However, a tendency to dutch roll was prevalent. The prototype
McDonnell_XP-67
World War II German medium bomber
the second test flight Nitschke revealed there was insufficient longitudinal stability during climb and flight at full power and the aileron controls required
Heinkel_He_111
US Navy carrier-based jet fighter
prototype only five days later. Initial issues with directional and longitudinal stability were encountered, but were quickly rectified. During one early land-based
Grumman_F9F_Panther
Light boat that is paddled
have more longitudinal curvature (rocker); they typically have less transverse primary and secondary stability but more longitudinal stability because the
Surf_ski
Aircraft
the cruciform empennage they were intended to contribute to the longitudinal stability of the machine." "Perfectionnements aux appareils d'aviation et
Coandă-1910
German fighter-bomber
however, it was a troubled programme. Flight testing revealed poor longitudinal stability and, despite modifications, was considered to be unsatisfactory
Messerschmitt_Me_410_Hornisse
four hours after the beginning of the fire the boat suddenly lost longitudinal stability, took on a steep down-bubble, and sank. Of the 35 men on the boat's
Soviet_submarine_M-256
Soviet jet fighter prototype
before it was ready for production, the aircraft had problems with longitudinal stability, excessive stick forces from the ailerons and elevators, and the
Lavochkin_La-152
Describes the general shape and layout of an aircraft wing
provide significant lift. An example is the Rutan Quickie. To provide longitudinal stability, the wings must differ in aerodynamic characteristics: typically
Wing_configuration
Mental disorder involving eccentricity and social isolation in afflicted individuals
Raine A, Young-Wolff K, Baker LA (July 2011). "Heritability and longitudinal stability of schizotypal traits during adolescence". Behavior Genetics. 41
Schizotypal personality disorder
Schizotypal_personality_disorder
Italian medium bomber
the added weight of the third engine). The Z.1007 also suffered longitudinal stability problems that were partly rectified later by the adoption of a twin
CANT_Z.1007_Alcione
1942 World War II attack by Japan
torpedo for several minutes as the midget submarines would lose longitudinal stability immediately after firing a torpedo. Historians are divided as to
Attack_on_Sydney_Harbour
1973 aviation accident over the Pacific Ocean
controls before the onset of the pitch-up; there were no known longitudinal stability problems inherent to the basic design of the Boeing 707, since other
TWA_Flight_742
British jet-powered delta wing strategic bomber
doubled the weight requirement. Realising that swept wings increase longitudinal stability, the team deleted the tail (empennage) and the supporting fuselage
Avro_Vulcan
American aviation pioneers, inventors of the airplane
at Kitty Hawk. The first flights in 1904 revealed problems with longitudinal stability, solved by adding ballast and lengthening the supports for the elevator
Wright_brothers
Emotions, and thoughts, about emotion
these variables also impacted a couple's marriage, reviewing the longitudinal stability of the participants' marriage and how the couples resolved their
Meta-emotion
Articulated vehicle used in public transportation
is powered by a rear-mounted internal combustion engine, and the longitudinal stability of the vehicle is maintained by active hydraulics mounted under
Articulated_bus
Changes in sexuality or sexual identity
The results of a large-scale, longitudinal study by Savin-Williams, Joyner, and Rieger (2012) indicated that stability of sexual orientation identity
Sexual_fluidity
Directional stability tests. Glide flight. XS-1 #7 February 25, 1946 Jack Woolams 46-062 Bell 7 #1 ? ? Pinecastle AAF Base, FL. Longitudinal stability tests
List_of_X-1_flights
German research aircraft, 1948
at certain angles of attack. This phenomenon involved a loss of longitudinal stability of the airframe. After the wind tunnel tests, two wing fences were
DFS_346
Romanian army officer
among those used at Chitila Piloting School, and reportedly had a longitudinal stability problem, and in addition the engine was under-performing on the
Gheorghe_Caranda
British carrier-based fighter aircraft
on the trailing edges of the elevators. These changes improved longitudinal stability, especially when the aircraft was fully loaded. The modified windscreen
Supermarine_Seafire
successfully, however, the airplane showed signs of inadequate longitudinal stability. The first flight of the prototype, designated ST-1, was at Selfridge
Stout_ST
Griffon-powered variants of the Supermarine Spitfire
have to correct its directional characteristics and probably its longitudinal stability also, both of which in due time we achieved. Indeed, DP845 eventually
Supermarine Spitfire (Griffon-powered variants)
Supermarine_Spitfire_(Griffon-powered_variants)
British aircraft designer (1908 – 1968)
the problems with the early marks of Spitfire was variability of longitudinal stability, leading to aircraft getting dangerously out of control and contributing
W._E._W._Petter
American 1981 prototype aircraft
and to stall and spin resistance, and it was found to have poor longitudinal stability at high angles of attack. The wing was modified, with extensions
OMAC_Laser_300
Prototype Soviet aircraft
revealed a number of problems including poor handling, insufficient longitudinal stability and significant changes in trim as engine power was changed. Other
Yakovlev_Yak-200
Plane wing that angles backwards or forwards
nacelles also had slight sweepback for similar reasons. to provide longitudinal stability for tailless aircraft, e.g. Messerschmitt Me 163 Komet. most commonly
Swept_wing
travel, tourism, insurance
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
LONGITUDINAL STABILITY
travel, tourism, insurance