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searching for Pitching moment 46 found (81 total)

Wing fence (611 words) [view diff] exact match in snippet view article find links to article

tends to create a nose-down pitching moment. When the wingtips stall, both the lift and the associated nose-down pitching moment rapidly diminish. The loss

Tailplane (1,664 words) [view diff] exact match in snippet view article find links to article

pitching moment which tends to raise the nose further. With the same disturbance, the presence of a tailplane produces a restoring nose-down pitching

Vortilon (715 words) [view diff] exact match in snippet view article find links to article

introduced with the McDonnell Douglas DC-9 to achieve a strong nose down pitching moment just beyond the normal stall and their influence ceased to have any

Diving plane (719 words) [view diff] exact match in snippet view article find links to article

fore-and-aft from the hull's centre of buoyancy, they introduce a pitching moment. Ballast tanks within the submarine adjust buoyancy to be neutral,

SERN (162 words) [view diff] exact match in snippet view article find links to article

practical problems with the use of SERNs is the fact that they produce a pitching moment depending on the throttling of the engine, thereby requiring more control

Jet damping (286 words) [view diff] exact match in snippet view article find links to article

Cn_{r}} , where C m q {\displaystyle Cm_{q}} is the rate of change of pitching moment with respect to pitch rate and C n r {\displaystyle Cn_{r}} is the

Stabilator (1,108 words) [view diff] exact match in snippet view article find links to article

balanced surface, a stabilator can allow the pilot to generate a given pitching moment with a lower control force. Due to the high forces involved in tail

Mach tuck (1,317 words) [view diff] exact match in snippet view article find links to article

downwash velocity at the tailplane, both of which cause a nose down pitching moment.[citation needed] For a particular aircraft design only one of these

Trim drag (303 words) [view diff] exact match in snippet view article find links to article

trimable horizontal stabilizers, when they are used to offset changes in pitching moment and centre of gravity during flight. For longitudinal stability in

Three-surface aircraft (2,516 words) [view diff] exact match in snippet view article find links to article

sufficiently to cause significant loss of lift and cancel out the nose-down pitching moment. In the three-surface design the third, tail surface does not stall

Power push-over (204 words) [view diff] exact match in snippet view article find links to article

of simply insufficient area will be unable to counter the forward pitching moment. The danger from this action actually emanates from rapidly unloading

General Electric YF120 (2,192 words) [view diff] exact match in snippet view article find links to article

agility by greatly increasing the amount of nose pitching moment available to the aircraft. The pitching moment is traditionally generated by the horizontal

T-tail (1,112 words) [view diff] exact match in snippet view article find links to article

lighter, see Advantages above.) A T-tail produces a strong nose-down pitching moment in sideslip. T-tails can cause aeroelastic flutter, as seen on the

Tundra tire (1,040 words) [view diff] exact match in snippet view article find links to article

restricted the forward visibility on the ground, that there was a nose-down pitching moment when the tires contacted the ground on landing, particularly on a wheel

Aeroflot Flight 141 (3,186 words) [view diff] exact match in snippet view article find links to article

-5.5° to 0°. But in the landing position, the stabilizer created a pitching moment, trying to raise the nose of the aircraft, while compensating for a

NACA airfoil (2,605 words) [view diff] exact match in snippet view article find links to article

series profile to be positively cambered. This results in a theoretical pitching moment of 0. From x c ≤ r {\displaystyle {\frac {x}{c}}\leq r} y c = k 1 6

Atmospheric Reentry Experimental Spaceplane (450 words) [view diff] exact match in snippet view article find links to article

of attack. The results obtained characterized the drag, lift, and pitching moment coefficients as functions of the angle of attack and Reynolds number

Motorcycle testing and measurement (2,756 words) [view diff] exact match in snippet view article find links to article

force at various speeds, wind angles, and rider postures; as well as pitching moment, rolling moment, and yawing moment (see yaw, pitch and roll for descriptions)

Stabilizer (aeronautics) (2,402 words) [view diff] no match in snippet view article

Design, Systems and Operations Meeting: ... - Volume 2 - Page 309, "Pitching-moment results show the stabilising effect of the wing and the destabilizing

Trijet (2,633 words) [view diff] exact match in snippet view article find links to article

than the wing-mounted engines, engine failure will produce a greater pitching moment, making it more difficult to control. The placement of the remaining

Pratt & Whitney F119 (2,393 words) [view diff] exact match in snippet view article find links to article

greatly improving the aircraft's pitch authority by augmenting the pitching moment of the tail with engine thrust; this enables the F-22 to remain controllable

OMAC Laser 300 (967 words) [view diff] exact match in snippet view article find links to article

Stall characteristics were good since the canard provided a nose-down pitching moment. Changes were tested on the second prototype before the design was

Farrar LSG-1 Bird Flight Machine (445 words) [view diff] exact match in snippet view article find links to article

helicopter use. This airfoil section was chosen because it has zero pitching moment, which thus allows moderate torsional loads despite the resulting glider's

Dynamic stall on helicopter rotors (2,720 words) [view diff] exact match in snippet view article find links to article

over the upper surface, and also noteworthy increases in nose-down pitching moment (moment break, moment stall) while it moves downstream across the chord

Akaflieg Darmstadt D-17 Darmstadt (924 words) [view diff] exact match in snippet view article find links to article

in place of the strongly cambered Göttingen 535, so decreasing the pitching moment; over the outer panels the thickness/chord ratio reduced continuously

Hall Vector 1 (941 words) [view diff] exact match in snippet view article find links to article

proportion of gross weight that is made up by the pilot weight and the high pitching moment of the Wortmann FX-MS-150-B airfoil led to the center of gravity of

Stability derivatives (3,324 words) [view diff] exact match in snippet view article find links to article

context (such as a subscript). M is used to indicate the name of the "pitching moment", which is around the Y axis. N is used to indicate the name of the

Rotary Air Force RAF 2000 (929 words) [view diff] exact match in snippet view article find links to article

of gravity. This results in a power application causing a nose-down pitching moment and increases the risk of tail to main rotor contact. The RAF 2000

Canard (aeronautics) (4,093 words) [view diff] exact match in snippet view article

centre of gravity than a conventional wing, increasing the downward pitching moment caused by the deflection of its trailing-edge flaps. Pitch control

Grumman Gulfstream II (3,026 words) [view diff] exact match in snippet view article find links to article

Configuration buildup studies revealed the adverse nacelle influence on tail pitching moment contribution above 30 degrees angle of attack was not unduly severe

Atmospheric entry (13,444 words) [view diff] exact match in snippet view article find links to article

heat shield designer must use a real gas model. An entry vehicle's pitching moment can be significantly influenced by real-gas effects. Both the Apollo

Pitch-up (2,307 words) [view diff] exact match in snippet view article find links to article

magnitude of the forces change with angle of attack. In addition a varying pitching moment exists for any force location other than the CoP. These changes lead

Steady flight (1,437 words) [view diff] exact match in snippet view article find links to article

body frame leads to a balance of moments, as well. Most notably, the pitching moment being zero puts a constraint on the longitudinal motion of the aircraft

Cruciform wing (1,162 words) [view diff] exact match in snippet view article find links to article

bi-directional flying wing. Farmer (1956) Spreiter (1950): "The lift and pitching moment are independent of the angle of yaw, and the side force and yawing

Stall (fluid dynamics) (7,294 words) [view diff] exact match in snippet view article

{\textstyle \alpha } , for a given aircraft configuration, where there is no pitching moment, i.e. a trim point. Typical values both for the range of deep stall

Ames Research Center (5,053 words) [view diff] exact match in snippet view article find links to article

lift, drag, static and dynamic stability, flow characteristics, and pitching moment coefficients. For very high Mach number (M > 25) simulations, models

Miller twist rule (1,057 words) [view diff] exact match in snippet view article find links to article

= polar moment of inertia C M α {\displaystyle C_{M_{\alpha }}} = pitching moment coefficient a = angle of attack t = transverse moment of inertia d

Dorothy McFadden Hoover (894 words) [view diff] exact match in snippet view article find links to article

Committee for Aeronautics Technical Note 2315: Supersonic lift and pitching moment of thin sweptback tapered wings produced by constant vertical acceleration

Bernoulli's principle (10,140 words) [view diff] exact match in snippet view article find links to article

Bernoulli's Theorem. The distribution of pressure determines the lift, pitching moment and form drag of the airfoil, and the position of its centre of pressure

Mignet Pou-du-Ciel (2,507 words) [view diff] exact match in snippet view article find links to article

the angle of attack of the front wing fell below −15° insufficient pitching moment was generated to raise the nose. Changes to the airfoil section and

Piaggio P.180 Avanti (5,559 words) [view diff] exact match in snippet view article find links to article

tail. At high angles of attack these delta fins provide a nose-down pitching moment and help to avoid a potential stall, and they increase stability in

Electra EL-2 Goldfinch (483 words) [view diff] exact match in snippet view article find links to article

off at 30–35 kn (56–65 km/h), it has a blown-lift wing, generating a pitching moment balanced by a large T-tail. It has a modified Cessna 172 wing, and

Aeroprediction (2,659 words) [view diff] case mismatch in snippet view article find links to article

"New Methods for Predicting Nonlinear Lift, Center of Pressure, and Pitching Moment on Missile Configurations", NSWCDD/TR-92/217, Jul1992 (written with

External ballistics (13,571 words) [view diff] exact match in snippet view article find links to article

(transonic)). The aerodynamic coefficients that govern dynamic stability: pitching moment, Magnus moment and the sum of the pitch and angle of attack dynamic

Aeroflot Flight 6515 (1,102 words) [view diff] exact match in snippet view article find links to article

began a deep spiral descent, with its forward speed increasing. A pitching moment occurred, causing the crew to pull the control yokes fully back, which

Glidden Doman (3,423 words) [view diff] exact match in snippet view article find links to article

patent 2,716,889 – Method of determining and adjusting the aerodynamic pitching moment of a full-sized aerodynamic member and apparatus therefor (filed on