Restoring (or Righting) Moment: That moment tending to restore an aeroplane to its original position after any disturbing movement.
Reversal: A change of more than 90° in direction between the surface wind and the wind in the upper area.
Lillienthal had tried to do this by swinging his legs toward the high sideo _ the shifted weight restoring the position.
Cole Palen began purchasing and restoring World War I airplane in 1951. In 1956 he started flying the SPAD XIII, a WWI airplane.
A lot of folks are still flying and restoring Aeroncas. Organizations like the National Aeronca Association and the Fearless Aeronca Aviators try very hard to keep it that way.
It is the longitudinal dihedral, combined with the horizontal stabiliser area and moment arm, which provides the restoring moment to return aoa to the trimmed state.
This trim-restoring procedure--3qu + 3sd--is the procedure you'll always use for en route situations after SLEWing to the prescribed compass heading. Now, when you're ready, put on full power for the takeoff roll. Use no elevator.
(3) Rectifying the impact by repairing, rehabilitating, or restoring the affected environment.
(4) Reducing or eliminating the impact over time by preservation and maintenance operations during the life of the action.
Ron started restoring antique airplanes in the early 1970's and could not find parts so he founded the Alexander Aeroplane Company which he operated for 17 years.
maintenance - Those actions required for restoring or maintaining an item in serviceable condition, including servicing, repair, modification, overhaul, inspection and determination of condition.
the low wing presents its leading edge at an angle more perpendicular to the
relative airflow. As a result, the low wing acquires more lift and rises, restoring
the aircraft to its original flight attitude.
At the same time Angle of sideslip is building up, like a weathervane, the vertical fin is trying to turn the nose back into the wind. No sideslip, no restoring rolling moment.
In 1956 the wreck was salvaged and preserved, and in the mid 1980's Greg Herrick took over C-1077 and began restoring it. As of 2006, C-1077 is in flying condition again, restored to its December 1927 appearance.
This is because not only may some main rotor thrust be trying to roll us uphill, but the CG is shifting toward the uphill skid, and thus any restoring force preventing dynamic rollover is being reduced.
A measurement of the ratio (dFs/dn) at a given speed for a range of c.g. positions give the maneuver point as the intersection of the graph of (dFs/dn) vs Xcg with the Xcg axis. This experiment can also be used to determine the restoring tendency ...
 See also: Aviation, Aircraft, Force, Plane, Flight
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