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On low drag aircraft such as sailplanes, spoilers are used to disrupt airflow over the wing and greatly reduce lift. This allows a glider pilot to lose altitude without gaining excessive airspeed. Spoilers are sometimes called "lift dumpers". Spoilers that can be used asymmetrically are called spoilerons and can affect an aircraft's roll.
Spoiler controls can be used for roll control (outboard or mid-span spoilers) or descent control (inboard spoilers). Some aircraft use spoilers in combination with or in lieu of ailerons for roll control, primarily to reduce adverse yaw when rudder input is limited by higher speeds. For such spoilers the term spoileron has been coined. In the ...
The Schweizer SGS 2-33 is an American two-seat, high-wing, strut-braced, training glider that was built by Schweizer Aircraft of Elmira, New York. [1] [2] [3] The 2-33 was designed to replace the Schweizer 2-22, from which it was derived. The aircraft first flew in 1965 and production was started in 1967. Production was completed in 1981. [1 ...
Spoilerons roll an aircraft by reducing the lift of the downward-going wing.Unlike ailerons, spoilers do not increase the lift and drag of the upward-going wing. A raised spoileron increases the drag on the down-going wing where it is deployed, causing the aircraft to yaw in the direction of the turn.
After gliding for five minutes, one shut-down engine was successfully restarted. Aircraft made emergency landing at Miami International Airport; the sole running engine could not generate enough thrust to taxi aircraft to gate. 0: 172 23 July 1983 Air Canada Flight 143 ("Gimli Glider") Boeing 767-233 Gimli, Manitoba, Canada
The new two-place was intended to be a complement to the single-place training glider then in production, the SGU 1-19. [1] [2] The SGU 2-22, indicating Schweizer Glider, Utility, 2 Seats, Model 22, was designed by Ernest Schweizer. The aircraft was based on the SGU 1-7 single place glider of 1937. It used the 1-7's metal wing, single spar and ...
This system, introduced to expedite rigging, [1] was found unsatisfactory and was abandoned in favour of spoilers. The second prototype, the V-1, initially had a two-wheel undercarriage, later altered by the replacement of the front wheel by an extended noseskid (V-1a). The V-2 and V-3 introduced the rear bench seat. [3]
Many aircraft have wing flaps, controlled by a switch or a mechanical lever or in some cases are fully automatic by computer control, which alter the shape of the wing for improved control at the slower speeds used for take-off and landing. Other secondary flight control systems may include slats, spoilers, air brakes and variable-sweep wings.