roll reversal
1Reversal film — A single slide, showing a color transparency in a plastic frame A slide projector, showing the l …
2roll n — I had breakfast in bed. Two rolls and a turnover. role reversal …
3role reversal — When two bakers traded buns they had a roll reversal …
4Control reversal — is an adverse effect on the controllability of aircraft. The flight controls reverse themselves in a way that is not intuitive, so pilots may not be aware of the situation and therefore provide the wrong inputs; in order to roll to the left, for… …
5Thrust reversal — Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine s exhaust or changing of propeller pitch so that the thrust produced is directed forward, rather than aft. This acts against the forward travel of the… …
6Barrel roll — For other uses, see Barrel roll (disambiguation). Barrel roll A barrel roll is an aerial maneuver in which an airplane makes a complete rotation on its longitudinal axis while following a helical path, approximately maintaining its original… …
7Operation Barrel Roll — For other uses, see Barrel roll. Operation Barrel Roll Part of Vietnam War Date 14 December 1964 – 29 March 1973 Location Northeastern …
8Granby roll — The Granby roll is a wrestling reversal named for Granby High School in Norfolk, Virginia, where it was popularized by teacher and hall of fame wrestling coach Billy Martin.A Granby roll is performed from an inferior position, usually when the… …
9Sushi Roll — A candlestick pattern consisting of 10 bars where the first five (inside bars) are confined within a narrow range of highs and lows and the second five (outside bars) engulf the first with both a higher high and lower low. If a sushi roll appears …
10Space Shuttle Columbia disaster — For further information about Columbia s mission and crew, see STS 107. STS 107 mission patch The Space Shuttle Columbia disaster occurred on February 1, 2003, when shortly before it was scheduled to conclude its 28th mission, STS 107, the Space… …