| 11. | Its span wing is built with a carbon epoxy spoilers for roll control.
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| 12. | The outer flaps acted as slotted ailerons for roll control.
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| 13. | The control system is unusual in that roll control is by cable-actuated wing warping.
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| 14. | Roll control was provided by differential pitching of the blades.
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| 15. | Roll control is provided by the fourth stage reaction control system ( RCS ).
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| 16. | The actual turn the change in direction was done with roll control using wing-warping.
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| 17. | The very first Pelicans had wire-bracing for the wing and spoilers for roll control.
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| 18. | It featured all moving wing tips for roll control and an all moving vertical tail.
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| 19. | It also used on the Delta II first stage, but mainly for vehicle roll control.
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| 20. | Part span flaps are provided at the trailing edge of the wings for roll control.
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