| 11. | More accurate clockwork mechanisms then replaced the airbrake, and the German Compur,
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| 12. | The fighter's airbrakes were fitted either side of the rear fuselage.
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| 13. | The wing was built around two airbrakes were fitted.
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| 14. | The Radlock glider had a wing of rectangular plan built around two airbrakes.
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| 15. | Ailerons and airbrakes were attached to the auxiliary spar.
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| 16. | The straight edged airbrakes on the trailing edges of the outer centre section.
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| 17. | Airbrakes on trains are powered by a compressed air tank aboard each car.
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| 18. | This meant, however, that the airbrake could not be used for landings.
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| 19. | The final touch of brilliance was given with the implementation of an airbrake option.
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| 20. | It had a cruciform tail, trailing edge airbrakes and a retractable main wheel.
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