| 11. | Although capable of the car has rear wheel braking only.
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| 12. | Accumulators on the wheel brakes performed as backups to the hydraulics, providing minimal braking.
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| 13. | These systems rely on selective wheel braking, which depends in turn on road contact.
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| 14. | Drogue parachutes were used in addition to conventional wheel brakes.
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| 15. | But his rear wheel brakes appeared to jam during the climb and he slipped back.
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| 16. | The flaps, landing gear, wheel brakes and air brakes are powered by a hydraulic system.
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| 17. | The cars were delivered with wide low-pressure " Balloon " tyres, and four wheel brakes.
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| 18. | Four-wheel brakes with mechanical servo were introduced in 1925.
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| 19. | By 1926, the engine remained unchanged, and the cars were now equipped with four-wheel brakes.
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| 20. | It was the first Audi with four-wheel brakes.
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