| 11. | Horn balanced ailerons were fitted to both upper and lower wings.
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| 12. | The latter carried ailerons over the whole of its trailing edges.
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| 13. | Mass balanced ailerons filled more than half of the trailing edge.
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| 14. | Full span ailerons were fitted to both upper and lower wings.
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| 15. | The slotted ailerons could be drooped together to function as flaps.
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| 16. | The short span ailerons extend to the squared-off tips.
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| 17. | There were externally interconnected ailerons on both upper and lower wings.
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| 18. | The ailerons and dive brakes automatically hook up on aircraft assembly.
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| 19. | Ailerons and mono wheel under the wing and a small tailwheel.
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| 20. | The ailerons are gapless and split into pairs on either side.
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