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Rotors
2906, 2907 and 2908 form a cardan joint that allows
movement of a rotor's pitch. They are covered under US patent 5,360,364. |
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| 2906 | Rotor, 4 prong Technic Rotor 4 Blade 7 Diameter LD, PR 1991-present. US patent 5,360,364. |
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| 2908 | Gyro ring w/ 4 ball joints Technic Helicopter Rotor Holder LD, PR 1990-present. US patent 5,360,364. |
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| 2907 | Gyro ball, 8t Technic Ball with Grooves LD, PR 1990-present. US patent 5,360,364. |
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