RC toys,RC models,RC helicopters terminology ：
Remote Control Helicopter :
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Gyro
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Motor Helicopter Spare Part Set ：
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Blade Holder Set ：
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Tail Rotor Blade ：
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Landing Skid Set ：
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Cabin Set：
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Main Frame Set：
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Pin Balance Bar Set：
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Lower Blade Grip Set：
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Balance Bar：
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Flybar for Helicopter：
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Inner Shaft：
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Rotor Blade：
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Gears：
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The above information and picture derived from www.airaccent.com
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