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2. Radio-controlled helicopter - Wikipedia

   en.wikipedia.org/wiki/Radio-controlled_helicopter

   Learning to fly a collective pitch RC helicopter takes time and practice. Many modelers join a club so they can be instructed by experienced RC pilots, or follow on-line guides. [12] RC Helicopters usually have at least four controls: roll - cyclic pitch, elevator (fore-aft cyclic pitch), rudder (yaw) and pitch/throttle (collective pitch/power ...

3. Spektrum RC - Wikipedia

   en.wikipedia.org/wiki/Spektrum_RC

   Spektrum is a brand of radio control systems designed for use with hobby radio-controlled cars and aircraft. Spektrum is a division of Horizon Hobby. The R/C hobby in the United States, Japan, and Europe typically used to employ FM radio control in HF and VHF bands such as 27 MHz, 35 MHz, 49 MHz, and 72 MHz.

4. Battery eliminator circuit - Wikipedia

   en.wikipedia.org/wiki/Battery_eliminator_circuit

   BEC allows such a model to carry only one battery (the motive power battery) instead of two (motive power, and a separate battery to operate the RC equipment). A BEC-equipped ESC meant for airplane use often incorporates a low-voltage-cutoff (LVC) circuit which can sense the voltage drop caused when the battery has little charge left.

5. Hirobo - Wikipedia

   en.wikipedia.org/wiki/Hirobo

   Hirobo Electric Corporation (ヒロボー株式会社, Hirobō kabushiki-gaisha) is a Japanese RC model company best known for their line of high-quality radio controlled helicopter models, both glow fuel powered (also referred to as nitro powered) and more recently, electric powered.

6. Are Helicopters Safe? Everything You Need to Know About ... - AOL

   www.aol.com/news/helicopters-safe-everything...

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7. Picoo Z - Wikipedia

   en.wikipedia.org/wiki/Picoo_Z

   Weighing a mere 10 grams, the Picoo Z measures 170 mm long, and has a main rotor span of 130 mm. The helicopter is controlled by a 3-frequency a-b-c infrared controller, with two channels (one for the main rotor and one for the tail rotor) allowing independent user control of throttle (main rotor RPM) and tail rotor RPM.

8. Night vision, new helicopters are pushing the frontiers of ...

   www.aol.com/news/night-vision-helicopters...

   The newest helicopters are a heavy-duty complement to Cal Fire’s fleet of 34-year-old UH-1H Super Huey helicopters, also military surplus. The Fire Hawks are able to dump more than two-and-a ...

9. Cyclic/collective pitch mixing - Wikipedia

   en.wikipedia.org/wiki/Cyclic/collective_pitch_mixing

   Cyclic/collective pitch mixing (CCPM) is a control concept employed in collective pitch radio-controlled helicopters. [1] CCPM reduces mechanical complexity and increases precision of control of the helicopter rotor's swashplate. Unlike conventional systems in which a single actuator is responsible for a single axis, CCPM mechanisms allow ...