| The radio system is to connect between you | | | | Transmitter: The transmitter is the control |
| and your model rc toys (remote control toys) | | | | box which you hold that converts your human |
| such as rc car, rc helicopter, nitro rc car, | | | | control movements into electrical impulses |
| rc gas boat, remote control helicopter, | | | | and sends them via radio waves to the |
| remote control car etc.. It looks like a bit | | | | receiver in your model. |
| complicated at the very beginning but with | | | | |
| some study, all aspects of the radio system | | | | Receiver: The receiver is the small |
| can be easily understood. We will introduce | | | | electronic unit in your model which converts |
| you to the radio system here and explain a | | | | the radio signal from your transmitter into |
| few of the features found on many of the | | | | electrical control signals which can be sent |
| systems available today. | | | | to your servos. |
| | | | |
| Radios are separated into two groups, those | | | | Servos: Servos are the devices in the model |
| used for model aircraft and those used | | | | which actually produce the control movements. |
| forsurface models. Although the operation, | | | | They convert the electrical signals from your |
| electronics, and mechanics for both types of | | | | receiver into physical movement to control |
| systems are virtually identical, they operate | | | | your model. A different servo is required for |
| on different sets of frequencies. The | | | | each control function or radio channel. |
| separation is stipulated by law and it is to | | | | |
| protect the safety of the modeler and those | | | | Batteries: Virtually all 4-channel and |
| in the vicinity. | | | | greater systems come complete with |
| | | | rechargeable NiCdbattery packs for both |
| A flying aircraft can be dangerous if it | | | | receiver and transmitter. |
| becomes uncontrolled and the frequency | | | | |
| separation helps avoid an aircraft being | | | | Dual Charger: A dual charger will come with |
| interfered with by someone operating a car or | | | | any system that is complete with NiCd |
| boat. In addition to a difference in | | | | batteries. |
| frequencies, some surface radios are also | | | | |
| available as a pistol grip control which is | | | | It will charge both the receiver pack and the |
| ergonomically easier when controlling cars | | | | transmitter pack at the same time. |
| and boats. A pistol grip for aircraft would | | | | |
| be impractical. | | | | Switch Harness: A switch harness is provided |
| | | | to turn off the power to the receiver and |
| The first criteria one usually looks for when | | | | servos in the model. It goes between the |
| choosing a radio is the number of control | | | | battery pack and receiver and also has a lead |
| functions or channels. (Note that the term | | | | for charging. |
| channels here refers to the number of | | | | |
| controls and does not have anything to do | | | | Servo Accessories: Most radio systems will |
| with the frequency on which the radio | | | | come with additional servo arms and hardware |
| operates.) Generally modern radio systems are | | | | for mounting them. |
| available with anything from 2 to 10 | | | | |
| channels. | | | | P.S. Common rc toys (remote control toys) and |
| | | | hobby items: rc car, rc helicopter, nitro rc |
| What comes with the radio | | | | car, rc gas boat, remote control helicopter, |
| | | | remote control car etc. |