The most basic rc planes will only have rudder control the rudder is the moveable hinged section of the vertical stabiliser, or fin, at the rear end of the airplane. The primary control surfaces are rudder, elevators and ailerons. Different control surfaces have different purposes. So now you know that radio signals are sent to the airplane when you operate the transmitter, but why does the plane do what it does when you move the sticks?Īll controllable airplanes have control surfaces which are attached (hinged) to their parent flying surface. Radio control frequencies for rc airplanes (MHz).Radio control functions - what an rc system can do.Radio control gear - what it is, what it does.The end result is that when you make an input at the transmitter, something on the airplane moves to control the plane.įor more information on how it all works: Servos are connected directly to the control surfaces of the airplane by linkages, so any movement of the servo is passed directly to the control surface that it is connected to. Regardless of the rc system being used, once the radio signals are picked up by the receiver, via the receiver antenna, they are passed on to the servos (and ESC - Electronic Speed Controller - in electric powered planes) inside the model and converted to physical movement by the servos. These are far less susceptible to unwanted radio interference.Ģ.4GHz systems don't require crystals to operate because the technology and method of operation is different to the MHz systems. Traditional MHz radio control systems have widely been replaced now by the newer 2.4GHz systems. Both the Tx and Rx need a matching crystal to function. The Tx and Rx must be operating on the same frequency for them to work together and, in traditional MHz radio control gear, the gadget that determines which frequency channel is used is called a crystal. Signals are generated whenever you move a stick or flick a switch on the Tx, and they are emitted via the antenna, or aerial.Īll radio signals operate on a frequency commonly measured in hertz - commonly in kilohertz (kHz), megahertz (MHz) or gigahertz (GHz). pre-internet!) television and radio broadcasts are sent. The signals are sent to the plane in the same fundamental way as traditional (i.e. The receiver is located inside the airplane and receives the radio signals sent out from the transmitter. The transmitter (also often just called the radio) is the main box that you hold in your hands and use to control your airplane. Radio control is the correct term because the airplane controls respond to radio signals that pass through the air from the transmitter ( abbreviated to 'Tx') to the receiver ( abbreviated to 'Rx'). You'll often see rc airplanes referred to as remote control but technically this is an incorrect term. The letters rc (also RC or R/C) stand for radio control.
The e-book answers all the questions that you're likely to want to ask, and takes you step-by-step all the way to get you flying an rc airplane quickly and safely. Incidentally, before we do begin, all the above topics and more are covered in detail in my e-book The Beginner's Guide To Flying RC Airplanes, along with everything else you need to know about getting started in this exhilarating and somewhat addictive hobby! Your lessons on the basics of learning to fly rc airplanes are. So get yourself comfortable, grab a drink and a snack and we'll begin! Fun and easy to use, it'll give you the meanings ( serious & amusing) to all the common rc flying jargon that you're ever likely to hear at the flying field.Īny word shown in bold on this Ground School page can be found in the glossary. If you get stuck on any words or terms then please use the rc flying glossary. Now this page will give you a basic understanding of the hobby - all the important info about learning to fly rc airplanes has been condensed in to 10 easy lessons, with links to the relevant pages of RC Airplane World where you can read about the topics in more detail. You've already taken the first step to becoming a confident rc pilot by finding this website. Importantly, you'll be pleased to know there isn't an exam at the end! If you're thinking of learning to fly rc planes, my little 'RC Airplane World Ground School' here will give you some fundamental but essential info on the basics of radio control flying.
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