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Radio control plane .guide 1.0
The best r/c model plane guide on the net
Welcome at rc-plane-guide.com
This page is a guide to the exiting world of rc plane models. The content on this page is highly useable by beginners in rc planes due to the beginners guide, flight school, buyers guide and the model reviews. The primary content on this page is fixed and rotary wing (helis) rc model aircrafts. However other reviews and tips might pop up in categories like rc boats, rc cars, rockets, rc parachutes, onboard video camera systems and so on. If you have comments to this homepage do not hesitate to contact.
model plane @ aerodynamics
Introduction: Aerodynamics is the term used when we talk about the forces that are introduced by air passing by an object. These are of course not limited to model planes but relates to many daily doings whether we notice or not. Aerodynamics is a complex topic which are not going to be described in detail here. However, it is the idea that the newcomer to model plane flying will get some hints and tips plus a number of glossary to make life at the airfiels at bit more easy.
Center of Gravity: The center of gravity of a model plane if the point or singularity where the plane can be balanced without tipping to any sides. In typical fixed wing model planes with a normal airfoil type like Clark-Y the center og gravity is placed approximately 1/3 to 1/4 of the wing chord away from the wing front. This concept is illustrated on the figure below.
The main reason for placing the center of gravity at this position is of course to make sure that the moments (forces times distance from C.G) acting on the airplane are in equilibrium around the C.G. If the moment is not in equilibrium the plane will tip to one or more sides, changing the forces and moments on the whole plane. The figure above can also illustrate what happens if the airplane is tail heavy. If the tail is pulling down then the incidence of the wing will increase resulting in more lift generated. This will make the plane go upwards. If the plane has suifficient power a loop will be completed of the plane at some point stall. The motion will then be repeated untill there is equilibrium in the moments on the airplane.
Wings: The wing is the object that makes most model planes fly. The main objective is to create lift to the plane when it is moving forward through the air. The lift is for conventional beginner wing profiles located 1/3 to 1/4 chord distance from the front of the wing. For fully symmetric wing profiles the lift is generated by the incidence or angle of attack of the wing. This is in contrast to asymmetrical wings where the lift is generated by the different lenghts of the top and bottom chord lenght, thus making low and high speed airflows that then will generate over and under pressure around the wing.
Control Surfaces : The control surfaces are used to impose various forces (and thus moments) on the model plane depending on the position of the control surface. These forces can then be used to control the direction of flight of the model plane.
Prop : The propeller is the most widely used "item" to generate a force that will pull the plane through the air. Other thrust generating devices are jet turbines and fans.
About the.Authors
The authors of the content on this page is long time dedicated rc modellers and flightfreaks in general. This is to ensure that high quality content is published thoughout www.rc-plane-guide.com. Radio controlled models are however about having fun, from the time that you begin building of flying your first model untill you become a seasoned rc junkie with plenty of tips to share. Thus we will from time to time bring reviews that are based on a rc model beginner. This is to ensure that we do not overlook stuff that could halt the newcomer to the rc world, while being a simple problem to the experienced modeller.