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How to calculate the force balance of a glider?
Assuming that the forces are balanced (no acceleration of the glider), we can write the two vector component equations for the forces. In the vertical direction, the lift L times the cosine cos of the glide angle a plus the drag D times the sine sin of the glide angle minus the weight W equals zero:
How to calculate the chord of a RC airplane?
For the scale model RC airplane with an elliptical wing, such as the Spitfire, we divide the wing area by the wing span. The result is the average chord.
How to calculate wing area in RC calculator?
Enter Wing Area, (sq in) Enter Model Weight in oz. Enter Power in Watts NOTE: If Unknown, leave blank. Calculated Values include: Wing Loading, Performance Style, Stall Speed, Typical targeted Peak Speed, Power per pound, performance style according to power. Enter the LiPo cells in series.
How do you balance a RC airplane on your fingertips?
A correctly balancing rc airplane, sitting on your fingertips, will either be level or have the nose pointing slightly downwards. If the tail points downwards then the plane is tail heavy and you need to do something about that. If the balance does need to be adjusted to get the correct Centre of Gravity,…
How are the forces on a glider different from a powered aircraft?
In flight, any glider has three forces acting on it as compared to the four forces that act on a powered aircraft . Both types of aircraft are subjected to the forces of lift , drag, and weight. The powered aircraft has an engine that generates thrust, while the glider has no engine and, therefore, no thrust.
How is the direction of travel of a glider determined?
In the airmass reference frame, the glider’s direction of travel is identical to the direction the airspeed vector is pointing. The only force doing work on the aircraft in this direction is the component of the weight vector that points in the same direction as the airspeed vector.
What produces thrust along the line of flight in a glider?
V is the airspeed. U and w are the horizontal and vertical components of V. The rest of the vectors are forces; W = weight, K = aerodynamic force, L & D are the orthogonal components of K. Those are all the forces involved in a glide. “What produces Thrust along the line of flight in a glider?” Nothing.