First of RC aircraft are 'real' airplanes subject to all the same laws of physics. The only difference is we don,t ride in them and that presents even more of a challenge than it does 'full scale'.

OK your duraplane if it is the version without ailerons then it is not subject to adverse yaw which is a phenomenon which is caused by the outboard downward moving aileron producing more drag than the upward moving inboard one and this produces the yaw opposite direction of the desired turn. No ailerons no adverse yaw. If your duraplane has aileron disregard this.

An aileronless airplane is controllable by what is called roll coupling which is designed into the aircraft, namely dihedral. this works by appplication of rudder which will cause just a yaw which moves the dihedraled wing forward in the relative wind and effectively increases the angle of attack of that wing and this effectively causes the roll so we can complete the turn an airplane with a totally flat mid wing cannot be controlled this way and there are many degrees of coupling that can be acheived by design consideration depending on dihedral wing position etc. Some types of RC craft are designed to have coupling and positive stability on all axis (trainers sport aircraft) and some to have as close to totally neautral stabilty and zero couples as possible (this is rare in full scale) such as Pattern aerobatic types, some scale aerobatic types and pylon racers.

All aircraft, this includes full scale unless they have totally neautral stability and zero couples (a difficult state to acheive) will couple into a bank if a yaw imput is made eventually. But the speed of that couple is predicated by design. Your Duraplane even when ailerons are used is designed to have a fast reacting couple. In fact most RC trainers with ailerons are quite capable of being flown and even aerobatics performed without ever touching the ailerons.

mj147
To answer your question about temperature Yes, an RC aircrafts total performance is affected just as full scale by density altitude and all the varables of DA, temperature, altitude and moisture. I am attending a pylon race at Speedworld in PHX in the morning and being around 2500 feet lower we always experiance better performance there than at home which makes prop selection difficult at times. But of course the worst of it is the wilting pilot in the heat. You will find in arizona that morning is when the activity is. A few days ago it was 122 in lake Havasu. Oh and the question about over heating you soon learn to adjust needle valves appropriately.


John