Question by andrew: Model Plane?
If i were to construct a model plane, and i was to create a small engine for it, what are some laws of flight that i should keep in mind? i.e. Bernoullis principles? anything will help, thanks everyone.
Best answer:
Answer by ExSarge
Most plastic model planes are designed to look right, and will be all wrong as to weight, center of gravity, center of lift etc. and will not fly at all.
Unless you are building a plane designed for flight, in which case any hobby shop owner will be gld to sell you kits, instructions, even a motor 
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If you’re going to build a model airplane from scratch, Bernoullis principle would only apply to the dihedral on the wings. The more the difference, the more lift. However, too much and it’ll create drag. You also have to look at weight and balance of the plane.
http://www.eaa.org or http://exp-aircraft.com/ might help you get an idea of what it takes to build a real airplane and apply those principles to a smaller scale.
http://www.airfieldmodels.com/ is a site dedicated to people who wish to build their own model aircraft.