I m almost complete with my first rc plane i.e Spitfire...just left with motor mounting as i don't have a propeller...i need some info on propellers like relation between kv rating of motor & size of propellers, difference between reduction drive(RD) & direct drive(DD) etc..
Any kind of suggestions r welcomed
![Smiley](http://www.rcindia.org/Smileys/default/smiley.gif)
i m attaching few pics of build