Originally Posted by
mick15
I repeat one of my earlier posts to ask, “What is the preoccupation with pitch” why not use a larger diameter prop?
A ¼ scale warbird doing 125mph that’s 500mph, they’re not going that speed at Reno! They just look ridiculous. Remember, pitch is for speed, diameter is for weight.
I have a three blade 32x12 on my La7 and it’s easy to get that flying too fast.
m
any piston engine that is propped has a parameter of optimal rpm for healthy operation. to achieve this target rpm with a given diameter, pitch must be considered to properly load the engine. A larger disc is not always available or practical. In the case of the Moki, being high torque, it benefits from a Lott of pitch and lower rpm. Modelers give way too little consideration to pitch. In full scale, pitch is a big consideration in engine operation.