Try to keep up.
Saying “a five bladed prop” would have communicated that better than “five prop”
Oh, you meant single engine WITH A 5 BLADE PROPELLOR?
Look CAREFULLY at what you wrote/
You do realize there is a HUGE difference between FIVE PROPS, and A FIVE BLADED PROP, and some (make that a LARGE number of) folks just might not be able to read your mind and know what you mean.
Insulting and denigrating folks you don't personally know on a face to face daily basis may seem cool to some folks, but it defines cowardice and shallow thought processes in the real world.
Oh, a very wise man once said: "Words MEAN things!"