I looked at the following site to see if I could use my 9x6 prop:
http://www.rcexchange.com/html/body_props.html
What exactly do they mean by "starting prop."
I have an O.S. .40 LA. Can I use a 9x6? I noticed that I max out my rpms at about 3/4 throttle. I currently have use 10x6. Is that preventing max RPMS? Thanks