Hello,
That prop is pretty cool! What rpm are you getting at 8 or 10” of pitch? (If it can adjust that fine). 6200 sounds like quite a load. Have you installed baffles for cooling? We (My flying buddies) use dyrese foam. It cost less than $2 and adheres with ca like an sob. Very easy to work with. Also, did you do anything with a p-38? I ordered everything I can buy from ziroli. I’m curious if prekin can make better parts than the abs stuff, in particular, the turbos.