Doc,
I forgot to ask which prop and what RPMs were you seeing on the ground?
I just went back through this thread in researching my 2-blade options and see the SEPs are highly "loaded" compare to other props of similar size. That has me rethinking all the props. If the SEPs are an anomaly compared to others, the all the data we have been collecting using the SEPs is skewed badly.
I have a Seidel 27/14/3 that I wasn't even considering trying, but now I think it would be wise to try it, but still would like to try a 2-blade.