The air inlet is just something I have wanted to try for a few years now. I am not sure of the correct answer to your question but in my mind because of the rotation of the prop it should be more efficient. Today was a hard day as nothing went smoothly. Still we are ready to start covering and painting tomorrow. Its going to be a simple scheme as this is only a test plane and if tomorrow goes ok Friday should be the day. I will try to get a few pics of the plane all together in a couple hours

C