RE: Pipe/manifold length on the West Eurotech 50 V1
Using light props is a good point, APC makes great sport props for the money, but they are heavy. I have not tried their carbon props yet, but I have run maple and other brand carbon props. There is a performance gain with having thin blades made out of stiff material. You can only expect extreme performance from the best materials for the job, and that would be carbon, followed by maple that has been shaved down to being dangerously thin. The XxX number on the prop doesn't tell the whole story, the blade design and weight have a lot to do with the overall picture. The difference in performance and tunability between using a heavy, thick blade sport prop and a light, thin blade competition prop is dramatic. Heavy props are very hard on the engine, especially the crank pin area.