Matt this guy is the dude to talk with about rotary valves as he has solved all the issues on his experiments, a genuine and enthusiastic engineer. He is very conversant and will steer you in the right path and Ive throught about the RV heads for quite sometime and without looking at the pattakon version I also came to the conclusion the often past designs of the RV open chamber designs were just too large for exhaust pressure and even the inlet. It should be shaped like a trapezoid covering halve to 70 percent of the cylinder to direct the flow charge way away from the cylinder walls and create an elongated ball charge. Exhaust pressure has no need for such a large opening and in fact loses the necessary pressure required for improved overlapped inlet.
http://www.pattakon.com/pattakonPatRoVa.htmManousos Pattakos
1 week ago
Forgive my interest on the rotary valves.
It only is due to:
1. They are banned, since 2004, by FIA.
2. They can humiliate anything in the rest racing, as motoGP, superbikes ...
3.They better suit the HCCI combustion, fostered by Mazda, Mahle (in Mercedes f1)...
manousos.pattakos@pattakon.com
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