Coates International Ltd. (fka COTE)

[QE123]

FYI Animal, this concept has been more than in discussion since the fifties. The first rotary valve engine was made and patented in the early 1900's and has been around in various revisions since, including large industrial engine applications and motorcycles. Wattson, Kawasaki, and others had their goes with it up through the eighties and one German company currently produces a 125cc motorcycle engine with this rotary valve arrangement. The valves are air cooled, not liquid cooled like the CSRV. Sealing the combustion chamber and cooling the valve assemblies has always been the achilles heel for this arrangement, but it does work. Coates does seem to have refined the design to address these historical problems.
Even if the improvements aren't truly any better than other renditions, the multi-fuel management system is, and the CSRV should have a lower assembly cost by virtue of fewer parts, and possibly lower price point, to counter longevity issues. Really all I am getting at, is the tech side is good. This type of design has been produced and sold for one hundred years, and Coates should not need the years of reliability data you speak of in order to get to mass market.