Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried to start it. If not, then let's watch the previous video first: <a href=" ...

Immigration to the U.S. over the years has been gained through good luck. And, as we have seen, bad luck, or no luck at all. Read more ...

This means it is a reciprocating rotary engine. Yeah, weird stuff. The camshaft is also centrally located in the crankcase and still runs at 50-percent crankshaft speed but only actuates one valve ...

As interesting as this concept is, it still has a long way to go before reaching production lines, not to mention its applications may be limited ...

In case this is a rotary valve, add 3 dB to the total. If your FL factor is different from 0.7, then add the following ∆FL numbers: In cases where your fluid is something other than water, add the ...