Two Stroke Motocross

Two Stroke Motocross Forum => Open Forum => Topic started by: JETZcorp on March 31, 2011, 09:08:34 PM

Title: Doyle Rotary Engine
Post by: JETZcorp on March 31, 2011, 09:08:34 PM
I stumbled upon this a few months ago on YouTube, and now they've just released a new video which is pretty interesting.  I was wondering what you guys thought of this idea.  Bit of a pain to wrap your mind around the concept, but it's quite elegant, in a way.

The Doyle Rotary Engine (http://www.youtube.com/watch?v=yKIa3BSJ-uY#ws)
Title: Re: Doyle Rotary Engine
Post by: snowboarderro on April 01, 2011, 03:42:12 AM
to many moving parts :P
Title: Re: Doyle Rotary Engine
Post by: TMKIWI on April 01, 2011, 01:33:47 PM
And people think 4 strokes are complicated. :o
Imagine that mass spinning on your bike going up a ramp. :-X
Title: Re: Doyle Rotary Engine
Post by: JETZcorp on April 02, 2011, 03:13:25 AM
Per unit displacement, rotating mass is dramatically less than a four-stroke, or at least so they say.  The only thing complicated about this is the number of pistons, but there are far fewer moving parts than a four-stroke of similar displacement, because as in two-strokes and Wankels, everything is controlled by ports rather than valves.
Title: Re: Doyle Rotary Engine
Post by: SachsGS on April 02, 2011, 08:43:00 AM
There was a British truck manufacturer that back in the 50's used a sleeve valve reciprocating gas engine.