WILL LYCOMING BUILD IT THIS WAY?
 

How many moving parts do you see?......... http://bourke-engine.com/ani.htm

No they won't
 

Gman,
The scotch yoke engine has been around forever. The comments about emissions and other claims are, ... well claims. YMMV. If this engine actually worked better than all the flat engines would already be built that way.
Bill Jepson

ppm?
 

anyone who makes their emissions claims in ppm still has a lot to learn...