It can be said that it is a V-engine with cylinders so close together that they use a common combustion chamber.

-In a way it can be a Richard (see) with the difference of the connection to the crankshaft, as were the engines of ISO motorcycles or the Szydlowski engine (see).

"Comery design"

-What is catching the eye are the connecting-rod heads and feet with the eccentric connection to the crankshaft and piston pins. Also the use of bearings of bearings in both places.