Longboy's "Split Mono" engine!

[Longboy]

A single cylinder engine with twin crankshafts. This split rods concept actually exists in the marine and motorcycle world.

 

[minh-thanh]

Again, I like the way you build engines, Always different - A brand : "Longboy"
Thank you for sharing
Congratulations !

 

[TonyM]

Lovely engine. What purpose does the design serve other than taking side load off the piston.

 

[Longboy]

Some insight from the manufacturer on the design, Tony.

https://www.neandermarine.com/a-new-engine-concept-for-the-diesel-outboard-marine-market/