Inside-out Wankel" rotary engine delivers 5X the power of a diesel
This 11.6L Turbocharged Big Block Rotary Engine is Completely Insane! - Drive
Wankel engine
Amazon.com: TOYGA Twin Rotary Engine Model TOYAN RS-S100 2.46cc Internal Combustion Engine 4 Stroke Water Cooled Nitro Motor Physics Engine for RC Car Toy : Toys & Games
Bentley B.R.2 rotary engine – Historic and Classic Aircraft Sales