Endurocore is a Wankel engine prototype by Pratt & Whitney with a goal of 2 HP/lb (just over 3 kW/kg)
Work is now under way on building the prototype. The goal is to achieve a specific power of 3.28kW/kg (2hp/lb), with a successful test in this quarter expected to lead to the development and fabrication of a flight weight version of the air-cooled engine, which is called Enduro-core and will use diesel. The P&W Wankel …