Cars × Thermal Engineering
Ducted Nostalgia: Inside Porsche’s Patent for a Hybrid Air-and-Water Cooled Flat-Six
Marcus Thorne · May 20, 2026
A newly published German patent seals the flat-six inside a ducted housing with crankcase cooling fins, a 5,800 CFM rear fan, and reversible airflow for cold starts. From the 959 precedent to Gordon Murray’s T.50 fan car, inside the thermodynamics and the noise problem nobody wants to solve.