Townend-Ring

A Townend ring is a cowling ( cowling ) for a radial engine. Here, an aerodynamically shaped ring is mounted above the cylinder heads of the engine. This ensures a defined air flow through the engine and the reduction of turbulence, without deteriorating the cooling thereby.

It is named after its developer Hubert Townend.

The idea of ​​the Town Dringes was completed with the NACA hood. Town Penetrate no longer apply today. They only came in the 1920s and 1930s for use.