A Townend ring is a narrow-chord cowling ring fitted around the cylinders of an aircraft radial engine to reduce drag and improve cooling. It was patented...

fairings. After numerous changes, most noticeably the addition of a wide Townend ring to the engine, and a higher aspect tail, the second prototype P.7/II...

at 1930s airspeeds, the effect was negligible. NACA airfoil NACA duct Townend ring White, Graham (1995). Allied Aircraft Piston Engines of World War II...

while the others had different reasons). The three engines had either Townend ring or NACA cowlings to reduce drag from the engine cylinders, although a...

directing airflow. Examples in aviation include the NACA cowling and Townend ring. On an airplane, the cowling may also cover part of the fuselage, the...

Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire...

Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire...

Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire...

75 built. A Deluxe model was offered beginning in 1936 with optional Townend ring, propeller spinner, wheel pants, navigation lights, and radio.: 130 ...

Self-sealing fuel tank Splitter plate Throttle Thrust lever Thrust reversal Townend ring War emergency power Wet wing Landing and arresting gear Aircraft tire...