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Townend ring

Index Townend ring

A Townend ring is a narrow-chord cowling ring fitted around the cylinders of an aircraft radial engine to reduce drag and improve cooling. [1]

12 relations: Boeing P-26 Peashooter, Boulton & Paul Ltd, Chord (aeronautics), Douglas O-38, Gloster Gauntlet, Meredith effect, NACA cowling, National Physical Laboratory (United Kingdom), Radial engine, United Kingdom, Vickers Wellesley, Westland Wallace.

Boeing P-26 Peashooter

The Boeing P-26 "Peashooter" was the first American all-metal production fighter aircraft and the first pursuit monoplane to enter squadron service with the United States Army Air Corps.

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Boulton & Paul Ltd

Boulton & Paul Ltd was a British general manufacturer from Norwich, England that became involved in aircraft manufacture.

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Chord (aeronautics)

In aeronautics, chord refers to the imaginary straight line joining the leading and trailing edges of an aerofoil.

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Douglas O-38

The Douglas O-38 was an observation airplane used by the United States Army Air Corps.

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Gloster Gauntlet

The Gloster Gauntlet was a British single-seat biplane fighter of the RAF, designed and built by Gloster Aircraft in the 1930s.

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Meredith effect

The Meredith effect is a phenomenon whereby the aerodynamic drag produced by a cooling radiator may be offset by careful design of the cooling duct such that useful thrust is produced.

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NACA cowling

The NACA cowling is a type of aerodynamic fairing used to streamline radial engines for use on airplanes and developed by the National Advisory Committee for Aeronautics in 1927.

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National Physical Laboratory (United Kingdom)

The National Physical Laboratory (NPL) is the national measurement standards laboratory for the United Kingdom, based at Bushy Park in Teddington, London, England.

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Radial engine

The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders "radiate" outward from a central crankcase like the spokes of a wheel.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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Vickers Wellesley

The Vickers Wellesley was a British 1930s light bomber built by Vickers-Armstrongs at Brooklands near Weybridge, Surrey, for the Royal Air Force.

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Westland Wallace

The Westland Wallace was a British two-seat, general-purpose biplane of the Royal Air Force, developed by Westland as a follow-on to their successful Wapiti.

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Townend cowling.


[1] https://en.wikipedia.org/wiki/Townend_ring

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