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 Section 3.
AIRCRAFT AND ENGINE DATA
3.1
Aircraft Propulsion Systems and Geometrical Data. The hush-houses
built to date accommodate a wide range of aircraft types. Information
regarding each aircraft to be accommodated is essential in the design of the
enclosure and its exhaust system. Table 2 relates each aircraft type to its
propulsion system characteristics. This information is essential in
establishing total enclosure and inlet flow rates as well as maximum exhaust
temperatures. Table 3 presents important aircraft geometrical information
related to hush-house and augmenter pickup sizing. In every case the engine
exhaust plane must be at least 4 ft (1.22 m) forward of the augmenter inlet.
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