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  Search Query: 'quieter' : 4 Clips
    
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 NASA DEVELOPING A QUIETER JET ENGINE - 1960S
The NASA Lewis Research Center in Cleveland, Ohio conducts a series of tests on jet engine parts to locate what causes noise in the hopes they can design a quieter engine.

Date: 1960s - COLOR
Source: Film: 16P
Length: 00:00:23:00, No Audio

SD: $49 - Web (320): $39
 


Similar: test, tests, testing, centers, cleveland , ohio, equipment, scientist, scientists, quiet, quieter, reduce, reduced


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 NASA DEVELOPED NOISE-REDUCING JET ENGINE - 1960S
A jet using a NASA-designed acoustically treated engine reduces noise by 95 percent then cut to changing views of jets leaving contrails against a dark sky.

Date: 1960s - COLOR
Source: Film: 16P
Length: 00:00:12:00, No Audio

SD: $49 - Web (320): $39
 


Similar: test, tests, quiet, quieter, reduce, reduced, noise, noises, engine, engines, airplane, airplanes, plane, planes, flight


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 TESTING OF NEW, QUIETER JET ENGINE - 1960S - 1
A NASA jet with newly designed noise-reducing engines flies low over ground instruments measuring noise levels during an acoustic test.

Date: 1960s - COLOR
Source: Film: 16P
Length: 00:00:14:00, No Audio

SD: $49 - Web (320): $39
 


Similar: test, tests, quiet, quieter, reduce, reduced, noise, noises, engine, engines, record, records, recording, test, tests


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 TESTING OF NEW, QUIETER JET ENGINE - 1960S
A NASA jet with noise-reduction engines flies overhead while vans on the ground record noise and radar tracks the jet's position during a 1960s test to reduce airplane noise. A group of people in a tented area nearby also give their subjective reactions to the noise during the test.

Date: 1960s - COLOR
Source: Film: 16P
Length: 00:00:21:00, No Audio

SD: $49 - Web (320): $39
 


Similar: test, tests, quiet, quieter, reduce, reduced, noise, noises, engine, engines, van, vans, record, records, recording

 

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