Mufflers for aeronautic engines

Diederichs, H Upton, G B
naca-report-10
1917


Report presents the design, development and experimental results of muffling devices used to reduce noise generated by the airplane power plant.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1917/naca-report-10.pdf