The construction of each muffler assembly comprises two installable pieces comprising multiple mufflers so shaped to formate around the majority of the helicopter body, extending upward at curvature or angular formations, surrounding portions of the propeller.
AIRCRAFT SILENCING SYSTEM
2018-04-19
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |
Engineering Index Backfile | 1933
|Engineering Index Backfile | 1956
|Department Highlights - Silencing aircraft
Online Contents | 2002
Tema Archive | 1973
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