Aeronautics and astronautics – Aircraft structure – Details
Patent
1979-11-01
1981-09-22
Barefoot, Galen L.
Aeronautics and astronautics
Aircraft structure
Details
60 3909P, 244 53B, B64D 2900
Patent
active
042905699
ABSTRACT:
Air intake openings in an aircraft engine cowling are plugged by closures of resilient plastic material while the aircraft is parked, to exclude birds from nesting in the engine compartment. A rope is connected to the closures and draped around the propeller so that, in the event the aircraft operator fails to manually remove the closures, before the engine is started, the turning of the propeller will pull on the rope and thereby pull the closures from the openings, whereupon the closures and rope are deposited on the ground.
REFERENCES:
patent: 2609164 (1952-09-01), Dillon
patent: 2744382 (1956-05-01), Sokol et al.
patent: 3490177 (1970-01-01), Perrion
patent: 3858747 (1975-01-01), Wharton
patent: 4194494 (1980-03-01), Wagner
"CH-46 As Get Anti-Sand Filters", Aviation Week and Space Tech., Jul. 18, 1966, p. 83.
"Deuces Back to Back", Hot Rod, Aug. 1964 (center right photo).
Piper PA-24-260 Comanche, Jane's Pocket Book of Light Aircraft, p. 179, 1976.
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