Skywriting apparatus

Details Skywriting apparatus Skywriting apparatus

1977-05-31

1978-10-31

Pitrelli, John F.

Card, picture, or sign exhibiting

Aerostatic devices

Skywriting

239171, 244136, G09F 1900

Patent

active

041226186

ABSTRACT:
A skywriting apparatus produces visible vapor in a predetermined pattern to write messages in the sky and has a plurality of vapor generators attached to an airplane and spaced in a predetermined pattern. Each vapor generator has a burner which continuously burns, once ignited, until extinguished, and an oil injector which injects oil responsive to a remote control unit. The vapor generators are attached in a spaced relationship from a cable supported from a winch in the airplane and includes a second cable for spacing the generators as they are lowered from the plane.

REFERENCES:
patent: 2065024 (1936-12-01), Remey
patent: 2308060 (1943-01-01), Rochefort-Lucay
patent: 3089271 (1963-05-01), Copeland

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