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Skywriting

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File:Bling-Bling Skywriting David Shankbone.jpg
"Bling Bling": Dot matrix skywriting over the hamlet of Bridgehampton, New York. August 2006.
Skywriting is the process of using a small aircraft, able to expel special smoke during flight, to fly in certain patterns to create writing readable by someone on the ground. The message can be a frivolous or generally meaningless greeting or phrase, an advertisement aimed at everyone in the vicinity, a general public display of celebration or goodwill, or a personal message such as a marriage proposal or birthday wish.

The typical smoke generator consists of a pressurized container holding a low viscosity oil such as Chevron/Texaco "Canopus 13" (formerly "Corvus Oil"). The oil is injected into the hot exhaust manifold causing it to vaporize into a huge amount of dense white smoke.

Skywriting is never a permanent process. Wind and dispersal of the smoke cause the writing to blur, usually within a few minutes. However special "skytyping" techniques have been developed to write in the sky in a dot-matrix fashion, and are legible for longer despite the inevitable blurring effect caused by wind.

In a 1926 letter to The New York Times one Albert T. Reid wrote:

A newspaper paragraph says skywriting was perfected in England in 1919 and used in the United States the next year. Art Smith, who succeeded Beachey in flying exhibitions at the Panama-Pacific Exposition in San Francisco in 1915, after the latter had been killed, did skywriting, always ending his breathtaking stunts by writing "Good night." This was not a trial exhibition but a part of every flight, and was always witnessed by thousands.[1]

Satellite navigation is now used in modern skywriting aircrafts, so that the message can be programmed before hand, resulting in greater accuracy.

File:Skywriting over Airventure.jpg
Skywriting over Oshkosh, WI during EAA's Airventure 2008
The first use of skywriting for advertising purposes was in 1922.[2]

The Wicked Witch of the West skywrites "SURRENDER DOROTHY" in the motion picture version of The Wizard of Oz.

See also

External links

References

  1. "Skywriting in 1915," The New York Times, October 9th, 1926, p. 16
  2. Harriet Veitch (2006-12-02). "How big are skywriting letters?". Sydney Morning Herald. http://www.smh.com.au/news/big-questions/how-big-are-skywriting-letters/2006/11/30/1164777710309.html. Retrieved 2008-09-17.