LINDBERGH (Charles) et HALL (Donald A.)

Lot 404
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Estimation :
200000 - 300000 EUR
LINDBERGH (Charles) et HALL (Donald A.)
A collection of technical records and maps relating to the construction of the Spirit of St. Louis and the preparation of its crossing of the North Atlantic. [1927]. More than 100 in-4 ff., manuscripts, typescripts or prints and 5 folio and in-plano maps, green half-maroquin case, nimbus spine, three pieces of black morocco. Very important set of archives and maps relating to the construction of the Spirit of St. Louis. Designed in San Diego by Charles Lindbergh and the chief engineer of Ryan Aviation, Donald A. Hall, with the support of several benefactors and financiers, the design of the monoplane was the subject of lengthy reflection, the drafts and working papers of which are presented here. The main goal was to reduce the weight of the aircraft. The Spirit of St. Louis took off on the morning of May 20, 1927, from Roosevelt Field, Long Island, and landed at Le Bourget Airport, 33 hours and 30 minutes later, on May 21, 1927. Such a flight, solo and non-stop, was a first. His arrival in Paris was widely reported in the media. This set includes: - Preliminary handwritten notes by Hall. They address various technical points relating to the design of a new model of aircraft adapted to the technical requirements of crossing the Atlantic. 4 p. handwritten, signed and dated February 24 and 25, 1927 and 2 p. typewritten. - Drawings of a wing, including the gas tanks that were to be inserted in the wing, and various related calculation tables. 12 p. handwritten, signed and dated March 3 and 4, 1927. - Studies on the mass of the Spirit of St. Louis: 13 p. handwritten. - A series of studies on the cruising speed of the aircraft: 25 p. handwritten, most of them signed and dated April 26 to May 6, 1927, including 13 graphs and 8 calculation tables. - Studies on the cruising speed: 25 p. handwritten, most of them signed "D." (see below). A. Hall" and dated April 26 to May 6, 1927, including 13 graphs and 8 calculation tables
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