Ryan NYP "Spirit of St. Louis" Aero Digest Three-View Plan (1927)

Published three-view general arrangement line drawing of the Ryan NYP Spirit of St. Louis from Aero Digest magazine in July 1927. — Ryan NYP "Spirit of St. Louis" Aero Digest Three-View Plan (1927) · Donald A. Hall Estate Collection

The definitive three-view general arrangement engineering drawing of the Ryan NYP Spirit of St. Louis (N-X-211), prepared by Chief Engineer Donald A. Hall Sr. and published in the July 1927 technical issue of Aero Digest. The plate illustrates the front elevation with wide-track landing gear, the side profile showing the enclosed fuel tank bay and Wright Whirlwind motor, and the top plan view detailing the extended 46-foot wing chord and empennage geometry, serving as the first public disclosure of the aircraft's exact aerodynamic specifications.