Biplane Douglas And Spads Painting "Biplane Douglas And Spads". Created by Ken Chandler. This image is 10x7.5 @ 300 ppi. Printable (PDF) files for this image, up to 18x24 inches @ 300 ppi, are available by contacting art@afnews.af.mil. This image is copyrighted and is the property of Ken Chandler and is available only to members of the armed forces and military organizations.