Built by the Thomas-Morse Aircraft Corporation located in Ithaca, NY, the Thomas Morse S-4C Scout affectionately known as "Tommy" by the men who flew it, is probably best known American built single seat aircraft of the First World War.
Center of Gravity: 3-5/8 inches back from the leading edge of the Top Wing.
Control Throws:
Elevator: 1-1/2 inches up and down.
Rudder: 2 inches left and right.
Ailerons: 1 inch up and down.
Aileron Differential: 1 inch up and 1/2 inch down (differential recommended).
Incidence:
Top Wing: +1 Degree.
Bottom Wing: -1-0.0 Degrees.
Tail: 0.0 Degrees.
Engine Thrust Line: 1-2 Degrees DOWN, 1 Degree RIGHT.