Plane Geometry

"Plane Geometry" is a proven package of related computer spreadsheets that assist the modeler in the preliminary design of model airplanes of all types including free flight, U-control, R/C power models and R/C sailplanes.

Linkage Design

“Linkage Design” is a computer spreadsheet used to speed and improve the setup of radio controlled airplane control systems.  It computes linkage geometry to assist the designer in obtaining desired servo travel with minimum servo force.