Don Stegall

This application is a collection of calculators that are convenient for modelers and R/C aircraft modelers in particular. The calculators were designe …

This is a very simple free app with charts for drill bits sizes in fractional inches, metric, US number, and US letter sizes. It scales to larger scre …

This is a very simple app with charts for drill bits sizes in fractional inches, metric, US number, and US letter sizes. It scales to larger screens o …

This is a free Ad-Supported version of the paid RC Calculators app. This is a collection of calculators that are convenient for modelers and R/C aircr …