Reference Sites

Browse Dave’s selected reference sites for RC building, aviation, engineering, calculators, technical research and dependable hobby information.

Thread Tapping & Clearance Hole Chart

Tapping and Clearance Hole Chart. Useful information when picking a drill bit sizes for threading or clearance fit of a fastener. Drill it right the first time. Make better & stronger threads. Courtesy of Standford University.

Ampeer Newsletter and EFO Website

Edited and published by Ken Meyers, the Ampeer is probably the longest running electric flight newsletter on the planet. Lots of good information. One of the few things I subsribe to. It’s free and is published once a month. This months issue covers the Mid-Am...

Expanding Your Airfoil Knowledge

Erik Dahl Christensen’s Airfoil History If like me, you love to design aircraft and want to get a better handle on airfoils, Eric Christensens’s site is an excellent study. Click his home link to find calculators and other sailplane design information....

Wire Resistance and Voltage Drop Calculator

Jeff Lucius provides us with his Voltage Drop Calculator. An excellent site to help understand why wire size maters. If you have a 1000kv outrunner and your voltage drop across wires and connectors is .5v then your losing 500 prop RPM. Yikes!