Category Archives: Calculators & Charts

Dave’s favorite handy web based calculators and charts.

Wire Caculator AWG to Curcular Mils

A calculator published by the Mogami company. It is helpful to understand wire size a little better. For example, a solid core 22 gauge wire has a different overall diameter if it’s 16 strand or 32 strand or 198 strand. … Continue reading

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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.

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Handy Factors For Common Calculations

Calculating Pitch Speed: RPM X Pitch Inches x .0009469 = MPH Pitch Speed Convert wing area from square decimeters (dm) to Square Inches and back: Sq dm x 15.5 = Square Inches Square Inch x .064516 = Square dm Servo … Continue reading

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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 … Continue reading

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World Wide Metric Calculator

Worldwide Metric: The best metric / length / weight/ volume / pressure / weight calculator on the web. I use this site every week for something.

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