Tag Archives: Pitch

Customer asks a good prop question with implications…..

Hi Dave, Quick question about the APC props. I note that for multi-rotor the sizes seem to be with 4.5 pitch. Is there a reason why I should not use say, 9×6 with 9x6R for multi rotor craft? Thanks David … Continue reading

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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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