Data Logger

[Earl Haury]

I've a Eagle Tree Systems V1 datalogger for sale, $60 including shipping (USA). Includes data logger, USB cable, pitot tube, software (CD), and several Y connectors (some modified to fit JR connectors), instructions.

This unit does a good job of recording airspeed, altitude, control inputs, and bat voltage for a pattern sequence. I generally connect it into an aileron lead which allows viewing where rolls are on vertical lines. Very useful for prop testing and geometry verification, for example measuring loop diameters, base lines, etc. Data is downloaded into a PC/laptop via USB port and best analyzed in Excel. (I've ordered a newer version that includes rpm & eng temp.)

Earl



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