Has anyone bought or used one of these USB car data recorders made by Eagle Tree Systems? The accelerometer data would be fun too look at after a bad wreck....

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Eagle Tree –R/C UAV RPV RC Model Aircraft Telemetry data logger GPS logger GPS telemetry MicroPower elogger e-logger RC Model Airplane Telemetry jet ECU telemetry Eagletree MicroPower Wireless Telemetry RC data logger Flight Data Recorder high