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Where do I find a Standard range list for logs...

Discussion in 'ALTA' started by Rick Gerard, May 7, 2018.

  1. Rick Gerard

    Rick Gerard Active Member

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    The flight logs are interesting but almost completely useless without a list of acceptable ranges. For example I recently - see the other post - had a fail warning and hot motor warnings happen a couple of minutes into three flights. The Fail code was 16384 and the hot motor code was 8 but the temperature readings for the motors at the time of the warning was 58 58 65 71 68 55. Temp 4 (71) had been 70º C for 5 seconds and was always the hottest motor. I'm assuming that 71ºC is the fail point. By the time I landed the temps were 64 64 69 74 74 60.

    It would be really helpful if we had a chart for the normal and critical values for all of the relevant properties that could cause catastrophic failures. I'm going to carefully check my motors to see why 3 of them never got above 64 and motor 6 never got above 60. Come to think of it I don't know if the temp readings are for the motors or the motor speed controllers.

    I'm attaching a screenshot of the spreadsheet showing the fail point and the other motor data.
    [​IMG]
     

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