A SH-3A main rotor blade was electrically insulated from the rotor head and connected to measuring apparatus to determine to what extent the main rotor blades contributed to the electrostatic charges on helicopters. Testing was performed on test stands and on a SH-3A heli copter in various environmental conditions. It was found that in clear-air conditions (no snow, sand, rain, etc.) electrostatic charging current due to main rotor blades is relatively small compared to the helicopter's total current; however, in environmental conditions (snow, sand, rain, etc.) the main rotor blades are the major contributors of electrostatic charging current. (Author)


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    Titel :

    Measurement Program to Determine Static Electricity Charging Currents in Helicopter Main Rotor Blades


    Beteiligte:
    S. Baron (Autor:in) / E. Cholakian (Autor:in) / T. Coonan (Autor:in)

    Erscheinungsdatum :

    1964


    Format / Umfang :

    2 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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