FIELD: measurement of thrust of jet engines. SUBSTANCE: in compliance with method of measurement of ram pressure of gas flow forces of resistance are measured by two sonds with different coefficients of aerodynamic resistance. Positioned in gas flow close to measured zone and parameter characterizing relation of measured forces is determined. This parameter is used to find ram pressure of gas flow with allowance for M number or coefficients of aerodynamic resistance of sondes. Each sonde can be manufactured in the form of rod made fast to engine which fixed end carries force-measuring device fabricated in the form of calibrated beam with resistance strain gauges. EFFECT: enhanced authenticity of measurements. 2 cl, 6 dwg
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