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Related Experiment Videos

Physiologic and anti-G suit performance data from YF-16 flight tests

K K Gillingham, W R Winter

    Aviation, Space, and Environmental Medicine
    |June 1, 1976
    PubMed
    Summary

    Physiological responses in fighter pilots during high-G exposure included altered breathing and heart rate. Anti-G suit performance varied with G-onset rate, indicating critical G-force protection insights.

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    Area of Science:

    • Aerospace Medicine
    • Human Physiology
    • Aviation Safety

    Background:

    • High G-force exposure poses significant physiological challenges to fighter pilots.
    • Understanding these effects is crucial for flight safety and equipment design.

    Purpose of the Study:

    • To analyze biomedical data collected during high-G maneuvers in YF-16 test flights.
    • To assess pilot physiological responses and anti-G suit performance under extreme G-loads.

    Main Methods:

    • Collection of biomedical data from pilots during high-G phases of 11 YF-16 test flights.
    • Monitoring of respiratory rate, tidal volume, and heart rate.
    • Analysis of anti-G suit inflation and pressurization dynamics relative to G-onset rate.

    Main Results:

    • Increased respiratory rate and volume, decreased tidal volume, and elevated heart rate observed at higher G levels.
    • One pilot experienced cardiac arrhythmias, highlighting individual variability in response.
    • Anti-G suit pressurization lags showed an inverse relationship with G-onset rate; slope approximated design values.

    Conclusions:

    • High-G forces significantly impact pilot physiology, necessitating effective countermeasures.
    • Anti-G suit functionality is closely linked to the rate of G-force onset.
    • Findings contribute to optimizing pilot protection and aircraft system design in high-performance aircraft.

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