Comparative Measurements of Man's Walking and Running Gaits in Earth and Simulated Lunar Gravity |
Common terms and phrases
air drag angular deflection asphaltic concrete back angle Cable tension Coefficient of friction consequently corresponding earth curves degrees see fig earth and lunar earth conditions earth gravity tests Earth Lunar effects of lunar energy expenditure evaluate feet 46 feet per second Figure 17 friction ft/sec higher speeds hip angle hip joint indicate investigation km/hr knee angle Langley reduced gravity Langley Research Center leg support locomotive gaits locomotive index loping gait lunar condition lunar gaits lunar gravity conditions lunar gravity tests lunar locomotion lunar walking m/sec Velocity Figure maximum walking NASA plotted against velocity pounds primary motions reduced gravity simulator relative motion running gaits second 1.2 m/sec second 3 m/sec self-locomotion simulated lunar gravity slings space suit sprinting gait stepping rate stickmen striding motion SUPPORT STRAP support system test subject torque trolley various body members velocity at 1g vertical Walk Run walking and running walking speed walkway