-Gz Event
Blood pools in brain
+Gz Event
Blood pools in feet
-Gx Event
Think slamming on a car’s brakes
+Gx Event
Step on the gas
-Gy Event
Body to the Right
+Gy Event
Body to the Left
Low Magnitude Accelerations
G’s ranging from 1 to 10 and lasting for several seconds
Sustained +Gz black out
4.0 to 4.5 Gz
Sustained -Gz incapacitation
3 or more -Gz
+/- Gx Tolerance
7 + breathing becomes difficult
Can sustain -/+ 20 Gx briefly
High Magnitude Accelerations
Gs above 10 lasting less than a second
Crash Survivability Criteria
Force transmitted to crew, Occupiable living space, Aircraft design features
CREEP
Container Restraint System Enviornment Energy Absorption Post Crash Factors