Table 5. Safety factors of insect tibiae for various situations.
Relevant stress to cause failure (MPa) | In vivo applied stress (MPa) | Safety Factor | |
---|---|---|---|
Locust Mid-Leg (running) | 44.25 | 6.45 | 6.8 |
American Cockroach (running) | 41.03 | 5.87 | 7.0 |
Death’s Head (running) | 36.45 | 5.67 | 6.3 |
Locust Hind-Leg (jumping) | 72.05 | 42.20 | 1.7 |
Death’s Head (wedging) | 72.90 | 23.29 | 3.1 |
Death’s Head (righting) | 72.90 | 18.89 | 3.9 |