Table 2. Summary of the breaking force tests for each egg model.
| Model | T# | F [N] | D [mm] |
|---|---|---|---|
| Tama | T1 | 1 | 0.5910 |
| T2 | 2 | 0.7619 | |
| T3 | 3 | 1.1230 | |
| T4 | 4 | 1.4720 | |
| T5 | 5 | 1.8120 | |
| BP | 4.077752 | 1.4950 | |
| Sanagasta (thick eggshell) | T1 | 5 | 0.2934 |
| T2 | 10 | 0.5857 | |
| T3 | 50 | 2.8980 | |
| T4 | 100 | 5.7960 | |
| T5 | 150 | 8.7950 | |
| BP | 136.09665 | 7.9500 | |
| Sanagasta (thin eggshell) | T1 | 1 | 0.4560 |
| T2 | 2 | 0.8959 | |
| T3 | 3 | 1.3210 | |
| T4 | 4 | 1.7340 | |
| BP | 2.73 | 1.2000 | |
| Auca Mahuevo (egg levels 1–3) | T1 | 1 | 0.4935 |
| T2 | 2 | 0.9523 | |
| T3 | 3 | 1.3830 | |
| T4 | 4 | 1.7920 | |
| BP | 3.0424 | 1.3900 | |
| Toteşti | T1 | 1 | 0.2400 |
| T2 | 3 | 0.7200 | |
| T3 | 5 | 1.1800 | |
| T4 | 7 | 1.6300 | |
| T5 | 10 | 2.2800 | |
| BP | 7.5836250 | 1.7500 | |
| Boseong | T1 | 1 | 0.1825 |
| T2 | 2 | 0.3639 | |
| T3 | 3 | 0.5442 | |
| T4 | 4 | 0.7234 | |
| T5 | 10 | 1.7760 | |
| BP | 9.9240465 | 1.7650 | |
| Ostrich | T1 | 5 | 1.7410 |
| T2 | 10 | 3.3090 | |
| T3 | 2.5 | 0.8963 | |
| T4 | 7.5 | 2.5420 | |
| BP | 7.580065 | 2.5500 | |
| Goose | T1 | 0.5 | 0.3736 |
| T2 | 0.2 | 0.1517 | |
| T3 | 1 | 0.7295 | |
| T4 | 1.2 | 0.8675 | |
| BP | 0.919825 | 0.6700 | |
| Hen | T1 | 0.25 | 0.1575 |
| T2 | 0.5 | 0.3114 | |
| T3 | 0.75 | 0.4621 | |
| T4 | 1 | 0.6096 | |
| BP | 0.666208 | 0.4100 | |
| Quail | T1 | 0.05 | 0.1515 |
| T2 | 0.1 | 0.2946 | |
| T3 | 0.15 | 0.4306 | |
| T4 | 0.025 | 0.0769 | |
| BP | 0.07477 | 0.2200 |
Note:
BP, break point estimated by regression; D, maximum displacement at the load point; F, inner load force; T#, test number.