| 旁流区域Bypassregion | 最小/% Minimum | 最佳估算/% Best estimate | 最大/% Maximum |
| 上封头Upper dome | 1.785 | 1.934 | 2.135 |
| 出口接管Outlet nozzle | 0.000 | 0.130 | 0.879 |
| 外围空隙Peripheral gap | 0.100 | 0.220 | 0.400 |
| 金属反射层Metal reflector | 0.630 | 0.661 | 0.664 |
| 导向管①Guide tubes | 1.050 | 1.830 | 2.160 |
| 总旁流Total bypass | 3.565 | 4.775 | 6.238 |