NGĀ ĀHUATANGA O TE RĪWAI POUTŪ:
1. He pai tēnei mīhini mō te miihini o ngā momo ahumahi katoa. Ka taea te tukatuka i te mata pou o waho, te mata porowhita kōniko, te mata pane, te tapahi, te tapahi i te mīhini hurihuri wira waka.
2. Ko te tēpu mahi he ara ārahi wai-pūmau. Ko te porowhita he whāriki NN30 (Taumata D) ka taea te huri tika, he pai te kaha o te whāriki.
3. Ko te pouaka taputapu he taputapu 40 Cr mō te huri taputapu. He tino tika, he iti hoki te haruru. He hua rongonui ngā taputapu waipēhi me ngā taputapu hiko i Haina.
4. Ka taea te mau i ngā ara aratohu kua pania ki te kirihou. He watea te tuku hinu whakahinuhinu pokapū.
5. Ko te tikanga whakarewa o te mīhini whakarewa he whakamahi i te tikanga lost foam foundry (he whakarāpopototanga mō te LFF). He kounga pai te wāhanga whakarewa.
NGĀ WHAKATAUTANGA:
| TAUIRA | WĀHANGA | C518 | C5112 | C5116 | C5123 | C5125 | C5131 |
| Te whānui hurihuri mōrahi o te pou taputapu poutū | mm | 800 | 1250 | 1600 | 2300 | 2500 | 3150 |
| Te whānui hurihuri mōrahi o te pou taputapu taha | mm | 750 | 1100 | 1400 | 2000 | 2200 | 3000 |
| Te whānui o te tēpu mahi | mm | 720 | 1000 | 1400 | 2000 | 2200 | 2500 |
| Teitei mōrahi o te mahi-mahi | mm | 800 | 1000 | 1000 | 1250 | 1300 | 1400 |
| Taumaha mōrahi o te mahi | t | 2 | 3.2 | 5 | 8 | 10 | 10 |
| Te whānuitanga o te tere hurihuri o te tēpu mahi | r/min | 10~315 | 6.3~200 | 5~160 | 3.2~100 | 2~62 | 2~62 |
| Te taahiraa tere hurihuri o te tēpu mahi | taahiraa | 16 | 16 | 16 | 16 | 16 | 16 |
| Te taipana mōrahi | KN m | 10 | 17.5 | 25 | 25 | 32 | 35 |
| Te haere whakapae o te pou taputapu poutū | mm | 570 | 700 | 915 | 1210 | 1310 | 1600 |
| Te haere poutū o te pou taputapu poutū | mm | 570 | 650 | 800 | 800 | 800 | 800 |
| Te mana o te motuka matua | KW | 22 | 22 | 30 | 30 | 37 | 45 |
| Taumaha o te mīhini (tata) | t | 6.8 | 9.5 | 12.1 | 19.8 | 21.8 | 30 |