| Tauira | Rōrahi (m³) | Te kaha/puranga (kg) | Te Wā Whakaranu | Te ōritetanga (CV ≤ %) | Mana (kw) |
| SSHJ0.1 | 0.1 | 50 | 30-120 | 5 | 2.2(3) |
| SSHJ0.2 | 0.2 | 100 | 30-120 | 5 | 3(4) |
| SSHJ0.5 | 0.5 | 250 | 30-120 | 5 | 5.5(7.5) |
| SSHJ1 | 1 | 500 | 30-120 | 5 | 11(15) |
| SSHJ2 | 2 | 1000 | 30-120 | 5 | 15(18.5) |
| SSHJ3 | 3 | 1500 | 30-120 | 5 | 22 |
| SSHJ4 | 4 | 2000 | 30-120 | 5 | 22(30) |
| SSHJ6 | 6 | 3000 | 30-120 | 5 | 37(45) |
| SSHJ8 | 8 | 4000 | 30-120 | 5 | 45(55) |
| Ripanga o ngā Tawhā Hangarau o te Raupapa SDHJ | ||
| Tauira | Te Kaha Whakaranu mō ia Puranga (kg) | Mana (kw) |
| SDHJ0.5 | 250 | 5.5/7.5 |
| SDHJ1 | 500 | 11/15 |
| SDHJ2 | 1000 | 18.5/22 |
| SDHJ4 | 2000 | 37/45 |
He taahiraa matua te whakaranu i te whāngai i roto i te tukanga whakaputa whāngai. Ki te kore te whāngai e whakaranua tika, e kore e tohatoha tika ngā kai me ngā matūkai ina hiahiatia te whakaputanga me te whakapūkara, ina whakamahia rānei te whāngai hei penupenu. Nō reira, he mea nui te mahi a te mīhini whakaranu whāngai i roto i te tipu pellet whāngai nā te meahe pānga tika ki te kounga o ngā pirepire whāngai.
Ka whakamahia ngā mīhini whakaranu whāngai heihei hei whakaranu ōrite i ngā paura mata, ā, i ētahi wā ka hiahiatia he taputapu tāpiri wai hei tāpiri i ngā matūkai wai kia pai ake ai te whakaranu. Kia oti te whakaranu i te nui o te wai, kua rite te rauemi mō te hanga pirepire whāngai kounga teitei.
He rerekē ngā rahi me ngā kaha o ngā mīhini whakaranu whāngai heihei, i runga i te nui o te whāngai e hiahiatia ana. Ka taea e ētahi mīhini te tukatuka i ngā rau kirokaramu o te whāngai mō ia puranga, ko ētahi ia ka taea te whakaranu i ngā tana o te whāngai i te wā kotahi.
He peere nui, he pahu rānei te mīhini, he mata hurihuri, he hoe rānei hei miro, hei whakaranu i ngā kai ina tāpirihia ki te peere. Ka taea te whakarite i te tere o te hurihuri o ngā mata kia tika ai te whakaranu. Kei roto hoki i ētahi mīhini whakaranu kai heihei he pūnaha pauna hei ine i te nui o ia kai e tāpirihia ana ki te kai.
Kia oti te whakaranu i ngā kai, ka tukuna te kai mai i te raro o te mīhini, ka haria rānei ki tētahi whare rokiroki hei tohatoha ki te pāmu heihei i muri mai.