Ko te āhuatanga matua o te mīhini takai poutū whakawhiti
1. Ka taea te whakarite i te teitei o te koiri takai kia rite ki ngā hiahia o te koiri. Kāore e rerekē te tūranga o te tēpu mahi, ā, he māmā noa iho, he watea hoki te whakahaere.
2. Tere whakahaere auau rerekē, he maeneene, he pono hoki te aukati. Ka taea te whakarite noa i te maha o ngā koiri takai, mā te hangarau whakamua me te whakamuri me te mahi mahara whakaweto. Ka taea e te pereti taupoki poka te whakawhānui me te whakaiti noa i runga i te diameter o te koiri, he haumaru, he pono hoki.
| Whakaahuatanga | Wāhanga | Ngā Tawhā Hangarau | |||
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| DLR-10 | DLR-15 | DLR-20 | DLR-25 |
| Te kaha amo mōrahi o te kōpae | T | 10 | 15 | 20 | 25 |
| Te whānui whakahokinga mōrahi o te kōpae | mm | Φ2200 | Φ2800 | Φ3000 | Φ3000 |
| Diameter o te Kōpae | mm | Φ1600 | Φ1800 | Φ2000 | Φ2000 |
| Teitei mahi kōpae | mm | 700 | 700 | 800 | 850 |
| Teitei o te kōpae i runga ake i te whenua | mm | 400 | |||
| Tere kōpae (whakatikatika kore-taahiraa) | rpm | 0~10 | 0~5 | ||
| Te taipana mōrahi o te kōpae | Nm | 12000 | 18000 | 21000 | 28000 |
| Te kukū mōrahi o te arataki | N | 9000 | 12000 | ||
| Te mana o te motuka hurihuri kōpae | kw | 11 | 15 | 18.5 | |
| Te whiu hiki mōrahi | mm | 2500 | 3000 | ||
| Tere hiki | M/min | 1 | 0.6 | ||
| Te mana o te motuka hiki | KW | 11 | 15 | 18.5 | |
| Taumaha | T | 19.5 | 21 | 22 | 26 |
| Mana Katoa | KW | 25 | 30 | 35 | 42 |