Ki te kore ngā rārangi whakarite mō ngā waka hokohoko me ngā pūtētē i whakamahia hei whakapuaki i ngā korero tika, hei tā tātou āhuatanga matua i te whakahaere i ngā waka hokohoko, ka tuku tātou ngā whakaritenga whakarite i hangaia hei whakamana i ngā mahi nui. Hei tauira, ngā rārangi hāpora (e whai ana i ngā whakahaere roa) he hāpora matihiko (te rahi 28L), e whakatika ana i te urunga ki te tirotiro i te taumata kuhu ±15mm, me te taurunga 800N·s/m hei whakarite i te haere pai. Ngā rārangi harakeke, i hangaia hei whakamahi i ngā mahi hanga, he harakeke itiiti ake (te whanui 90mm, te ruwhitu 12mm) me ngā poraka parabolika, e taea ana te whakangungu i ngā pūtake huarahi e pa ana i te 18 tono. Ngā rārangi huaki, e pai ana ki ngā whenua korewhai, kei reira 300mm o ngā haerenga vertikara, me ngā huaki whakamutunga nihoniho (te kuhu 12,000N) hei whakangungu i te whiu whenua. Ko ngā rārangi katoa kei raro i ngā pū kawe whakangungu (te whatitiri 45mm) hei whakangungu i te whiu horahora e 40%. Ki te whakaaetia ngā whakahaere ā-motu—hei tauira, te whakatō kōpaki, te whakatiki nui, rānei te mahi korewhai—ka taea e ō tātau ingeniā te whakarite i ngā momo rārangi me ngā tuhinga whakarite, ngā waehanga whakahaere, me ngā raraunga whakamana. Tuku tonu ki tā tātou rōpū hokohoko ki te kōrero mō ō uaua whakahaere me te whakahokia i tētahi pūrongo take matua.