Tauira Hm4e-0009C
Ko te arai waipuke aunoa Hydrodynamic e tika ana ki te tomokanga me te putanga o nga Teihana, he whakaurunga whakauru anake.
Ki te kore he wai, ka taea e nga waka me nga tangata hikoi te haere ma te kore arai, kaua e mataku kei pakaru te waka; I roto i te take o te wai hoki-rere, te tukanga pupuri wai ki te kaupapa buoyancy wai ki te whakatutuki i te whakatuwhera aunoa me te katinga, e taea te akakoromaki i te ua ohorere me te āhuatanga waipuke, ki te whakatutuki i te 24 haora o te mana waipuke maramarama.