Masu kera kayak na kwale-kwale suna gaya muku cewa kowane kayak na iya samun abin tuƙi. Kauri na K1 da K2 ba za su wuce ba 10 mm; ko K4 ba zai wuce ba 12 mm; ana iya tsara jirgin a matsayin nau'in cikin jirgi (kayak irin) maimakon nau'in waje (hawan igiyar ruwa da nau'in gudun kan ruwa).
Kayak rudder na'urar haɗi ce a kan kayak. Na'ura ce mai sauƙi don sarrafa jagorancin kayak, ciki har da igiya, sitiyari, igiya rudu, hannun jari, riƙaƙa. Wanda ya kera kwale-kwale na kayak ɗin robobi ya gaya muku cewa da gaske ana samun safa a kan allo na ɗan wasan. Lokacin da dan wasan ya yi tagumi, Ƙafafunsa na kan allon feda. Lokacin da kayak yana buƙatar juyawa, yana amfani da ƙafar sa don motsa hannun rigar. Hannun rudder yana kewaye da madaidaiciyar jujjuyawar axis. Lokacin da “T”-hannun jari mai siffa ya juya, Ana tuƙa igiyar tuƙi sannan aka ja sitiyarin da ke daura da ɗayan ƙarshen igiyar igiyar.. An haɗa sitiyari damtse da rudder, don haka igiyar tudu a haƙiƙa tana korar ruwan tudu don juyawa, haka Kayak ya juya.
Dokokin gasar sun tanadi cewa: wanda ke kera kwale-kwalen kayak na robobi ya gaya muku cewa idan an tsawaita tsawon kwangin kayak saboda shigar da rudder, dole ne a iyakance kauri na rudder ruwa. Kaurin ganye kada ya wuce 12mm.
