Dakatar da hannu biyu masu tsayi da tsayi ba tare da wani sharaɗi ba
Dakatarwar hannu mai zaman kanta ta tsawon hannu biyu tana nufin dakatarwar da kowace ƙafar gefe ke da firam ɗin ta cikin hannaye biyu masu tsayi kuma ƙafafun za su iya tsalle ne kawai a cikin jirgin tsayin motar. Ya ƙunshi hannaye biyu masu tsayi, abubuwan roba, masu ɗaukar girgiza da sandunan daidaita motsi. An ɗaure ƙarshen hannun ɗaya da ƙugiya, ɗaya a saman ɗayan kuma, ɗayan ƙarshen kuma an haɗa shi da ƙarfi da ɗayan hannun. An samar da rami mai kusurwa huɗu na ciki na shaft ɗin hannu mai tsayi don shigar da maɓuɓɓugar sandar juyawa mai siffar ganye. Ƙarshen ciki na maɓuɓɓugar sandar juyawa mai siffar ganye an ɗaure shi zuwa tsakiyar katako da sukurori. An sanya maɓuɓɓugar sandar juyawa biyu a cikin katakon bututun su.
