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Bell Kite (replica)
Alexander Graham Bell, inventor of the telephone, also experimented with aeronautics beginning in the 1890s. While living in Nova Scotia, Bell embarked on a program of kite tests aimed towards establishing the most stable form of kite capable of carrying a man and an engine. He decided upon the tetrahedral cell kite, a structure found to possess great lift as well as strength. In 1907, a huge tetrahedral kite lifted a man to 200 feet while towed behind a boat, however a powered version of the kite proved unsuccessful. Nonetheless, Bell's kite experimentation led him to other more conventional designs which eventually resulted in a successful powered aircraft.
"Bell Kite (replica) - Alexander Graham Bell, mvumbuzi wa simu, pia alijaribu na aeronautics kuanzia 1890s.""" Alipokuwa akiishi Nova Scotia, Bell alianza programu ya majaribio ya kites iliyoelekezwa kuanzisha aina thabiti zaidi ya kites inayoweza kubeba mtu na injini. Aliamua kutumia ndege aina ya tetrahedral cell kite, ambayo iligunduliwa kuwa na uwezo mkubwa wa kuinua na pia nguvu. Mnamo mwaka wa 1907, ndege kubwa ya tetrahedral iliinua mtu hadi urefu wa mita 200 wakati ikibebwa nyuma ya mashua, lakini toleo la ndege hiyo lililokuwa na nguvu halikufanikiwa. Hata hivyo, majaribio ya Bell ya ndege ya kuruka yalimwongoza kwenye miundo mingine ya kawaida ambayo hatimaye ilisababisha ndege yenye nguvu iliyofanikiwa.