The TB-3 bụ ihe niile na-metal ugbo elu nke ígwè ewu, dị ka otu n'ime aghụghọ si Andrei Tupolev si imewe ụlọ ọrụ na-dabeere na 1918-onwards niile na-metal ugbo elu imewe omume na technology sụrụ ụzọ site Hugo Junkers. The etiti e mere nke V-ngalaba okporo osisi kpuchie na-abụghị mesikwuru corrugated akpụkpọ sitere na site 0.3 mm (1⁄64 na) na 0.8 mm (1⁄32 na) na ọkpụrụkpụ. The corrugations bụ 13 mm (0.51 na) na miri emi 50 mm (1.97 na) iche. The canvertile nku na-akwado site anọ tube-ngalaba spars. Na 1934, ekele mmepe nke siri ike ígwè alloys, na nku na-amụba si 39.5 na 41.85 mita (129.6 na 137.3 ft) na a concurrent nku ebe na-amụba si 234.5 sq m (24.6 na 2,547 sq ft) na onye ọ bụla na-aga n'ihu na-elu-metal turbines, na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ
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