Er werden vier modellen ontworpen van het type 1, 2, 3 en 4 op basis van het succesvolle onbemande torpedotype 93 (24-inch zuurstof/kerosine aangedreven).
Six models were designed, the types 1, 2, 4, 5 and 6 were based on the Long Lance type 93 torpedo (24 inch oxygen/kerosene), and the Type 10, based on the Type 92 torpedo (21 inch electric).WikiMatrix WikiMatrix