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mini-submarine

Update news mini-submarine

Truong Sa submarine could not dive in the test at sea
Vietnamnet global

Truong Sa submarine could not dive in the test at sea

 VietNamNet Bridge – “The experiment was not successful. It could not fulfill the things we planned,” Nguyen Quoc Hoa, the inventor of Truong Sa submarine, after the test at sea on May 30.

In pictures: Mini-submarine Truong Sa tested at sea
Vietnamnet global

In pictures: Mini-submarine Truong Sa tested at sea

VietNamNet Bridge – The mini-submarine named Truong Sa of a businessman in Thai binh Province was tested at sea on May 30, after the successful trials in a tank and a lake. However the test had to stop because the propeller was broken.

Businessman tests his mini-submarine in lake
Vietnamnet global

Businessman tests his mini-submarine in lake

After about two hours of testing in a lake in a private industrial zone in Thai Binh City, the mini submarine named Truong Sa, manufactured by a local businessman, could dive and resurface at the witness of hundreds of people.