Bayan yakin, L-class ya shiga cikin gwaje-gwaje na sabon torpedoes da kayan aikin hydrophone a gabas da yammacin gabas kafin a kashe su a 1922 da 1923.
Tabbas, wani nau'i mai mahimmanci na jumla shine "Bayan yakin, L-class sun shiga cikin gwaje-gwaje na sabon torpedoes da kayan aiki na hydrophone a gabas da yammacin gabas kafin a kashe su a 1922 da 1923 kuma an yi amfani da su a cikin kwangilar kwangilar Amurka a 1933 a karkashin Yarjejeniyar Naval na London da ke iyakance makamai na ruwa. "