The first submarines with Busch - Sulzer engines were the United States L - class submarines L - 5 through L - 8 , designed by the Lake Torpedo Boat Company .
The first submarines with Busch - Sulzer engines launched 1916 - 17 .
The first submarines with Busch - Sulzer engines were the United States L - class submarines L - 5 through L - 8 , designed by the Lake Torpedo Boat Company and launched 1916 - 17 .