An item referred to the magazine Mitthelilungen aus dem Gebiete des Seewesens reporting that the US Navy decided to let an American factory manufacture torpedoes of the Whitehead-design for her. This decision was probably caused with by the worse results while testing the Howell torpedo.(1)
Note
1. Invented in 1870 by the USN lieutenant commander John Adams Howell (16 March 1840 Bath, New York-10 January 1918 Warrenton, Virginia)using a large flywheel spun for driving the propellers. Much cheaper as the opponent the Whitehead-torpedo although very noisy. There were just fifty of these torpedoes manufactured as the Whitehead torpedo superseded the Howell torpedo.
There is just a second copy found of a Howell torpedo! See on the link http://articles.latimes.com/2013/may/17/local/la-me-torpedo-dolphins-20130518
