Excerpt from Report of a Board of United States Naval Engineers on the Herreshoff System of Motive Machinery, 1881
Sir: The undersigned, appointed a board by the department's order, of November 5, 1880, to proceed to Bristol, R.I., and there make such trials with the steam-yacht Leila, embodying the latest improvements in the Herreshoff system of motive machinery, as would enable them to give an opinion of its applicability to naval vessels of the Leila's dimensions, and of the advisability of so applying it - reporting the same to the Bureau of Steam Engineering, accompanied by such data and drawings as would enable the department to follow the reasons for the opinions expressed and the recommendations made - have the honor to state that we proceeded as directed, and made a careful study of the system in question, collecting the required data and drawings, and making such experiments as appeared proper to us for a complete elucidation of the qualities of the Herreshoff system of motive machinery.
The entire expense of this investigation was borne by the Herreshoff Manufacturing Company, which furnished the vessel and crew, placing both at our disposal for the purpose of the experiments, and leaving us entirely untrammeled in their conduct, but supplying every facility for making them. The great cost of such trials, which is quite serious for individuals, prevented us from availing ourselves of this liberality any farther than was absolutely necessary for the requisite experimental determinations. We varied the conditions of the machinery as much as possible without resorting to costly alterations or readjustments, and believe our experiments will be found sufficiently exhaustive, not only for the immediate purpose, but also for the solution of some important problems in steam-engineering not hitherto experimentally examined.
The steam-yachts of the Herreshoff Manufacturing Company have long been celebrated for their high qualities.
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