By Thomas E. Doll
SBC Helldiver in motion КНИГИ ;ВОЕННАЯ ИСТОРИЯ Издательство: Squadron/Signal publicationsСерия: plane 151Автор(ы): Thomas E. DollЯзык: EnglishГод издания: 1995Количество страниц: 51ISBN: 0-89747-331-0Формат: pdf (72 dpi) 2020x1640Размер: 20.3 mbRapid fifty one
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0. At that point he abandoned further work on the wing sail concept. 49 III WIND SHIP BASIC RESEARCH GENERAL PROGRAM It is important that used in the research Therefore a synopsis report is also still the reader understand the basic premise for and the method and procedures reported to the United States Maritime Administration (MARAD) in 1981  of that research effort has been included as Appendix A. The basic research available. First, it was our thesis that performance of sailing ships, sail-assist and or motor sailing ships could be accurately modeled and predicted from available data, and that by modeling route weather statistics and economic parameters we could accurately predict the performance of any given ship on a given route with or without sail power.
Selected examples are analysed and discussed in Section IX. Some 58 IV 2 3000 f t CAT RIG DESIGN, CONSTRUCTION & TESTING IN COMMERCIAL SERVICE MINI LACE Ship Characteristics In January 1981 Wind Ship supported by Ceres Hellenic Shipping Enterprises Ltd of Piraeus Greece commenced design of a sail assist rig for the 3000 DWT general purpose cargo ship m/v MINI LACE, a vessel operating in a tramping mode out of New Orleans, LA. P.
Figure 2 shows the outboard profile of a three tower Flettner Schooner as he conceived it. In section the airfoils were symmetrical, had a thickness-to-chord ratio of 17% and the flap was 33% of the chord length (Figure 3). Fig. 2 Three-Tower Flettner schooner Fig. 3 Flettner wing sail section The flaps had small trim tabs in the trailing edge. For structural reasons Flettner changed the overal configuration of his wing sails to a "triplane" configuration and placed the auxiliary rudder or control tab on a tail behind the centerline plane (Figure 4).