Wind-propelled apparatus

Details Wind-propelled apparatus Wind-propelled apparatus

1978-05-30

1983-03-08

Butler, Douglas C.

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

114 91, 114 97, 114102, B63B 1502, B63C 700, B63H 904, B63H 910

Patent

active

RE0311677

ABSTRACT:
Wind-propelled apparatus in which a mast is universally mounted on a craft and supports a boom and sail. Specifically a pair of curved booms are arcuately connected athwart the mast and secure the sail therebetween, the position of the mast and sail being controllable by the user but being substantially free from pivotal restraint in the absence of such control.

REFERENCES:
patent: 2353007 (1944-07-01), Blackman
patent: 3057316 (1962-10-01), Hansen
patent: 3141435 (1964-07-01), Moffitt, Jr.
patent: 3173395 (1965-03-01), Laurent
patent: 3349741 (1967-10-01), Herbst
Haffenreffer, C. W., published by Herreschoff Manufacturing Co., of Bristol, R.I., received in N.Y. Public Library, 1940.
"The Wishbone Rig", published Feb. 1957, reprint Nov. 1963, Amateur Yacht Research Society (A.Y.R.S.).
"Wishbone Rig" by Lt. General Sir Frederick A. M. Browning, published in Yachting World of Jan. 1956, pp. 26-27.
Yachting World, Jan. 1956, p. 27.
Crosby, W. F., article "The Wishbone Rig on Small Boats", Aug. 1935 issue of The Rudder magazine, vol. 51, pp. 37-39.
The Dinghy Year Book, 1961, The Unstayed Mast, pp. 22-27, Coles Limited.
Darby, S. Newman, "Sailboating: Exciting New Water Sport", Popular Science, Aug. 1965, pp. 138-141.

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