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1-18 of 18
Keywords: keel
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Proceedings Papers
Paper presented at the SNAME 22nd Chesapeake Sailing Yacht Symposium, March 18–19, 2016
Paper Number: SNAME-CSYS-2016-014
... This paper describes insights into keel and rigging loads obtained through a data acquisition system fitted on the fleet of Volvo 65 yachts during the 2014-2015 Volvo Ocean Race. In the first part keel fin stress spectra are derived from traces of canting keel ram pressures and keel angle...
Proceedings Papers
Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-013
... for less experienced and female teams. This is new class rules, as well as various one design options a one design class that is competing at the pinnacle of the including multihull, fixed keel water ballasted boats or sport, so it needs to be built to an unprecedented level of significantly smaller...
Proceedings Papers
Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-009
... design, including a parametric study of hull form as it relates to stability at high angles of heel, the development of bespoke parametric design and analysis tools using the graphical algorithm editor Grasshopper, a towing tank campaign at the Wolfson Unit to investigate the behavior of three keel...
Proceedings Papers
Paper presented at the SNAME 21st Chesapeake Sailing Yacht Symposium, March 15–16, 2013
Paper Number: SNAME-CSYS-2013-003
... displacement oscillation gyradii inertia precision olympic games variation hull correction center plane kgm 2 keel amplitude sway equation THE 21st CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2013 Bifilar Suspension Measurement of Keelboat Inertia Parameters Peter Hinrichsen...
Proceedings Papers
Paper presented at the SNAME 20th Chesapeake Sailing Yacht Symposium, March 18–19, 2011
Paper Number: SNAME-CSYS-2011-006
... it is not uncommon to incorporate lifting or swing keels to reduce draft at specified times. The effects on aspect ratio and stability are relatively easy to approximate for such a vertical shift in volume, the effects on the free surface are much more difficult to accurately predict. For this purpose some novel...
Proceedings Papers
Paper presented at the SNAME 19th Chesapeake Sailing Yacht Symposium, March 20–21, 2009
Paper Number: SNAME-CSYS-2009-002
... THE 19th CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS, MARYLAND, MARCH 2009 A new Method for the Prediction of the Side Force on Keel and Rudder of a Sailing Yacht based on the Results of the Delft Systematic Yacht Hull Series by: J. A. Keuning and B. Verwerft Delft University of Technology...
Proceedings Papers
Paper presented at the SNAME 18th Chesapeake Sailing Yacht Symposium, March 2–3, 2007
Paper Number: SNAME-CSYS-2007-004
... side force rudder coefficient expression formulation keel 3 hull leeway angle different keel downwash angle residual resistance keel upright condition reduction rudder angle resistance appendage yaw balance sailing yacht THE 18th CHESAPEAKE SAILING YACHT SYMPOSIUM ANNAPOLIS...
Proceedings Papers
Paper presented at the SNAME 16th Chesapeake Sailing Yacht Symposium, March 3, 2003
Paper Number: SNAME-CSYS-2003-001
... hull. To formulate these improvements use is being Tc - draft of canoe body made from the extensive database of the Delft cre - root chord of extended keel Systematic Yacht Hull Series (DSYHS) containing yaw ct - tip chord of keel moment measurements under various conditions with Te - effective depth...
Proceedings Papers
Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-010
... There has been in the past general dissatisfaction expressed by the naval architects involved in tank testing 153 Roll Moment Cells I, 'l Flex Links I / I Cruciform I Drag Load Cell -- / Side Force Cells Fig. I Isometric view of cruciform, roll frame and keel pan objective was a repeatability in drag...
Proceedings Papers
Paper presented at the SNAME 13th Chesapeake Sailing Yacht Symposium, January 24–25, 1997
Paper Number: SNAME-CSYS-1997-012
... of the appendages, i.e. keel and rudder. For the sake of consistency the original DSYHS was tested with one and the same set of appendages for all models, necessary for the heeled and yawed tests, which in design reflected the standards of the mid seventies for a hull like the Parent Model #1. The wide variety...
Proceedings Papers
Paper presented at the SNAME 11th Chesapeake Sailing Yacht Symposium, January 28–30, 1993
Paper Number: SNAME-CSYS-1993-020
... information to the American Syndicates. new zealand rudder cup technology keel maryland partnership gretzky syndicate appendage usa baltimore international america pact aft rudder overview james america - THE ELEVENTH CHESAPEAKE SAILING YACHT SYMPOSIUM The Partnership for America's...
Proceedings Papers
Paper presented at the SNAME 9th Chesapeake Sailing Yacht Symposium, March 11, 1989
Paper Number: SNAME-CSYS-1989-001
..., structural details, and rudders and keels. For those interested, an appendix gives a brief Emphasis is on those aspects that have been history of the Guide and the role of the found to deserve attention in that they: are not Offshore Racing Council and ABS in its covered in specific detail in the ABS Guide...
Proceedings Papers
Paper presented at the SNAME 8th Chesapeake Sailing Yacht Symposium, March 7, 1987
Paper Number: SNAME-CSYS-1987-006
... In this paper, foil and planform parameters which govern the level of viscous drag produced by the keel of a sailing yacht are discussed. It is shown that the application of laminar boundary-Layer flow offers great potential for increased boat speed resulting from the reduction in viscous drag...
Proceedings Papers
Paper presented at the SNAME 7th Chesapeake Sailing Yacht Symposium, January 19, 1985
Paper Number: SNAME-CSYS-1985-001
... Model tests with five different keels in combination with one particular hull form have been carried out in the Delft Towing Tank. The variations include a plain deep keel, a keel-centre board, a plain restricted draft keel,a "Scheel" keel and a "winglet" keel. Based on the experimental results...
Proceedings Papers
Paper presented at the SNAME 5th Chesapeake Sailing Yacht Symposium, January 17, 1981
Paper Number: SNAME-CSYS-1981-008
... resistance leeway angle naval architect knot coefficient sideforce keel procedure sailing yacht ship hull lwl designer canoe body world trade center suite 1369 This study develops a simplified comparative procedure for use in preliminary yacht design to predict Equilibrium...
Proceedings Papers
Paper presented at the SNAME 4th Chesapeake Sailing Yacht Symposium, January 20, 1979
Paper Number: SNAME-CSYS-1979-004
... The purpose of this paper is to describe the results of model tests for a series of three keels; two at constant draft; two at constant aspect ratio; all at constant taper ratio and thickness ratio. These keels form part of a standard series developed by Pierre De Saix at Davidson Laboratory...
Proceedings Papers
Paper presented at the SNAME 2nd Chesapeake Sailing Yacht Symposium, January 18, 1975
Paper Number: SNAME-CSYS-1975-008
... No. 7 . _QQ THE SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS 74 Trinity Place, New York, N.Y., 10006 Paper to be presented at The Second Chesapeake Sailing Yacht Symposium Annapolis, Maryland, January 18, 197!5 Yacht Keels-An Experimental Study Pierre DeSaix, Member Stevens Institute...
Proceedings Papers
Paper presented at the SNAME 1st Chesapeake Sailing Yacht Symposium, January 19, 1974
Paper Number: SNAME-CSYS-1974-011
... Irwin Yacht and Marine Corp., St. Petersburg, Florida h Hull Minus Keel and Rudder ABSTRACT k Keel r Rudder M:ldem ocean racing yachts often enoounter oon siderable difficulty in steering and directional DEFINITICNS stability. In order to understand and oorrect these Stability difficulties...