Booty - the free software
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| The FreeShip modelling kernel is purely based on subdivision surfaces. It uses a mixture of loop subdivision and Catmull Clark subdivision surfaces called quad-triangle subdivision. This enables the user to design the most complex surfaces with only one surface. Controlpoints can be added in areas only where they are needed. Holes and knuckle-lines are easily incorporated. The number of controlpoints may be drastically reduced compared to classical NURB surface modelling. Intersectionlines such as stations, buttocks and waterlines may be added to the model and are updated realtime when a controlpoint is being dragged. Adjustable precision by controlling the subdivision level. An Integrated shading engine provides stable software rendering without the need for 3rd party software or dll’s. |
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| Some very interesting and rare piece of software tools for calculating the shell penetration on the naval armor plates. |
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| The University of Michigan software environment for the conceptual design of displacement type ships. This collection of software has been developed over the years to support the teaching of conceptual ship design within the undergraduate curriculum of the Department of Naval Architecture and Marine Engineering. The following programs are available free: Power Prediction Program (PPP), Propeller Optimization Program (POP), Maneuvering Prediction Program (MPP) , Seakeeping Prediction Program (SPP) and Gear Sizing Program (GSP. |
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| Autolaunch offers absolutely free of charge software to assist with the logic of how best to cut anything from either a stock length (lineal - length) or rectangular sheet (area nesting of rectangular panes from larger stock sheets). It doesn't matter what the product is that you need to cut, you simply use a material description that best suits you needs. Define the simple rules and you are away. |
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| Curve Generator 1.2 Beta is free for personal use. You can copy to clipboard and then Edit -> Paste in Rhino. Win32 executable. Requires OpenGL drivers. |
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| Magvar Magnetic variation and great circle course calculator MagVar computes and displays magnetic variation for anywhere in the world between 60 deg. N and 80 deg. S. This version is functionaly identical to the applet displayed in Almanac On-Line but written as a stand alone program to run on your own computer. |
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| XTide; a free tide prediction software that uses full harmonic method. Windows and Unix versions available. |
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| Minos If you're looking for full-function solid modeling capabilities in a freeware software, look no further. Minos delivers world-class solid modeling in an, easy-to-learn, easy-to-use package. MINOS extends the capabilities of your existing 2D-or 3D-wireframe-based systems, so you can take advantage of all the benefits solid modeling offers right away. |
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| Blender; a very capable, 3D modeling, rendering and animation software for free! |
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| WireSizer2.0 gradually developed from a spreadsheet program to this version written in Visual Basic 3.0. The intent of WireSizer 2.0 is to facilitate the design of a marine electrical system in accordance with Standards and Recommended Practices for Small Craft of the American Boat and Yacht Council and NFPA 302 Fire Protection Standard for Pleasure and Commercial Motor Craft 1994 Edition. WireSizer 2.0 calculates the appropriate wire size with regard to the current load and circuit length. |
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| HullDrag/32 is a new application that estimates the resistance of a sailing yacht's hull. The following six resistance categories are calculated: Hull frictional resistance, keel frictional resistance, rudder frictional resistance, heeling resistance, residuary resistance, surface roughness resistance. HullDrag/32 processes hull description files that define round bilge ( or similar ) sailing yachts. |
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| Hullform6S DOS based freeware version of Hullform design software for amateurs and students. |
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| CareneCAD is a software package developed by Robert Laine; for designing hard chinned boat hull to be constructed in plywood or sheet metal. CareneCAD software provide you with the exact development of all panels in flat sheets. Carene CAD allow you to save the line offsets and developed panels in files for export to a 3D CAD software. |
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| CarlsonDesign a simple, interactive, visual 3-d hull design Windows program for modeling and developing panels for plywood or metal chine construction. Find Center of Buoyancy, Center of Lateral Area, Length Waterline, and righting moment (pitched or heeled) among other calculations. Create patterns for stem, stern, bulkheads, up to 6 chines, and up to 8 frames for construction. Includes a 3, 4, or 5 sheet nesting and hand-plotting capability and output to VRML, DXF, HPGL, or Carlson plotters. Includes sample designs and Word 6.0 manual. |
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| SailcutCAD are sail design and plot software packages developed by Robert Laine;. SailcutCAD allows you to draw and visualize your own sail and compute the accurate development of all panels in flat sheets. These packages can be downloaded freely from the download section of this site for evaluation purposes. Latest Versions: Sailcut 4.09; classical sails, Sailcut 6.08 Spinnakers, Sailcut 8.05 Chinese Junk sail. |
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| Bearboat is Robert Livingston's hull design program. It may aid you in designing your own kayak, canoe or rowboat. There are also links here to a drag prediction spreadsheet. |
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| Planing hull resistance and propulsion with surface propellers. This is the program developed at Arneson Marine, and it was used to estimate performance of new and existing planing hull designs with Arneson Surface Drives. The program is a little obsolete and a little clunky - you can tell that not much attention was paid to a slick user interface, because it was originally written only for in-house use. The program was written in QuickBasic. |
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last
update at
23-May-2007
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