Free!Ship 3.4+ - Changelog

What's new in Free!Ship 3.4+:

April 1st, 2013

· Specify the range of FPP series Zvezdkinoy per curves of the propeller in the free water   
· Set rotative speed propeller default of 100 rev. in minutes   
· The abscissa of the bow perpendicular was set equal to project length      
· Added a series of five-blade surface piercing propeller KSRI SPP-5  (for x32) 
· Added output engine power with a 10% premium (on the recommendation of the diesel firm MAN)   
· Added 2 new multi-lingual messages
· Made more than 40 small changes and interface corrections

What's new in Free!Ship 3.39+:

February 15th, 2013

· Added a series of FPP Zvezdkinoy ZV-3-50 ... 110 curves in the calculation of the propeller in open water (for x32)
· Added two series of ducted propellers (E-4-57 and VIT-4-35, 58, 75)
· Added two series of ducted propellers Kaplan
· Fixed value range P / D in the calculation of the GV curves
· Added output parameters GV and power at rated conditions for FPP series T, M, Z, ZM, ZV, E, VIT, Ka
· Added 10 new multi-lingual messages

What's new in Free!Ship 3.38+:

February 4th, 2013

· Added 5 series FPP in calculation of the propellers in free water (for x32 only)   
· Fixed error in output Weights.txt at zero density of the material and thickness of the layers   
· Changed format data in the file Weights.txt, added the type of the (three-or rectangular)
· Added 30 new multi-lingual messages
· Made more than 20 small changes and interface corrections

What's new in Free!Ship 3.37+:

January 14th, 2013

· Added 7 series propellers (ducted propellers, CPP and CRP)ÿÿÿ
· Increased the range of power of the main engine (

What's new in Free!Ship 3.36+:

December 10th, 2012

New features:
· Added a limited distance between the catamaran hulls in the calculation of the resistanceÿÿÿ
· Fixed calculation Kdt in method Holtrop-84/88ÿÿÿ
· Added import the results of calculation of resistance for propeller elements calculation with setted engine (without 3D model making)
· Added output of calculation results propeller and engine file Propres.datÿÿÿ
· Added import calculation results propeller and engine propulsion calculation chartÿÿÿ
· Added import calculation results propeller and engine into account acceleration, braking and reversingÿÿÿ
· Made more than 20 small changes and interface corrections

What's new in Free!Ship 3.35+:

December 10th, 2012

New features:
· Fixed an error in the calculation of the resistance for hard-chine catamarans
· Fixed calculation cross curves for keel boats, etc.
· Fixed calculation of the minimum freeboard for keel boats, etc.
· Allocated methods of calculating the resistance of high-speed round bilge ships in a separate group
· Allocated methods of calculating the resistance of catamarans and trimarans in a separate group
· Changed the format of the data in the file weight distribution (Weights.txt), added start and end x-coordinates of facets
· Added more than 100 new multi-lingual messages
· Made more than 20 small changes and fixes for GUI

What's new in Free!Ship 3.33+:

July 25th, 2012

· Added a calculation of weight distribution (Weights.txt) to calculate the strength of
· Added a deadrise angle in the Clement-Poup method
· Added the output of the angle of trim in Bunkov and Radojcic methods
· Added calculation of resistance for a small displacement vessels method Ridgeley-Nevitt-1967 and UBC-1993
· Combined three methods of calculating the towing resistance of small displacement vessels in one group
· Added a graphical comparison of the resistances of three methods for small displacement vessels
· Added Chinese Language (Not tested)
· It's added 47 new multilanguage messages
· It's made more than 30 small changes and interface corrections

What's new in Free!Ship 3.32+:

July 25th, 2012

· Added to the calculation of the planing ships on the Savitsky output parameters for the design speed planing and draft
· Fixed a bug in output of distances between selected points
· Increased the maximum number of stations and waterlines in the calculation of the Bonjean scale and SACs to 100.
· Added speed limits for the calculation methods for the planing ships Radojcic, Robinson and Compton.
· Recompiled computational modules for compatibility with Windows 7 (x64) (Radojcic, Robinson and Compton methods)
· Added on / off recording the results of the calculation of a family of SAC (SACs.txt) and Bonjean scale (Bonjean.txt) in files (off by default).
· Added output to a file of stern's coordinates (Sterns.txt)
· It's added 2 new multilanguage messages
· It's made more than 40 small changes and interface corrections

What's new in Free!Ship 3.3+:

July 25th, 2012

· Applied a new algorithm for model balance
· Added calculation of derivation moment and the increment of the trim angle
· Fixed calculation of coefficients of completeness for keel yachts in the calculation of hydrostatic curves
· Added a calculation method for round bilge highspeed ships Radojcic-1985 series (65 B)
· Added output limits the applicability of Compton, Robinson and Radojcic
· Added a round bilge shapes influence for highspeed ships by Compton, Robinson methods
· It's added 2 new multilanguage messages
· It's made more than 40 small changes and interface corrections

What's new in Free!Ship 3.29+:

July 25th, 2012

· Fixed calculation of the hydrostatics coefficients for yacht with a keel and hull with a dome
· Added calculation of initial stability in a moving coordinate system (with Zmin 0)
· Added calculation of planing ships by the method of Compton (Compton-1986) for the displacement and semiplaning regimes
· Added calculation hard chined planing ships by the method of Robinson (Wolfson-1999)
· Added a calculation for hard chined planing ships by Radojcic-1985's method (62 series TMB)
· It's added 20 new multilanguage messages
· It's made more than 10 small changes and interface corrections

What's new in Free!Ship 3.28+:

July 25th, 2012

· Added saving of data for calculating the aerodynamic characteristics and stability in the course (in FBM file)
· Added the output length of the broken line and the distance between its end points, if you select 5 or more control points.
· Added calculation of aerodynamic forces and yaw moment without drift
· It's added 10 new multilanguage messages
· It's made more than 10 small changes and interface corrections

What's new in Free!Ship 3.27+:

July 25th, 2012

· Added a record-bulb keel fairing below the line for warships in the calculations on how to Fung-Leibman 1995 and Hotrop-1984(88)
· Added a calculation of the aerodynamic characteristics without creating a model ship
· Fixed calculation of the aerodynamic characteristics of the module by Isherwood (now compatible with Win 7 (x64))
· It's added 2 new multilanguage messages
· It's made more than 10 small changes and interface corrections

What's new in Free!Ship 3.26+:

December 19th, 2011

New features:
· Inserted check for the minimum design speed in the calculation of the resistance by the method of Clement-Blount
· Significantly expanded the range of acceptable speed and power in the calculation of the propeller
· Added calculation Cwp and ie on statistical formulas to calculate the resistance by the method of Fung-Leibman (without a model)
· Fixed output window, insert a set of points
· Recompiled computational modules in \Exec directory for compatibility with Windows 7(x64)
· It's made more than 20 small changes and interface corrections

What's new in Free!Ship 3.24+:

December 19th, 2011

New features:
· Tunnel contours of hull in hydrostatics calculation Is added
· Import of calculated speed, resistance and diameter to calculation optimum propeller task Is added
· Fixed bug of calculation of a angle between lines on selected to three and four points
· Fixed bug at resistance calculation on Fung-Lejbman at the task of small speeds
· Calculation of optimum characteristics of hull according to Bunkov Is added for speedboats
· Added SAC and Bonjan scale calculation and output in SAC.txt and Bonjan.txt files
· It's added 7 new multilanguage messages
· It's made more than 10 small changes and interface corrections

What's new in Free!Ship 3.23+:

December 19th, 2011

· Fixed bug of geometry output in format *.GF for imperial system units
· Added in stability calculation an accuracy range (to 1 % from set deposits) at check of equality Zmin=0
· The task of weight and coordinates of the center of weights manually (while it is reserved) Is disconnected in properties of layers
· The output of results of calculation of stability Is added at the press on the printer and in TXT a file
· Calculation and a output of optimum parameters of the planing ships for maximal speed (on M.Bunkov) Is added
· Added 6 new multilanguage messages
· It's made more than 10

What's new in Free!Ship 3.2+:

February 28th, 2011

· The conclusion of the table of results for a series 19 by OST Is corrected
· Selection of all leakpoints Is added
· Immersion deck angle Is added in calculation of stability
· Navigation region influence in calculation of amplitude of rolling and the account of length of a vessel in stability calculation Is added
· Added calculation of weather criterion under the Register of Russia of 2010 and other parameters under requirements IMO A.749
· Display of a ship CoG position if weight loading is set is added
· More faster algorithm of automatic model moving with the set weight loading is applied.
· It's added heeling and triming models (mirrored and to disconnect symmetry in properties of layers for this)
· It's added step-by-step automatic balance models with the set weight loading.
· The graphic output and text output of the area wind center is added.
· The text output of results of calculation of stability is added.
· Calculation of the minimum surface board is added.
· Inclusion of automatic vertical moving of model to baseline is added (by default disconnected)
· Speed of import of VRML files a minimum three times is increased
· At replacement of boundary edges in area of negative ordinates automatic
· zeroing of ordinates is made.
· Added automatic data input (number and diameter of propeller) in resistance
· calculation by Hollenbach, van Oortmerssen and Fung-Leibman methods
· Added input data valid domain in acceleration, free and active brake of ships calcs
· Added vietnamese language .ini file (translated by Le Quoc Van)
· The number of speeds to 10 in calculation on a method of Holtrop-1984(88) is increased

What's new in Free!Ship 3.1+:

December 7th, 2009

New features:
· Added into Mercier-Savitsky method graphics output 15 points
· Added half entrance angle by Holtrop-84 formulae calculation in van
· Oortmerssen's method
· Added calculation power and resistance of semiplaning ships by Mercier-Savitsky method
· Added calculation power and resistance of small ships by van Oortmerssen's
· method (1971)
· Added influence shaft of propeller data for planing ships in Savitsky method calcs
· Added nonsymmetrical layers
· Added leak points under DWL model test in hydrostatics calcs
· Added 5 formulaes for wetted surface area calculation

What's new in Free!Ship 3.07+:

September 23rd, 2009

· Added calculation lateral wind area and distance from DWL to
· centroid
· Added calculation of Dinamic Stability Diagram (DSD)
· Made import lateral wind area and distance from DWL to centroid into DSD
· calculation
· Made import displacement and Z of CoG into DSD calculation
· Added calculation Weather Criteria K (by Russian Registry)
· Added calculation power prediction of planing ships by D.Savitsky method

What's new in Free!Ship 2.96 :

June 18th, 2008

· Added into method Hollenbach-1998 calculation of minimal residual resistance for good optimazed ship hulls (HydroNShIp_Hollenbach âåðñèè v1.02)
· Added output resistance curve into input datas for maneuverability calculation
· Initial speed in brake moving is set estimated speed from resistance prediction calculation
· Added output computing time of maneuver
· Added program PPP-1.8 of resistance and power prediction by method Holtrop-1984
· Added program POP-1.5 of Wageningen B-Screw Series Propeller Preliminary Design
· Added 73 new multilanguage messages
· It's made more than 30 little changes and corrections.

What's new in Free!Ship 2.88 :

March 4th, 2008

· Added input control Cp in OCT resistance calcs and w/o Linesplan
· Fixed bug for optimal P/D calculation in OCT resistance calcs
· Added input data control for Holtrop-Mennen method
· Added temperature influence on viscosity for imperial units system
· Added temperature and density influence in planing ship resistance calcs
· Fixed bug for water density calcs into imperial units system from metrical and back
· It's made more than 20 little changes and corrections

What's new in Free!Ship 2.83 :

November 2nd, 2007

· Added a button for start engine selection in propeller task N1
· Added into strength propeller calculation some parameters e/D, dí/D and other as function by number of diagram
· Added into strength propeller calculation 8 types of metal (brass, bronze, stainless steel and duralumin)
· Added more better diagnostics of input parameters for propellers calculation
· Added manuals FREE!ship v2.6 on french and spain (Castellano) languages with button Help click
· Added spanish language into Freeship and DBview
· Synchronized *.ini files
· Made more 10 little changings and fixed some bugs