Free!Ship Changelog

What's new in Free!Ship 3.43+

Nov 18, 2013
  • Added calculation of ducted free water bladed screws Series   
  • Added a new calculation module x64 compatible for B series propeller  
  • Added to the calculation of ducted two series of free water KCA-3 and GAWN-3
  • Added default data for the calculation of the resistance on the results of model tests in      
  • calculations for catamarans, round-bilge highspeed ships and OCT   
  • Added calculation of the limit propeller diameter (default) based on OCT and resistance to      
  • round bilge high-speed vessels   
  • Added calculation ie in the calculation of resistance for high-speed round bilge vessel   
  • Changes to Help on how to calculate the resistance of catamarans, highspeed boats   
  • Added 95 new multi-language messages   
  • Made more than 30 little changes and corrections for interface

New in Free!Ship 3.41+ (Jun 15, 2013)

  • Added support of datas export into program Michlet v9.30
  • Added start portuguese manual on Help click
  • Increased maximal speed to 50 knots in propeller's calculation
  • Changed standart Delphi 7 memory manager on alternative Fast4MM
  • Added 0 new multi-lingual messages
  • Made more than 10 small changes and interface corrections

New in Free!Ship 3.4+ (Apr 1, 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

New in Free!Ship 3.39+ (Feb 15, 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

New in Free!Ship 3.38+ (Feb 4, 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

New in Free!Ship 3.37+ (Jan 14, 2013)

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

New in Free!Ship 3.36+ (Dec 10, 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

New in Free!Ship 3.35+ (Dec 10, 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

New in Free!Ship 3.33+ (Jul 25, 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

New in Free!Ship 3.32+ (Jul 25, 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

New in Free!Ship 3.3+ (Jul 25, 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

New in Free!Ship 3.29+ (Jul 25, 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

New in Free!Ship 3.28+ (Jul 25, 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

New in Free!Ship 3.27+ (Jul 25, 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

New in Free!Ship 3.26+ (Dec 19, 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

New in Free!Ship 3.24+ (Dec 19, 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

New in Free!Ship 3.23+ (Dec 19, 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

New in Free!Ship 3.2+ (Feb 28, 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

New in Free!Ship 3.1+ (Dec 7, 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

New in Free!Ship 3.07+ (Sep 23, 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

New in Free!Ship 2.96 (Jun 18, 2008)

  • Added into method Hollenbach-1998 calculation of minimal residual resistance for good optimazed ship hulls (HydroNShIp_Hollenbach ������ 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.

New in Free!Ship 2.88 (Mar 4, 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

New in Free!Ship 2.83 (Nov 2, 2007)

  • Added a button for start engine selection in propeller task N1
  • Added into strength propeller calculation some parameters e/D, d�/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