It's just free online tool..change values in input and will produce results ..which can be printed.
WAGENINGEN B-SCREW SERIES PROPELLER DESIGN http://www.mermaid-consultants.com/b-series-propeller-design.html
SHIP DAMAGE EXTENT AND MAXIMUM CARGO TANK LENGTH http://www.mermaid-consultants.com/ship-damage-extent-and-maximum-cargo-tank-length.html
RIGHTING ARM CALCULATION BY KN VALUES http://www.mermaid-consultants.com/righting-arm-calculation-by-kn-values.html
WINDLASS CAPACITY CALCULATION http://www.mermaid-consultants.com/windlass-capacity-calculation.html
GALVANIC ANODE CATHODIC PROTECTION http://www.mermaid-consultants.com/galvanic-anode-cathodic-protection.html
You can design by yourself. First step will be to calculate resistance on design speed.Then choose maximum poosible diameter of propeller with...
either proven design shall be followed or rigrous work is required for good basic design.So many things need to be accounted for, i.e 1....
Design shall be verified through iterative approach of CFD or model testing for various hull configuration,demi hull spacings,length to hull...
better share inclining test results and lightship estimation data in english....check righting arm vs wind arm area ratios at different wind...
referring to excessive roll problem and high vcg of lightship