Project : Designer : Filename : boat 7m disp_v02-02.fbm Design length : 22.966 ft Length over all : 23.063 ft Design beam : 4.757 ft Beam over all : 5.237 ft Design draft : 0.783 ft Midship location : 11.483 ft Water density : 65.016 lbs/ft^3 Appendage coefficient : 1.0000 Volume properties: Displaced volume : 21.970 ft^3 Displacement : 0.638 tons Total length of submerged body : 23.024 ft Total beam of submerged body : 3.784 ft Block coefficient : 0.3221 Prismatic coefficient : 0.6551 Vert. prismatic coefficient : 0.4399 Wetted surface area : 73.369 ft^2 Longitudinal center of buoyancy : 10.641 ft Longitudinal center of buoyancy : -3.784 % Transverse center of buoyancy : 0.000 ft Vertical center of buoyancy : 0.564 ft Midship properties: Midship section area : 1.457 ft^2 Midship coefficient : 0.4916 Waterplane properties: Length on waterline : 23.024 ft Beam on waterline : 3.784 ft Waterplane area : 63.776 ft^2 Waterplane coefficient : 0.7321 Waterplane center of floatation : 9.151 ft Y coordinate of DWL area CoG : 0.000 ft Half entrance angle of DWL : 9.401 degr Transverse moment of inertia : 58.628 ft^4 Longitudinal moment of inertia : 1939.7 ft^4 Initial stability: Vertical of transverse metacenter : 3.232 ft Transverse metacentric radius : 2.669 ft Longitudinal transverse metacenter : 88.853 ft Longitudinal metacentric radius : 88.289 ft Lateral plane: Lateral area : 13.341 ft^2 Longitudinal center of effort : 13.428 ft Vertical center of effort : 0.463 ft Hull characteristics above waterline: Lateral wind area : 49.217 ft^2 Z coordinate of wind area CoG : 1.851 ft X coordinate of wind area CoG : 11.522 ft Distance from wind area CoG to DWL : 1.073 ft Distance from bow (FP) to wind area CoG : 11.440 ft Minimal board height over DWL : 1.599 ft Minimal board height over DWL : 6.932 %Lmax Stability characteristics: Test stability coefficient : 8.177 if >= 0,8 then OK The following layer properties are calculated for both sides of the ship: +-------------------------+---------+-----------+----------+---------+---------+---------+ | Layer | Area | Thickness | Weight | COG X | COG Y | COG Z | | | ft^2 | in | tons | ft | ft | ft | +-------------------------+---------+-----------+----------+---------+---------+---------+ | Layer 0 | 168.35 | 0.472 | 0.131 | 10.635 | 0.000 | 1.127 | +-------------------------+---------+-----------+----------+---------+---------+---------+ Attention: Weight of a ship and displacement are difference more then 10% ! Sectional areas: +-----------+----------+ | Location | Area | | ft | ft^2 | +-----------+----------+ | 0.000 | 0.459 | | 0.000 | 0.459 | | 1.148 | 0.586 | | 2.297 | 0.716 | | 3.445 | 0.847 | | 4.593 | 0.975 | | 5.741 | 1.097 | | 6.890 | 1.208 | | 8.038 | 1.305 | | 9.186 | 1.383 | | 10.335 | 1.436 | | 11.483 | 1.457 | | 12.631 | 1.436 | | 13.780 | 1.369 | | 14.928 | 1.256 | | 16.076 | 1.104 | | 17.224 | 0.927 | | 18.373 | 0.735 | | 19.521 | 0.538 | | 20.669 | 0.343 | | 23.024 | 0.000 | +-----------+----------+ NOTE 1: Draft (and all other vertical heights) is measured from point of the hull Z=0. NOTE 2: All calculated coefficients based on actual dimensions of submerged body.