Project : CayWestCruiser25 Designer : Greg Brandes Created by : Greg Brandes Comment : Based roughly on Chapelle's Southwind. The design is intended to be a trailerable, shallow drafth, key cruiser. It is intended to make short open water passages under optimum weather conditions. Filename : C:\Organization\BOATS\Caywest Cruiser\25'CayRuser04.fbm Design length : 25.000 [ft] Length over all : 26.918 [ft] Design beam : 8.000 [ft] Beam over all : 8.050 [ft] Design draft : 3.900 [ft] Midship location : 12.600 [ft] Water density : 63.989 [lbs/ft3] Appendage coefficient : 1.0000 Volume properties: Displaced volume : 65.181 [ft3] Displacement : 1.862 [tons] Total length of submerged body : 25.235 [ft] Total beam of submerged body : 6.841 [ft] Block coefficient : 0.0968 Prismatic coefficient : 0.5128 Vert. prismatic coefficient : 0.1520 Wetted surface area : 143.89 [ft2] Longitudinal center of buoyancy : 12.062 [ft] Longitudinal center of buoyancy : -2.146 [%] Vertical center of buoyancy : 3.564 [ft] Midship properties: Midship section area : 5.037 [ft2] Midship coefficient : 0.1888 Waterplane properties: Length on waterline : 25.060 [ft] Beam on waterline : 6.841 [ft] Waterplane area : 109.98 [ft2] Waterplane coefficient : 0.6371 Waterplane center of floatation : 12.154 [ft] Entrance angle : 35.040 [degr.] Transverse moment of inertia : 313.43 [ft4] Longitudinal moment of inertia : 2986.9 [ft4] Initial stability: Transverse metacentric height : 8.373 [ft] Longitudinal metacentric height : 49.389 [ft] Lateral plane: Lateral area : 21.461 [ft2] Longitudinal center of effort : 8.327 [ft] Vertical center of effort : 3.410 [ft] The following layer properties are calculated for both sides of the ship: | Layer | Area | Thickness | Weight | COG X | COG Y | COG Z | | | [ft2] | | [tons] | [ft] | [ft] | [ft] | |-------------------------|--------|-----------|----------|---------|---------|---------| | ***** MainSails ***** | 140.31 | 0.030 | 0.016 | 17.439 | 0.000 | 16.695 | | MizzenSail | 113.78 | 0.030 | 0.013 | 3.333 | 0.000 | 16.030 | | MizzenStaySail | 109.19 | 0.030 | 0.012 | 10.826 | 0.000 | 15.670 | | Jib | 55.910 | 0.030 | 0.006 | 25.033 | 0.000 | 15.716 | | Mainmast | 33.636 | 0.750 | 0.030 | 22.138 | 0.000 | 18.430 | | MizzenMast | 31.234 | 0.750 | 0.028 | 7.690 | 0.000 | 16.902 | | Tabernacles | 30.688 | 0.750 | 0.027 | 15.680 | 0.000 | 6.557 | | Booms | 55.711 | 0.750 | 0.050 | 17.472 | 0.000 | 8.862 | | Roach | 35.870 | 0.030 | 0.004 | 7.615 | 0.000 | 19.767 | | Cabin | 64.495 | 0.750 | 0.058 | 15.094 | 0.000 | 8.180 | | Hatch | 16.169 | 0.500 | 0.008 | 12.249 | 0.000 | 8.579 | | Deck | 95.400 | 0.750 | 0.075 | 11.659 | 0.000 | 6.830 | | Cockpit | 26.736 | 0.625 | 0.020 | 6.431 | 0.000 | 5.471 | | Coaming | 23.004 | 0.500 | 0.015 | 6.295 | 0.000 | 6.969 | | SheerStrake | 18.501 | 0.750 | 0.013 | 17.825 | 0.000 | 6.935 | | Hull Sides | 178.80 | 0.750 | 0.130 | 12.713 | 0.000 | 4.990 | | Bottom | 92.419 | 2.000 | 0.268 | 12.084 | 0.000 | 3.269 | | Skeg | 13.389 | 1.500 | 0.028 | 5.065 | 0.000 | 3.143 | | SkegMod | 23.749 | 0.000 | 0.000 | 14.252 | 0.000 | 2.999 | | Lead Ballast | 5.491 | 2.000 | 0.286 | 14.327 | 0.000 | 2.680 | | Rudder | 17.604 | 1.000 | 0.026 | 0.194 | 0.000 | 4.801 | | RudderOld | 14.255 | 0.000 | 0.000 | 2.435 | 0.000 | 3.430 | | Centerboard/Up | 17.206 | 1.500 | 0.036 | 11.937 | 1.400 | 4.051 | | Centerboard/Dn | 36.691 | 0.000 | 0.000 | 12.047 | 1.400 | 2.521 | | HydroBoard | 25.681 | 0.000 | 0.000 | 11.433 | 0.000 | 2.081 | | Center Board Template | 34.411 | 0.000 | 0.000 | 11.989 | 0.000 | 2.475 | | C/B Box | 34.277 | 0.625 | 0.026 | 11.915 | 1.400 | 4.268 | | Bulkhead #1 | 15.010 | 0.500 | 0.009 | 21.935 | 0.000 | 6.228 | | Bulkhead #2 | 11.151 | 0.750 | 0.010 | 16.500 | 0.000 | 4.750 | | Bulkhead #3 | 13.668 | 0.750 | 0.012 | 8.500 | 0.812 | 4.725 | | Bulkhead #4 | 9.779 | 0.750 | 0.009 | 4.250 | 0.000 | 4.731 | | StemSternMastSteps | 9.000 | 1.500 | 0.019 | 15.925 | 0.000 | 4.689 | | V-Berth | 34.880 | 0.500 | 0.021 | 18.767 | 0.000 | 4.916 | | Doors | 11.492 | 0.750 | 0.010 | 19.198 | 0.000 | 4.486 | | StoragePartitions | 36.383 | 0.500 | 0.022 | 19.067 | 0.000 | 3.854 | | Galley | 33.853 | 0.500 | 0.020 | 12.592 | 2.101 | 5.084 | | IceBox | 30.192 | 0.375 | 0.013 | 10.197 | 2.536 | 4.914 | | Settee | 35.031 | 0.625 | 0.026 | 10.197 | -2.042 | 4.065 | | Longitudinal | 27.580 | 0.000 | 0.000 | 8.998 | 1.300 | 4.585 | | Motor Well | 16.319 | 0.750 | 0.016 | 3.088 | -0.776 | 4.972 | | Motor | 1.823 | 4.000 | 0.027 | 3.243 | -0.800 | 4.419 | | MotorUp | 1.823 | 0.000 | 0.000 | 2.768 | -0.800 | 4.875 | | Storage Wt. Vberth | 1.000 | 12.000 | 0.179 | 18.750 | 0.000 | 4.033 | | Storage Wt. Settee | 1.000 | 12.000 | 0.134 | 12.000 | -2.300 | 3.633 | | Storage Wt. Cockpit Sea | 1.000 | 12.000 | 0.045 | 6.300 | 2.300 | 4.033 | | Storage Wt. Lazarette | 1.000 | 12.000 | 0.089 | 3.000 | 0.500 | 4.430 | | Crew Wt. Cockpit | 1.000 | 12.000 | 0.223 | 6.250 | 0.000 | 6.230 | | DraftLimit | 0.003 | 0.000 | 0.000 | 21.875 | 0.000 | 2.319 | |-------------------------|--------|-----------|----------|---------|---------|---------| Total 1637.6 2.057 11.899 -0.037 5.231 Sectional areas: | Location | Area | | [ft] | [ft2] | |-----------+----------| | 0.000 | 0.158 | | 2.500 | 0.456 | | 5.000 | 2.129 | | 7.500 | 3.822 | | 10.000 | 4.853 | | 12.500 | 5.050 | | 15.000 | 4.461 | | 17.500 | 3.267 | | 20.000 | 1.645 | | 22.500 | 0.247 | | 25.000 | 0.000 | |-----------+----------| NOTE 1: Draft (and all other vertical heights) is measured above the lowest point of the hull! (Z= -1.230) NOTE 2: All calculated coefficients based on actual dimensions of submerged body.