Measurements
Project : TPR-1
Designer : Loren Couch
Length over all : 17.050 ft
Beam over all : 5.883 ft
Midship location : 9.000 ft
Water density : 62.400 lbs/ft^3
Appendage coefficient : 1.0000
Volume properties:
Displaced volume : 10.936 ft^3
Displacement : 0.305 tons
Total length of submerged body : 16.640 ft
Total beam of submerged body : 4.899 ft
Block coefficient : 0.3354
Prismatic coefficient : 0.5786
Vert. prismatic coefficient : 0.5121
Wetted surface area : 54.582 ft^2
Longitudinal center of buoyancy : 7.781 ft
Longitudinal center of buoyancy : -3.924 %
Tranverse center of buoyancy : 0.000 ft
Vertical center of buoyancy : 0.267 ft
Midship properties:
Midship section area : 1.136 ft^2
Midship coefficient : 0.5796
Waterplane properties:
Length on waterline : 16.640 ft
Beam on waterline : 4.899 ft
Waterplane area : 53.389 ft^2
Waterplane coefficient : 0.6549
Waterplane center of floatation : 7.423 ft
Y coordinate of DWL area CoG : 0.000 ft
Half entrance angle of DWL : 9.758 degr
Transverse moment of inertia : 72.925 ft^4
Longitudinal moment of inertia : 724.38 ft^4
Initial stability:
Vertical of transverse metacenter : 6.935 ft
Tranverse metacentric radius : 6.668 ft
Longitudinal transverse metacenter : 66.505 ft
Longitudinal metacentric radius : 66.238 ft
Lateral plane:
Lateral area : 4.566 ft^2
Longitudinal center of effort : 8.491 ft
Vertical center of effort : 0.239 ft
Hull characteristics above waterline:
Lateral wind area : 26.805 ft^2
Z coordinate of wind area CoG above DWL : 0.797 ft
Distance from bow to wind area CoG : 8.082 ft
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 |
+-------------------------+---------+-----------+----------+---------+---------+---------+
| topsides | 46.867 | 0.000 | 0.000 | 8.485 | 0.000 | 1.230 |
| bottom | 49.304 | 0.000 | 0.000 | 7.724 | 0.000 | 0.318 |
| keel line | 18.853 | 0.000 | 0.000 | 6.844 | 0.000 | 0.115 |
| tunblehome | 6.747 | 0.000 | 0.000 | 9.001 | 0.000 | 1.980 |
| transom | 5.029 | 0.000 | 0.000 | 0.000 | 0.000 | 1.204 |
| foredeck | 10.361 | 0.000 | 0.000 | 13.332 | 0.000 | 2.176 |
| deck sides | 26.611 | 0.000 | 0.000 | 7.735 | 0.000 | 2.080 |
| cockpit sides | 42.178 | 0.000 | 0.000 | 8.066 | 0.000 | 1.447 |
| cockpit floor | 40.967 | 0.000 | 0.000 | 7.148 | 0.000 | 0.800 |
| centerboard | 9.766 | 0.000 | 0.000 | 9.543 | 0.000 | -1.257 |
| rudder | 6.848 | 0.000 | 0.000 | -0.481 | 0.000 | 0.080 |
| mast | 11.753 | 0.000 | 0.000 | 10.119 | 0.000 | 10.847 |
| boom | 3.451 | 0.000 | 0.000 | 6.168 | 0.631 | 4.404 |
| main | 76.605 | 0.000 | 0.000 | 7.612 | 0.787 | 11.136 |
| Jib | 32.412 | 0.000 | 0.000 | 12.560 | 0.587 | 6.522 |
| spinnaker | 87.702 | 0.000 | 0.000 | 14.098 | 0.000 | 10.758 |
| spinnaker pole | 0.678 | 0.000 | 0.000 | 12.560 | 1.630 | 5.487 |
| Trapezoidal keel NACA63 | 4.870 | 0.000 | 0.000 | 9.654 | 0.023 | -1.000 |
+-------------------------+---------+-----------+----------+---------+---------+---------+