The 12' Classic Dinghy built by the Designer

COMPUMARINE
Cedar Strip Small Craft Designs
Since 1989
1208 Calle Juan Legarra
Rio Rico AZ 85648-1028

Bus: 520-604-6700
Fax: 520-223-4796
 
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johnc@compumarine.com

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The Power Dinghy Lines and Specifications

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The Power Dinghy 12' 15' Data Description
LOA (ft.) 11.9 14.6 Length Overall
LWL (ft.) 10 12.5 Length on the Design Waterline
Maximum Beam (ft.) 5 5 Located at Station 6
Beam @ LWL (ft.) 3.88 3.88 Located at Midship Section (Sta. 5)
BM/LWL 0.39 0.39 Beam to Waterline Ratio
Draft - Fairbody (ft.) 0.48 0.48 Depth of hull at Station 4.5
Hull Weight (lbs.) Min. 95 135 Canoe Type Seats Without Flotation
Displacement (lbs. Seawater) 377 475 At the Design Waterline
Displacement @ Rise = -.083 537 672 At 1" Below LWL
Displacemaent @ Rise = LC 1555 2950 Max Load Capacity @ 9" Freeboard
PPI @ LWL (lbs.) 160 197 Pounds Per Inch Immersion
Displacement (Long Tons) 0.17 0.21 N/A
Displacement (Vol. cu. ft.) 5.90 7.37 N/A
LCB - X Dim (ft.) 5.79 8.54 Longitudinal Center of Buoyancy
LCF - X Dim (ft.) 6.37 9.12 Longitudinal Center of Flotation
WPA (sq. ft.) 26.9 33.62 Waterplane Area
Cw 0.69 0.69 Waterplane Coefficient
MSA (sq. ft.) 1.04 1.04 Midship Section Area
Cm 0.60 0.60 Midship Section Coefficient
WS (sq. ft.) 28 35 Wetted Surface Area
Cb 0.34 0.34 Block Coefficient
Cp .57 .57 Prismatic Coefficient
D/L 168 109 Displacement to Length Ratio
Load Capacity (lbs) 1460 2815 Max.Weight for Cargo @ Passengers
Freeboard Fwd. (ft.) 2.11 2.11 Measured from LWL at Bow
Freeboard Minimum (ft.) 1.7 1.7 From LWL at Sta.7
Freeboard Aft (ft.) 1.7 1.7 From LWL at Transom
Outboard Motor (HP) 12 15 With Sufficient Flotation Installed
 

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Last updated September 17, 2012

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