Download - CARB Meeting
CARB Meeting
Jim HardinGrady-White Boats
Greenville, NCApril 12, 2006
Grady-White Boats
• Independently Owned Boat Manufacturer• Founded in 1958
• Build about 2000 Boats per Year• 19 Models from 18’ to 36’• 100% Outboard Powered
• We Use 22 Different Gasoline Tanks• Field Testing of Carbon Canisters Last Year
in Two Grady-Whites
2002 – 2005 California Boat Registration Records• Inboard, Outboards, and
Inboard/Outdrives Only• 18’ – 34’ Size Range Included
• 50,426 Boats Registered299 Manufacturers
• ‘Top’ 50 Boat Manufacturers Built 44,224 (87.7%) of the Total
North Carolina Boat Manufacturers
• 689 (1.4%) of 50,426 Boats were Manufactured in North Carolina
• 16 Manufacturers Built these 689 Boats• North Carolina has 109 Boat Builders
Statewide• Six Manufacturers Built 95% of the above
689 Boats• One Manufacturer Built 429 of these Boats
Grady-White Boats in California
• Grady-White Sold 140 Boats in California (2002-2005)
• Grady-White has 19 Models• Grady-White Uses 22 Different Fuel Tanks
– Two Plastic Tanks in Three Boat Models– 20 Alum Tanks in the Remaining 16 Models• All Tanks are Installed Completely
“Enclosed”
Large Tanks
Concern- Size and Location of Carbon Canisters for Larger Capacity Tanks (93 to 170 Gallons)
36’ Tank Area (Twin 190 Gallon Tanks)
Bulkheads and stringers are Foam Cored and Surround
Tanks
Tanks are Inherently Insulated
Tanks Located here
Poly Tanks Used in 18’ and 20’ Models
Grady-White Uses Two Sizes of Poly Tanks
(60 and 82 Gallon)
Smaller Models
60 Gallon Poly Tank Installed in an 18’ Center Console
Please Note the
Floatation Foam that Insulates the Tank
Area
Completed Installation
Major Concerns with New Plastic Tank
Materials:• High Cost
• Unproven Technologies
Tank Located in this Area Under the
Cockpit Floor
Reduction of Diurnal Temperature Range
• Built-In Insulation and Enclosed Space• Most Larger Boats are Stored In-Water• Water Temperature has Less Daily
Variation than Air Temperature• Even Trailerable Boats with Installed and
Enclosed Tanks Experience a Reduced Range in Diurnal Temperature Swings