GRAINGER DESIGNS
ABOUT US
RAKU CATAMARANS
Raku 44
Raku 48
Raku 52
Raku Custom 66
TRIMARANS
TR36 Trimaran
R42 Trimaran
TR42 Trimaran
TR50 Custom
Mauritius 20 Trimaran
RESOURCES
BUILDING RAKU FROM A KIT
Duflex Kit Construction in 9 Steps
DuFlex Kits - What's in a kit?
COMPOSITE MATERIALS
EQUIPMENT AND SERVICES
MARINE SURVEY AND LEGAL
WEIGHTS OF MATERIALS
STRIP PLANKING GUIDE
BUILDER PAGE
RAKU 44 ASSEMBLY BOOK
RAKU PLANS - WHAT'S IN THE PLANS
DESIGN LAB
DESIGN TOPICS
Sails, Rigs, Deck Equipment
Multihull Design Features
Daggerboards vs. Fixed Keels
Weight and Displacement
Reverse Bow - Fad or Function
Helm Forward or Aft
Pricing your Project
Building hours for multihulls
SAFETY AND SEAMANSHIP
PERFORMANCE TOPICS
Why Hull Shapes Matter
Measuring Multihull Performance
How much do multihulls weigh
Optimising Hull Lines for Performance
Multihull Performance Factors
What Makes Max Fast?
The Displacement to Length Ratio
The CS Hull Form for Power Cats
VIDEO AND PHOTO GALLERIES
BUILD GALLERIES
Raku 44#1 Build Gallery
R42 Build Gallery
TR36 Build Gallery
TR36 Eole
R42 Venom
The Green Boat
Libra Volonte Main Page
Libra Volonte Interior
Mad Max
Trimarans
Chincogan 52
The Red Boat
Sports Cats
Barefoot 40
Cut Loose
Cruising
Back Pages
Trilogy
Ef-Jay Interior
A quest to find synergy between our passion to travel at sea, the vessels we design and build for the journey, and the natural environment that is the medium of our travels
DESIGN LAB
PERFORMANCE TOPICS
Measuring Multihull Performance
Multihull Performance Factors
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