GRAINGER DESIGNS
ABOUT US
RAKU CATAMARANS
SENSORI POWER CATAMARANS
Sensori MS54 Power Cat
Sensori 40
Sensori 40 Layouts and Renders
Sensori 44
Sensori 44 Layouts and Renders
Sensori 48
Sensori 48 Layouts and Renders
Sensori 52
Sensori 60
Sensori 78 Layouts and Renders
TRIMARANS
TR36 Trimaran
R42 Trimaran
TR42 Trimaran
TR52 Trimaran
TR60 Trimaran
Mauritius 20 Trimaran
TRIMARAN STORY- Evolution of a Fast Cruising Trimaran
BUILDERS
WAARSCHIP
MAGMA YACHTS
AUSTRALIAN CUSTOM MULTIHULL YACHTS
HYBRID COMPOSITES
YACHT SERVICE
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
SPORTS CATS AND RACING DESIGNS
SPORTS CATS AND RACING
Livewire 28
Livewire 40
NEWS
RACE RESULTS
DESIGN LAB
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
New page
What Makes Max Fast?
The Displacement to Length Ratio
The CS Hull Form for Power Cats
RUNNING DOWN THE DREAM
VIDEO AND PHOTO GALLERIES
BUILD GALLERIES
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
Back Pages
Cruising
Trilogy
Ef-Jay Interior
RAKU FAQ's
A state of the art range of Sailing Catamarans, Trimarans and Power Cat Designs available
from Kits, Plans and Professional Boat Builders
VIDEO AND PHOTO GALLERIES
Sports Cats
Sports Cats
A selection of photos of our Sports Catamarans
Mad Max and Boat Works leading the fleet just after the start at Hamilton Island race Week
Scroll to top
Close
