GRAINGER DESIGNS
ABOUT US
RAKU SAILING CATS
Raku 32
Raku 36
Raku 40
Raku 44
Raku 48
Raku 52
CUSTOM DESIGN
Raku Custom 66
SENSORI POWER CATAMARANS
Sensori MS54 Power Cat
Sensori 52
Sensori 60
SENSORI 760 MASTER SUITE
Sensori 78 Layouts and Renders
Rethinking Hull Form for Power Cats
TRIMARANS
TR36 Trimaran
R42 Trimaran
TR42 Trimaran
TR50 Custom
Mauritius 20 Trimaran
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
RUNNING DOWN THE DREAM
VIDEO AND PHOTO GALLERIES
BUILD GALLERIES
Raku 44#1 Build Gallery
Raku 44#2 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
New page
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
SENSORI POWER CATAMARANS
Sensori 52
Sensori 60
sensori 60
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