• 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
  1. DESIGN LAB
  2. Multihull Design Features

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