Detailed sailboat specifications and datasheets since 2015
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HH 55

Sailboat specifications

The HH 55 is a 54’11” (16.74m) fast cruising catamaran designed by Morrelli & Melvin (United States). She is built since 2017 by HH Catamarans (China). She has been awarded "2018 - Cruising World - Boat of the Year: Cruising Catamaran".

HH 55's main features

Model
HH 55
Hull type
Catamaran
Category
Fast cruising catamaran
Sailboat builder
Sailboat designer
Country
China
Construction
Carbon fiber reinforced epoxy:
Sandwich foam carbon fiber epoxy
First built hull
2017
Last built hull
Still in production
Award(s)
  • 2018: Cruising World - Boat of the Year: Cruising Catamaran
    Appendages
    Foils : twin C foils
    Helm
    Twin helm wheels
    Rudder
    Twin spade rudders
    Unsinkable
    No
    Trailerable
    No
    EC design category
     iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

    A: Wind < force 9, Waves < 10m
    B: Wind < force 8, Waves < 8m
    C: Wind < force 6, Waves < 4m
    D: Wind < force 4, Waves < 0,5m
    A
    Standard public price ex. VAT (indicative only)
    N/A

    HH 55's main dimensions

    Hull length
    54’ 11”16.74 m
    Waterline length
    53’ 2”16.21 m
    Beam (width)
    26’ 7”8.1 m
    Waterline beam (width)
    5’ 6”1.68 m
    Draft
    10’ 10”3.3 m
    Draft when appendages up
    4’ 4”1.3 m
    Mast height from DWL
    88’ 4”26.9 m
    Light displacement (MLC)
    31306 lb14200 kg
    Maximum displacement (MLDC)
    43283 lb19633 kg

    HH 55's rig and sails

    Upwind sail area
    2065 ft²191.8 m²
    Downwind sail area
    3376 ft²313.6 m²
    Mainsail area
    1343 ft²124.8 m²
    Solent area
    721 ft²67 m²
    Staysail area
    441 ft²41 m²
    Code 5 area
    2032 ft²188.8 m²
    Rigging type
    Sloop Marconi (square top mainsail) fractional
    Mast configuration
    Fore beam stepped mast
    Rotating spars
    Yes
    Number of levels of spreaders
    1
    Spreaders angle
    Swept-back (diamond)
    Spars construction
    Carbon fiber spars
    Standing rigging
    Carbon fiber discontinuous

    HH 55's performances

    Upwind sail area to displacement
     iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.

    The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.

    Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat.
    352 ft²/T32.71 m²/T
    Downwind sail area to displacement
     iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.

    The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size.
    576 ft²/T53.48 m²/T
    Displacement-length ratio (DLR)
     iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).
    The DLR can be used to compare the relative mass of different sailboats no matter what their length:

    a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat.
    94

    HH 55's auxiliary engine

    Engine(s)
    2 inboard engines
    Fuel type
    Diesel

    HH 55's accommodations and layout

    Cockpit
    Open aft cockpit
    Cabin(s) (min./max.)
    3 / 5
    Berth(s) (min./max.)
    6 / 9
    Head(s) (min./max.)
    3 / 4
    Have you spotted incorrect data?  You can report it in the forum or contact the webmaster

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