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Hallberg-Rassy 55

Sailboat specifications

The Hallberg-Rassy 55 is a 54’8” (16.68m) cruising sailboat designed by Frers Naval Architecture & Engineering (Argentina). She was built between 2012 and 2018 by Hallberg-Rassy (Sweden).

Hallberg-Rassy 55's main features

Model
Hallberg-Rassy 55
Hull type
Monohull
Category
Offshore cruising sailboat
Sailboat builder
Sailboat designer
Country
Sweden
Construction
GRP (glass reinforced polyester):
Sandwich fiberglass polyester
First built hull
2012
Last built hull
2018
Appendages
Keel : L-shaped keel (with bulb)
Helm
Single helm wheel
Rudder
Single spade rudder
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)
About 
975 000
 (2017)

Hallberg-Rassy 55's main dimensions

Hull length
54’ 8”16.68 m
Waterline length
46’ 11”14.3 m
Beam (width)
15’ 5”4.69 m
Draft
7’ 6”2.3 m
Mast height from DWL
80’ 5”24.5 m
Light displacement (MLC)
57982 lb26300 kg
Ballast weight
21495 lb9750 kg
Ballast type
Lead on deep GRP bilge

Hallberg-Rassy 55's rig and sails

Upwind sail area
1951 ft²181.3 m²
Rigging type
Sloop Marconi masthead
Mast configuration
Keel stepped mast
Rotating spars
No
Number of levels of spreaders
3
Spreaders angle
0 °
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire

Hallberg-Rassy 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.
221 ft²/T20.5 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.
255
Ballast ratio
 iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.

The higher the ballast ratio is, the greater is the stability.
37 %
Righting moment @ 1°
 iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability.
4745 lb.ft656 kg.m
Righting moment @ 30°
 iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability.
122961 lb.ft17000 kg.m
Maximum righting moment
 iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after heeling. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability.
171090 lb.ft23654 kg.m @ 68.00 °
Critical hull speed
 iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".
The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34.
9.18 knots

Hallberg-Rassy 55's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
180 HP
Fuel type
Diesel
Fuel tank capacity
237.8 gal900 liters

Hallberg-Rassy 55's accommodations and layout

Cockpit
Center cockpit
Cabin(s)
3
Berth(s) (min./max.)
5 / 7
Head(s) (min./max.)
2 / 3
Freshwater tank capacity
277.4 gal1050 liters
Holding tank capacity
42.3 gal160 liters
Boiler capacity
19.8 gal75 liters
Maximum headroom
6’ 7”2.02 m
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