Detailed sailboat specifications and datasheets since 2015
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Sunbeam 46.1

Sailboat specifications

The Sunbeam 46.1 is a 45’11” (13.99m) cruising sailboat designed by J&J Design (Slovenia). She is built since 2018 by Sunbeam Yachts (Austria). She has been awarded the title of "European Yacht of the Year - Category : Luxury Cruiser" in 2019.

Sunbeam 46.1's main features

Model
Sunbeam 46.1
Hull type
Monohull
Category
Offshore cruising sailboat
Sailboat builder
Sailboat designer
Country
Austria
Construction
GRP (glass reinforced polyester):
- Hull: Sandwich foam fiberglass polyester
- Deck: Sandwich foam fiberglass polyester
First built hull
2018
Last built hull
Still in production
Award
2019 European Yacht of the Year - Category : Luxury Cruiser
Appendages
Keel : T-shaped keel (with bulb)
Helm
Twin helm wheels
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 
428 000
 (2020)

Sunbeam 46.1's main dimensions

Overall length
48’ 5”14.75 m
Hull length
45’ 11”13.99 m
Waterline length
43’ 6”13.26 m
Beam (width)
14’ 7”4.45 m
Draft
7’ 2”2.2 m
Light displacement (MLC)
28660 lb13000 kg
Ballast weight
10031 lb4550 kg
Ballast type
Cast iron

Sunbeam 46.1's rig and sails

Upwind sail area
1238 ft²115 m²
Rigging type
Sloop Marconi 7/8
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
Swept-back
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire discontinuous

Sunbeam 46.1'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.
224 ft²/T20.8 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.
158
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.
35 %
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.
8.84 knots

Sunbeam 46.1's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power
75 HP
Fuel type
Diesel
Fuel tank capacity
79.3 gal300 liters

Sunbeam 46.1's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s)
3
Berth(s) (min./max.)
6 / 8
Head(s)
2
Freshwater tank capacity
145.3 gal550 liters

Sunbeam 46.1's aft cabin

Berth length
6’ 7”2 m
Berth width
5’ 11”1.8 m

Sunbeam 46.1's fore cabin

Maximum headroom
6’ 2”1.9 m
Berth length
6’ 7”2 m
Berth width
5’ 2”1.6 m
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