Detailed sailboat specifications and datasheets since 2015
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Sun Fast 41 Lead keel

Sailboat specifications

The Sun Fast 41 is a 40’2” (12.25m) cruiser-racer sailboat designed by Douglas Peterson (United States). She was built between 1990 and 1994 by Jeanneau (France) with 548 hulls completed. The Lead keel version displays a deep lead fin offering high righting moment and low drag.

The Sun Fast 41 is as well listed, on Boat-Specs.com, in Standard and Keel and centerboard version (see all the versions compared).

Sun Fast 41's main features

Model
Sun Fast 41
Version
Lead keel
Hull type
Monohull
Category
Offshore cruiser-racer sailboat
Sailboat builder
Sailboat designer
Sailboat range
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester with Kevlar reinforcements
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built
548
First built hull
1990
Last built hull
1994
Appendages
Keel : fin without bulb
Helm
Single helm wheel
Rudder
Single spade rudder
Unsinkable
No
Trailerable
No
Former French navigation category
1
Standard public price ex. VAT (indicative only)
N/A

Sun Fast 41's main dimensions

Overall length
41’12.5 m
Hull length
40’ 2”12.25 m
Waterline length
32’ 8”9.98 m
Beam (width)
12’ 11”3.94 m
Draft
6’ 11”2.1 m
Light displacement (MLC)
17196 lb7800 kg
Ballast weight
6900 lb3130 kg
Ballast type
Lead

Sun Fast 41's rig and sails

Upwind sail area
948 ft²88.1 m²
Downwind sail area
1611 ft²149.7 m²
Mainsail area
361 ft²33.5 m²
Genoa area
588 ft²54.6 m²
Symmetric spinnaker area
1251 ft²116.2 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
51’ 2”15.6 m
J
 iFore triangle base (from mast foot to bottom of forestay)
15’ 1”4.6 m
P
 iMainsail hoist measurement (from tack to head)
44’ 11”13.7 m
E
 iMainsail foot measurement (from tack to clew)
14’ 1”4.3 m
Rigging type
Sloop Marconi masthead
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
2
Spreaders angle
0 °
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire

Sun Fast 41'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.
241 ft²/T22.4 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.
410 ft²/T38.06 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.
222
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.
40 %
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.
7.67 knots

Sun Fast 41's auxiliary engine

Engine(s)
1 inboard engine
Engine(s) power (min./max.)
44 HP / 55 HP
Fuel type
Diesel
Fuel tank capacity
39.1 gal148 liters

Sun Fast 41's accommodations and layout

Cockpit
Closed aft cockpit
Cabin(s) (min./max.)
2 / 3
Berth(s) (min./max.)
4 / 11
Head(s)
1
Freshwater tank capacity
92.7 gal351 liters
Fridge/ice-box capacity
50.2 gal190 liters
Boiler capacity
10.8 gal41 liters
Maximum headroom
6’ 5”1.96 m
Galley headroom
6’ 4”1.93 m
Head headroom
6’1.82 m

Sun Fast 41's saloon

Maximum headroom
6’ 5”1.94 m
Berth length
6’ 2”1.9 m
Chart table
3’ 5”1.05 m x 2’ 5”0.73 m
Berth width
2’ 7”0.8 m

Sun Fast 41's fore cabin

Maximum headroom
5’ 10”1.78 m
Berth length
6’ 5”1.95 m
Berth width
5’ 7”1.7 m

Sun Fast 41's aft cabin

Maximum headroom
6’ 2”1.9 m
Berth length
6’ 4”1.92 m
Berth width
5’ 2”1.6 m
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