Detailed sailboat specifications and datasheets since 2015
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Sun Light 30 (Team / Lead Keel / Tall rig)

Main featuresSun Light 30 Team / Lead Keel / Tall rig
Model
Sun Light 30
Version
Team / Lead Keel / Tall rig
Hull type
Monohull
Category
Cruising sailboat
Sailboat builder
Jeanneau
Sailboat designer
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich fiberglass polyester
Number of hulls built
932
First built hull
1986
Last built hull
1991
Appendages
Keel : fin without bulb
Helm
Single tiller
Rudder
Single semi-spade rudder
Unsinkable
No
Trailerable
No
Former French navigation category
2
 
Main dimensionsSun Light 30 Team / Lead Keel / Tall rig
Overall length
30’9.15 m
Hull length
29’ 2”8.89 m
Waterline length
25’ 5”7.75 m
Beam (width)
10’ 5”3.18 m
Waterline beam (width)
8’ 5”2.55 m
Draft
5’ 10”1.78 m
Mast height from DWL
42’ 11”13.07 m
Fore freeboard
3’ 10”1.17 m
Mid-ship freeboard
3’ 5”1.03 m
Light displacement (MLC)
6834 lb3100 kg
Maximum displacement (MLDC)
9083 lb4120 kg
Ballast weight
2601 lb1180 kg
Ballast type
Lead
French customs tonnage
8.12 Tx
 
Rig and sailsSun Light 30 Team / Lead Keel / Tall rig
Upwind sail area
602 ft²55.89 m²
Downwind sail area
1018 ft²94.58 m²
Mainsail area
222 ft²20.58 m²
Genoa area
380 ft²35.31 m²
Solent area
262 ft²24.36 m²
Jib area
165 ft²15.36 m²
Stormjib area
75 ft²7 m²
Symmetric spinnaker area
797 ft²74 m²
I
 iFore triangle height (from mast foot to fore stay top attachment)
41’ 2”12.55 m
J
 iFore triangle base (from mast foot to bottom of forestay)
12’3.65 m
P
 iMainsail hoist measurement (from tack to head)
36’ 7”11.15 m
E
 iMainsail foot measurement (from tack to clew)
9’ 10”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
 
PerformancesSun Light 30 Team / Lead Keel / Tall rig
HN (French rating)
 iHN or "Handicap Nationale" is an empirical rating system used in France allowing various monohulls, of different sizes and designs, to race each other fairly. It is particularly suitable for cruiser and cruiser-racer. Therefore, by comparing these values, we can have an indication of the relative speed of 2 boats.
19.0
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.
283 ft²/T26.29 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.
479 ft²/T44.49 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.
189
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.
38 %
Wetted area
209 ft²19.43 m²
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.
449 lb.ft62 kg.m
Maximum transverse section
11 ft²1.03 m²
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.
6.76 knots
 
Auxiliary engineSun Light 30 Team / Lead Keel / Tall rig
Engine(s)
1 inboard engine
Engine(s) power
18 HP
Fuel type
Diesel
Fuel tank capacity
12.7 gal48 liters
 
Accommodations and layoutSun Light 30 Team / Lead Keel / Tall rig
Cockpit
Closed aft cockpit
Cabin(s)
2
Berth(s)
7
Head(s)
1
Freshwater tank capacity
26.4 gal100 liters
Fridge/ice-box capacity
19.8 gal75 liters
Maximum headroom
6’ 1”1.87 m
Galley headroom
6’1.82 m
Head headroom
5’ 10”1.78 m
 
SaloonSun Light 30 Team / Lead Keel / Tall rig
Maximum headroom
6’1.82 m
Chart table
3’0.9 m x 2’0.6 m
 
Fore cabinSun Light 30 Team / Lead Keel / Tall rig
Maximum headroom
5’ 11”1.79 m
Berth length
6’ 5”1.95 m
Berth width
5’1.52 m
 
Aft cabinSun Light 30 Team / Lead Keel / Tall rig
Maximum headroom
5’ 10”1.78 m
Berth length
6’ 7”2 m
Berth width
4’ 11”1.5 m
 
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