J/130
Sailboat specifications
The J/130 is a 42’10” (13.04m) cruiser-racer sailboat designed by Rod Johnstone (United States). She was built between 1994 and 2002 by J/Boats (United States) with 43 hulls completed.
J/130's main features
- Model
- J/130
- Hull type
- Monohull
- Category
- Offshore cruiser-racer sailboat
- Sailboat builder
- Sailboat designer
- Country
- United States
- Construction
- Hull and deck: GRP (glass reinforced polyester)
- Number of hulls built
- 43
- First built hull
- 1994
- Last built hull
- 2002
- Appendages
- Keel : L-shaped keel (with bulb)
- Helm
- Single helm wheel
- Rudder
- Single spade rudder
- Unsinkable
- No
- Trailerable
- No
- EC design categoryiThe 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 €
J/130's main dimensions
- Hull length
- 42’ 10”13.04 m
- Waterline length
- 38’ 2”11.64 m
- Beam (width)
- 12’ 10”3.9 m
- Draft
- 8’ 6”2.59 m
- Light displacement (MLC)
- 17000 lb7711 kg
- Ballast weight
- 6349 lb2880 kg
J/130's rig and sails
- Upwind sail area
- 956 ft²88.8 m²
- IiFore triangle height (from mast foot to fore stay top attachment)
- 57’17.37 m
- JiFore triangle base (from mast foot to bottom of forestay)
- 16’ 6”5.03 m
- PiMainsail hoist measurement (from tack to head)
- 52’ 6”16 m
- EiMainsail foot measurement (from tack to clew)
- 18’ 6”5.64 m
- Rigging type
- Sloop Marconi 19/20
- Mast configuration
- Keel stepped mast
- Rotating spars
- No
- Number of levels of spreaders
- 3
- Spreaders angle
- Swept-back
- Running backstays
- 2 set(s)
- Spars construction
- Aluminum spars
J/130's performances
- Upwind sail area to displacementiThe 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. - 245 ft²/T22.75 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. - 138
- Ballast ratioiThe 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 %
- Critical hull speediAs 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. - 8.28 knots
J/130's auxiliary engine
- Engine(s)
- 1 inboard engine
- Engine(s) power
- 47 HP
- Fuel type
- Diesel
J/130's accommodations and layout
- Cockpit
- Closed aft cockpit
- Cabin(s) (min./max.)
- 2 / 3
- Berth(s) (min./max.)
- 4 / 8
- Head(s)
- 1
- Freshwater tank capacity
- 60.8 gal230 liters
J/Boats J/130 interior and accommodations - - 12/15
Picture extracted from the commercial documentation © J/Boats
Picture extracted from the commercial documentation © J/Boats
J/Boats J/130 interior and accommodations - - 13/15
Picture extracted from the commercial documentation © J/Boats
Picture extracted from the commercial documentation © J/Boats
J/Boats J/130 interior and accommodations - - 14/15
Picture extracted from the commercial documentation © J/Boats
Picture extracted from the commercial documentation © J/Boats
J/Boats J/130 interior and accommodations - - 15/15
Picture extracted from the commercial documentation © J/Boats
Picture extracted from the commercial documentation © J/Boats
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