J/88 (J/Boats) - Sailboat specifications - Boat-Specs.com (2024)

Detailed sailboat specifications and datasheets since 2015

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Sailboat specifications

  • Last update: 13rd March 2020

The J/88 is a 29’2”(8.9m) cruiser-racer sailboat designed by Alan Johnstone (United States). She is built since 2013 by J/Boats (United States).

J/88's main features

Model

J/88

Hull type

Monohull

Category

Cruiser-racer sailboat

Sailboat builder

J/Boats

Sailboat designer

Alan Johnstone

Country

United States

Construction

GRP (glass reinforced polyester):
Sandwich fiberglass polyester (vacuum infusion)

First built hull

2013

Last built hull

Still in production

Appendages

Keel : fin with bulb

Helm

Single tiller

Rudder

Single rudder on amas with t-foils

Unsinkable

No

Trailerable

Yes

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

B

Standard public price ex. VAT (indicative only)

About

92 000

(2020)

J/88's main dimensions

Hull length

29’ 2”8.9 m

Waterline length

26’ 10”8.18 m

Beam (width)

9’ 6”2.9 m

Draft

6’ 6”1.98 m

Light displacement (MLC)

4960 lb2250 kg

Ballast weight

1874 lb850 kg

J/88's rig and sails

Upwind sail area

511 ft²47.5 m²

Downwind sail area

1319 ft²122.5 m²

Mainsail area

296 ft²27.5 m²

Genoa area

215 ft²20 m²

Asymmetric spinnaker area

1023 ft²95 m²

Rigging type

Sloop Marconi fractional

Mast configuration

Deck stepped mast

Rotating spars

No

Number of levels of spreaders

2

Spreaders angle

Swept-back

Spars construction

Carbon fiber mast and aluminum boom

Standing rigging

Dyform

J/88'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.

298 ft²/T27.66 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.

768 ft²/T71.34 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.

116

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 %

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.

6.94 knots

J/88's auxiliary engine

Engine(s)

1 inboard engine

Engine(s) power

14 HP

Fuel type

Diesel

Fuel tank capacity

7.9 gal30 liters

J/88's accommodations and layout

co*ckpit

Open aft co*ckpit

Cabin(s)

1

Berth(s) (min./max.)

2 / 4

Head(s)

1

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J/Boats J/88 - - 1/13
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J/Boats J/88 sailplan - - 2/13
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J/Boats J/88 layout - - 3/13
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J/Boats J/88 layout - - 4/13
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J/Boats J/88 layout - - 5/13
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J/Boats J/88 layout - - 6/13
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J/Boats J/88 sailing - - 7/13
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J/Boats J/88 sailing - - 10/13
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J/Boats J/88 interior and accommodations - - 12/13
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J/Boats J/88 interior and accommodations - - 13/13
Picture extracted from the commercial documentation © J/Boats

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J/88 (J/Boats) - Sailboat specifications - Boat-Specs.com (2024)

FAQs

How much does a j88 sailboat weight? ›

Length (feet/inches): 29.19 Ft. Beam: 9.6 Ft. Weight of rigged boat without sails: 4,990 lbs.

How much does a j80 sailboat weight? ›

It displaces 2,900 lb (1,315 kg) and carries 1,400 lb (635 kg) of ballast. The co*ckpit is 12 ft (3.7 m) long and the hull has a sealed buoyancy compartment on the bow.

How many crews for J88? ›

J/88 Class Association

With maximum crew of six and strict sail limitations, the class rules help to keep costs under control and attracts sailors looking for a rewarding one design experience in a boat that also passes the all important family sailing test.

What is the dry weight of a sailboat? ›

Dry weight typically refers to the weight of the factory supplied minimum sail-away package, less fluids (fuel and water).

What is considered a heavy displacement sailboat? ›

I'll spare you the formula, but keep in mind that this is a dimensionless number – in other words, it makes no difference if the boat is a dinghy or an ocean liner. If her D/L is 400 she is considered to be in the heavy displacement realm.

What does a dagger board do on a sailboat? ›

The purpose of the daggerboard (or any keel) is to balance the force of the wind on the sails. Without a daggerboard or keel, a sailboat could not sail up-wind and would simply be blown sideways. During a storm, daggerboards can help reduce the tendency of a small boat to tip over ("breach") due to waves.

What makes a sailboat bluewater? ›

A bluewater sailboat is designed to tackle long open sea cruising, such as an ocean crossing. The vessel is solidly-built and seaworthy, which means it can withstand any weather conditions. A bluewater cruiser is self-sufficient, so you can sail offshore for an extended period of time.

What does RAF mean in sailing? ›

This means that the sailor only realized at the end of the race that they have broken a rule. Since the consequences of the infringed rule can no longer be applied, the sailors receive the rank "RAF", or retired after finish.

What is a J88 in South Africa? ›

The J88 form, which is a medico-legal form in South Africa, is endorsed as prima facie evidence in cases of violence against women. This is endorsed by the Criminal Procedure Amendment Act, 2008 (Act 65 of 2008) (South Africa).

How much does a J 24 sailboat weight? ›

J/24
Development
ConstructionGRP
Hull weight1,406 kg (3,100 lb)
LOA7.32 m (24.0 ft)
LWL6.10 m (20.0 ft)
23 more rows

How much does a J70 sailboat weigh? ›

The J70 weighs 1750 pounds (794 kilos), so it's easy to tow on a trailer.

How much does a Precision 15 sailboat weight? ›

With an unobtrusively low centerboard trunk and an elegantly simple swept spreader three-stay rig, the Precision 15 is beautiful both to see and to sail. And at only 390 pounds fully rigged, she's a snap to trailer and launch. You'll enjoy many years of safe and spirited sailing in your Precision 15.

How much do War Eagle boats weigh? ›

POWER BOATS
POWER BOATSLengthWeight (lbs)
542 LDV15'295
542 MV15'305
542 VS15'375
548 LDV15'325
42 more rows

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