J/70

Main

Appendages
Lifting keel : fin with bulb, lifting
Award(s)
European Yacht of the Year: Special Yacht
Category
One design sailboat
Construction
GRP (glass reinforced polyester): Sandwich fiberglass polyester
Country
United States
EC design category
C
First built hull
2012
Helm
Single tiller
Hull type
Monohull
Model
J/70
Rudder
Single transom hung rudder
Sailboat builder
J/Boats
Sailboat designer
Alan Johnstone
Standard public price ex. VAT (indicative only)
About 35 400 € (2020)
Trailerable
Yes
Unsinkable
No

Dimensions

Ballast Type
Lead
Ballast type
Lead
Ballast weight
290.0
Beam
2.25
Displacement
812.0
Draft
1.45
Draft when appendages up
0.9
Hull length
6.93
Light displacement (MLC)
795.0
Mast height from DWL
10.0
Max Draft
1.5
Overall length
6.93
Waterline length
6.24

Sails

Asymmetric spinnaker area
45.0
Downwind sail area
61.07
E
2.88
Est. Forestay Length
8.49
Fore area
9.55
I
8.16
J
2.34
Jib area
10.31
Mainsail area
16.07
Mast configuration
Deck stepped mast
Number of levels of spreaders
1
P
7.97
Rigging type
Sloop Marconi fractional
Rotating spars
No
Spars construction
Carbon fiber spars
Spreaders angle
Swept-back
Standing rigging
1x19 strand wire continuous
Total area
21.0
Upwind sail area
26.38

Engine

Engine(s)
1 outboard engine
Engine(s) power
3.0
Engine(s) power peak
4.0
Fuel type
Gas

Performance

Ballast ratio
36.0
Capsize Screening Formula
2.43
Comfort Ratio
9.12
Critical hull speed
6.06
Displacement-length ratio (DLR)
93.0
Downwind sail area to displacement
71.16
Upwind sail area to displacement
30.74

Accomodation

Berth(s)
2
Cockpit
Open aft cockpit

Saloon

Fore_cabin

Aft_cabin

The J/70 is a popular one-design sailing boat that was designed by Alan Johnstone and introduced in 2012. It is a small, high-performance keelboat that is known for its speed, maneuverability, and competitive racing.

Here are some key features and characteristics of the J/70:

1. Size and Design: The J/70 measures 6.93 meters (22.75 feet) in length and has a beam of 2.25 meters (7.38 feet). It has a lightweight, high-performance hull design with a fixed keel and a retractable carbon fiber bowsprit.

2. Crew: The boat is designed to be sailed by a crew of three to four people, making it a great option for both competitive racing and casual sailing.

3. Performance: The J/70 is known for its excellent performance on the water. It has a large sail area-to-weight ratio, allowing it to achieve high speeds and accelerate quickly. The boat is also responsive and easy to handle, making it suitable for sailors of various skill levels.

4. One-Design Class: The J/70 is a strict one-design class, meaning that all boats are built to the same specifications. This ensures fair and competitive racing, as the focus is on the skill of the sailors rather than the equipment.

5. Racing: The J/70 has gained popularity as a racing boat, with numerous regattas and championships held worldwide. It is known for its close and exciting racing, attracting both professional and amateur sailors.

6. Accessibility: The J/70 is designed to be easily trailerable, allowing sailors to transport it to different sailing locations. Its lightweight construction and simple rigging make it relatively easy to launch and retrieve.

7. Community: The J/70 has a strong and active community of sailors, with many events and social gatherings organized by owners' associations and sailing clubs. This fosters a sense of camaraderie and provides opportunities for networking and learning.

Overall, the J/70 is a versatile and exciting sailing boat that offers thrilling racing and enjoyable sailing experiences for both experienced sailors and newcomers to the sport.

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