Laser Radial Ilca 6 Sailboat Review, Specs, and Listings

Bruce Kirby·1982·Laserperformance.com
Approximate drawing

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Hull Type
Monohull · daggerboard
Rig
Cat Rig
LOA
13.88' · 4.23 m
Disp.
128 lbs · 58 kg
First year
1982

The Laser Radial, now raced under the ILCA 6 designation, is a singlehanded dinghy with the same hull as the wider Laser family but its own intermediate rig. Bruce Kirby’s original Laser appeared in 1971, following a 1969 design conversation with Ian Bruce. The Radial later emerged as the middle of three interchangeable rigs, all fitted to the same 4.23 m hull.

Measurements

Dimensions 01

Length Overall
13.88 ft
Length on deck
—
Waterline Length
12.5 ft
Beam
4.49 ft
Draft
2.62 ft
Maximum Headroom
—
Air Draft
—

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Daggerboard
Rudder
1× —
Ballast
—
Displacement
128 lbs
Water Capacity
—
Fuel Capacity
—

Rig & sails 03

Rigging Type
Cat Rig
Mainsail luff
—
Mainsail foot
—
Foretriangle height
—
Foretriangle base
—
Forestay Length (estimated)
—
Sail Area
62 sqft

Calculations 04

Sail Area to Displacement Ratio
39.06
Ballast to Displacement Ratio
—
Displacement to Length Ratio
29.26
Comfort Ratio
2.07
Capsize Screening Ratio
3.56
Hull Speed
4.74 kn

What distinguishes the boat isn’t a separate mould or a different underwater body, but a self-contained sail plan intended for a particular sailor weight range.

Design and Construction

The Laser hull is built entirely from glass-reinforced plastic and has long been known for combining robust construction with low weight. The hull weighs 57 kg and has a beam of 1.42 m. The ILCA 6 uses this structure without modification.

Its foils follow the same material approach: both the centreboard and rudder are fibreglass. The daggerboard drops into a case aft of the mast step, while the rudder clips onto the transom gudgeons, helping to keep launching and recovery quick.

Because the same hull accommodates three rigs, the Radial’s identity rests on its lower mast section and sail. Both differ in size from those of the other variants; it is one of three rigs that can be used with the same hull.

Rig and Handling

The ILCA 6 uses the middle-sized sail and lower mast section in the Laser range, sitting between the full and 4.7 configurations. It is generally suited to sailors weighing between 60 kg and 75 kg, below the usual range for the full rig and above that of the youth-oriented 4.7.

The controls are deliberately minimal. Four lines govern the boat: mainsheet, vang, cunningham, and outhaul. This sparseness is as much a design statement as a constraint. It reduces tuning to the essentials, asking the sailor to read the wind and waves rather than manage an array of hardware.

In the early 2000s, the class added the Turbo Kit rigging as an evolution of the platform.

Suitability and Role

As one of three rigs available for a common hull, the Radial serves as a graduate step and a masters’ racing platform rather than as a separate boat. Its 57 kg hull and 1.42 m beam make it a stable yet responsive single-hander, while the fibreglass foils help keep maintenance straightforward.

For sailors between 60 kg and 75 kg, the rig is intended to be neither overpowered nor toy-like. That balance helps explain its persistence as a standard international class configuration.

The Verdict

The Laser Radial, or ILCA 6, is a disciplined single-hander built around a proven, rugged fibreglass hull and a self-contained intermediate rig. Its four-line control system and clip-on rudder make it approachable, while the common hull keeps it within the largest one-design ecosystem in dinghy sailing.

Pros

  • The same robust 57 kg fibreglass hull used throughout the Laser class
  • A distinct lower mast section and sail sized for sailors weighing 60–75 kg
  • A minimal four-line rig that supports fast learning and straightforward tuning

Cons

  • Limited to the sailor weight range for which the rig is designed
  • No separate hull identity from the other Laser rigs

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