Lotus 10.6 Sailboat Review, Specs, and Listings

Alan Wright·1980·~150 hulls·Lotus Yachts
Approximate drawing

Hover a measurement to read its value

Hull Type
Monohull · fin
Rig
Fractional Sloop
LOA
34.75' · 10.59 m
Disp.
10,980 lbs · 4,980 kg
First year
1980

The Lotus 10.6 is a 34foot9inch fractional sloop designed by Alan Wright and built by Lotus Yachts from 1980, with about 150 completed. This early1980s design combines moderate displacement with a beamy hull for coastal cruising and club racing.

Measurements

Dimensions 01

Length Overall
34.75 ft
Length on deck
—
Waterline Length
30 ft
Beam
11.83 ft
Draft
5.75 ft
Maximum Headroom
—
Air Draft
—

Construction & hull 02

Construction
Fiberglass/Wood Composite
Hull Type
Monohull
Keel Type
Fin
Rudder
1× Transom-Hung
Ballast
3,854 lbs (Lead)
Displacement
10,980 lbs
Water Capacity
—
Fuel Capacity
—

Rig & sails 03

Rigging Type
Fractional Sloop
Mainsail luff
—
Mainsail foot
—
Foretriangle height
—
Foretriangle base
—
Forestay Length (estimated)
—
Sail Area
624 sqft

Calculations 04

Sail Area to Displacement Ratio
20.21
Ballast to Displacement Ratio
35.1
Displacement to Length Ratio
181.55
Comfort Ratio
20.11
Capsize Screening Ratio
2.13
Hull Speed
7.34 kn

Design and Construction

The hull is solid fiberglass, with a wood-composite deck, fin keel, and transom-hung rudder. The transom rudder also makes the steering gear easier to service.

With a beam of nearly twelve feet on a thirty-foot waterline, the Lotus 10.6 has a length-to-beam ratio of 2.93. That makes her roomier than 79 percent of comparable sailboats. Displacement is 10,980 pounds, including 3,854 pounds of lead ballast, for a ballast ratio of 35 percent. Wetted surface is about 398 square feet, and immersion is 1,237 pounds per inch.

Rig and Handling

The fractional rig carries 624 square feet of sail, giving a sail-area-to-displacement ratio of 20.2. The mainsheet is 86.9 feet of 14-millimeter line; jib and genoa sheets are 34.7 feet, and the spinnaker sheet is 76.4 feet.

The fin keel draws 5.74 to 6.04 feet by load, a range that suits most marinas while retaining windward ability. A displacement-to-length ratio of 182 places her among moderate racers, and hull speed is near 7.3 knots.

Performance Profile

The Lotus 10.6 has a capsize screening figure of 2.13, which excludes her from ocean-race acceptance. Her Motion Comfort Ratio is 20.0, making her more comfortable than only 18 percent of similar designs. Those figures point to a boat designed more for responsiveness than a soft ride.

Accommodations

The 2.93 length-to-beam proportion creates a saloon footprint unusual for a 35-footer. This generous beam is central to the boat’s appeal as a cruiser, providing interior volume while supporting the design’s moderate-racer character.

Known Issues

The principal caveats are performance-based. The capsize screening figure and comfort ratio flag limits in offshore suitability and motion comfort. No hidden construction defect is indicated.

The Verdict

The Lotus 10.6 uses generous beam and moderate displacement to combine cruiser space with racer-like handling. She is a coastal and passage cruiser, but not a bluewater racer.

Pros

  • Beamier than 79 percent of comparable designs, providing generous interior volume
  • 624 square feet of sail and a 20.2 sail-area-to-displacement ratio for lively performance
  • Load-dependent draft of 5.74–6.04 feet balances marina access with windward ability
  • Solid fiberglass hull and 3,854 pounds of lead ballast within a displacement of 10,980 pounds

Cons

  • Capsize screening figure of 2.13 rules her out of ocean-race categories
  • Comfort Ratio is below that of 82 percent of similar boats, indicating a less gentle ride
  • Moderate-racer displacement-to-length ratio favors responsiveness over load-carrying range

Similar sailboats

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