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 drawn by Alan Wright and built by Lotus Yachts from 1980, with about 150 completed. Wright's earlyeighties design pairs 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 fin keel and transom-hung rudder. At a beam near twelve feet over a thirty-foot waterline, the length-to-beam ratio is 2.93, roomier than 79 percent of comparable sailboats. Displacement is 10,980 pounds with 3,854 pounds of lead ballast, a 35-percent ratio. Wetted surface is about 398 square feet and immersion runs 1,237 pounds per inch.

Rig and Handling

The fractional rig carries 624 square feet of sail for a sail-area-to-displacement ratio of 20.2. Mainsheet is 86.9 feet of 14-millimeter line; jib and genoa sheets 34.7 feet; spinnaker sheet 76.4 feet. The fin keel draws 5.74 to 6.04 feet by load, suiting most marinas yet holding windward. Displacement-length ratio of 182 marks her a moderate racer, with hull speed near 7.3 knots.

Performance Profile

Capsize screening is 2.13, a figure that excludes her from ocean-race acceptance. Motion Comfort Ratio is 20.0, more comfortable than only 18 percent of similar designs — built for responsiveness over a soft ride.

Accommodations

The 2.93 length-to-beam proportion gives a saloon footprint unusual for a 35-footer. Solid hull and wood-composite deck keep structure simple; the transom rudder eases steering-gear service.

Known Issues

Caveats are performance-based: the capsize screen and comfort ratio flag offshore and motion limits. No hidden construction defect is indicated.

The Verdict

The Lotus 10.6 uses beam and moderate displacement for cruiser space with racer handling. She is a coastal and passage cruiser, not a bluewater racer.

Pros

  • Beamier than 79 percent of comparable designs for interior volume
  • 624 sq ft sail and 20.2 SA/D ratio for lively performance
  • Load-dependent draft of 5.74–6.04 ft balances access with windward ability
  • Solid fiberglass hull and 3,854 lb lead ballast in 10,980 lb displacement

Cons

  • Capsize screening of 2.13 rules out ocean-race categories
  • Comfort Ratio below 82 percent of similar boats for ride softness
  • Moderate racer displacement-length ratio favors responsiveness over load range

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