Bianca 414 Sailboat Review, Specs, and Listings

Elvstrom & Kjaerulff·1979 – 1982·~22 hulls·Bianca
Approximate drawing

Hover a measurement to read its value

Hull Type
Monohull · fin
Rig
Fractional Sloop
LOA
41.33' · 12.6 m
Disp.
18,122 lbs · 8,220 kg
First year
1979

The Bianca 414 is a 41foot Danish cruiser that emerged from the late1970s design board of Elvstrom & Kjaerulff and entered production at Bianca in 1979, with only 22 hulls completed by 1982. She sits at an interesting intersection of moderate racer and comfortable voyager, a fractionalsloop rig on a leadballasted fin keel, and her numbers tell a story of a slim, stiff, and quietly quick hull rather than a voluminous coastal dweller.

Measurements

Dimensions 01

Length Overall
41.33 ft
Length on deck
Waterline Length
33 ft
Beam
9.5 ft
Draft
7.75 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
1× Spade
Ballast
7,255 lbs (Lead)
Displacement
18,122 lbs
Water Capacity
100 gal
Fuel Capacity
22 gal

Rig & sails 03

Rigging Type
Fractional Sloop
Mainsail luff
52.16 ft
Mainsail foot
16.4 ft
Foretriangle height
46.59 ft
Foretriangle base
15.42 ft
Forestay Length (estimated)
49.08 ft
Sail Area
875 sqft

Calculations 04

Sail Area to Displacement Ratio
20.29
Ballast to Displacement Ratio
40.03
Displacement to Length Ratio
225.12
Comfort Ratio
39.33
Capsize Screening Ratio
1.45
Hull Speed
7.7 kn

Design and Construction

The 414 was drawn by the maritime architect bureau Elvstrom & Kjaerulff in the late seventies and built by the Danish yard Bianca anchor. Both hull and deck are fiberglass, with a lead fin keel drawing roughly 7.74 to 8.04 feet depending on load, a draft that confines her to major marinas anchor. At 41.33 feet overall with a 9.5-foot beam, her length-to-beam ratio of 4.34 and a displacement-length ratio of 229 place her among "moderate racers" rather than heavy-displacement cruisers. The interior is teak, consistent with period Danish practice.

Stability and Performance Profile

What distinguishes the 414 on paper is her ballast story: a 50% ballast ratio, higher than 95% of similar designs, paired with a capsize screening value of 1.44 and a Motion Comfort Ratio of 38.1 to 40.0 that reportedly exceeds 90% of comparable sailboats for ride quality anchor. She is slimmer than 100% of similar designs, which explains the moderate wetted surface of about 419 square feet. Under power she makes 8.0 knots against a theoretical hull speed of 7.7. The Relative Speed Performance of 62 means she is faster than 62% of similar designs, and in light wind the SA/D-based measure puts her ahead of 54% — respectable, though the same data shows she carries more rig than only 18% of similar boats, marking her as significantly underrigged for her size anchor.

Rig and Sail Handling

The 414 is a fractional sloop. With the ISO 8666 reference sail her SA/D is 17.8, rising to 20.6 with a 135% genoa. The standing and running rigging follow period dimensions: mainsail, jib/genoa, and spinnaker halyards are all 41 meters of 12 mm line, while sheets run 12.6 meters at 14 mm for jib and genoa, 31.5 meters at 14 mm for the mainsheet, and 27.7 meters for spinnaker sheets anchor. Control lines such as the cunningham, kicking strap, and clew outhaul are 12 mm and around 5 to 10 meters. The immersion rate of about 1,088 pounds per inch speaks to a hull that sits heavily but predictably when loaded.

Accommodations

Below, the 414 is finished in teak like most boats of her era. The saloon and berths follow the period cruiser-racer layout, a slim hull with generous ballast and a modest beam that trades cabin width for sea-kindly behavior.

The Verdict

The Bianca 414 is a scarce, thoughtfully proportioned Danish cruiser-racer whose limited production of 22 boats makes her a rarity on the used market. Her design strengths are measurable: exceptional ballast ratio, superior comfort indexing, and a slim easily-driven hull. The principal caveat is a rig that the data labels significantly undercanvased for her class, something a new owner may wish to address with a larger genoa or re-cut sails.

Pros

  • Lead fin keel with 50% ballast ratio, higher than 95% of peers
  • Motion Comfort Ratio better than 90% of similar designs
  • Slim hull (slimmer than 100% of comparable boats) with moderate wetted surface
  • Fractional sloop with documented rigging dimensions for easy renewal

Cons

  • Significantly underrigged versus similar sailboats; more rig than only 18% of designs
  • Draft of 7.74–8.04 ft limits her to major marinas
  • Only 22 built, so spares and comparable surveys are scarce

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