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Bacchant Iv
Designer: Knud H Reimers  ·  Builder: Västerås Hardplast  ·  First built: 1964
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About the Bacchant Iv

Designed by renowned Swedish naval architect Knud H. Reimers and built by Västerås Hardplast from 1964 to 1986, this classic 35-footer represents traditional Scandinavian sailing yacht design at its finest. With only 80 hulls produced during its 22-year production run, the Bacchant IV maintains an exclusive presence on the water while embodying the robust construction and seaworthy characteristics that made Reimers famous throughout the sailing world. The yacht's long keel configuration and substantial displacement of 12,346 pounds, combined with generous ballast of 5,181 pounds, creates exceptional stability and directional control in challenging conditions. Her masthead sloop rig carries 506 square feet of sail area, providing adequate power while maintaining manageable sail handling for a small crew. The impressive comfort ratio of 35.28 and conservative capsize screening formula of 1.56 clearly position this vessel as a serious offshore cruiser capable of handling extended passages and heavy weather. Built with fiberglass construction during an era when quality craftsmanship was paramount, the Bacchant IV appeals to sailors seeking a proven bluewater cruiser with classic aesthetics and predictable handling characteristics that inspire confidence in any conditions.

Core Dimensions
LOA (Length Overall) 35.70 ft / 10.88 m
LWL (Waterline Length) 26.08 ft / 7.95 m
Beam 9.00 ft / 2.74 m
Max Draft 4.89 ft / 1.49 m
Displacement 12,346.00 lb / 5,600 kg
Ballast 5,181.00 lb / 2,350 kg
Sail Area (Reported) 506.00 ft² / 47.01 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG
Designer Knud H Reimers
Builder Västerås Hardplast
First Built 1964
Last Built 1986
Number Built 80
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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
15.21
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
41.97
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
310.71
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
35.28
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
1.56
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 6.84 kn
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 838.68 pounds/inch
How It Compares

vs. Clipper 36 Cheoy Lee, Columbia 36, Pilot 35 Hinckley

This boat Similar boats
Dimensions
LOA
Bacchant Iv ★
35.7 ft
Clipper 36 Cheoy Lee
35.6 ft
Columbia 36
35.8 ft
Pilot 35 Hinckley
35.8 ft
LWL
Bacchant Iv ★
26.1 ft
Clipper 36 Cheoy Lee
25.0 ft
Columbia 36
27.8 ft
Pilot 35 Hinckley
25.0 ft
Beam
Bacchant Iv ★
9.0 ft
Clipper 36 Cheoy Lee
10.8 ft
Columbia 36
10.5 ft
Pilot 35 Hinckley
9.5 ft
Displacement
Bacchant Iv ★
12 lbs
Clipper 36 Cheoy Lee
16 lbs
Columbia 36
12 lbs
Pilot 35 Hinckley
13 lbs
Ballast
Bacchant Iv ★
5 lbs
Clipper 36 Cheoy Lee
5 lbs
Columbia 36
5 lbs
Pilot 35 Hinckley
4 lbs
Sail Area
Bacchant Iv ★
506 sq ft
Clipper 36 Cheoy Lee
635 sq ft
Columbia 36
556 sq ft
Pilot 35 Hinckley
550 sq ft
Performance
SA / Displacement (higher = more powerful)
Bacchant Iv ★
15.2
Clipper 36 Cheoy Lee
15.9
Columbia 36
17.0
Pilot 35 Hinckley
15.4
Ballast / Disp (higher = stiffer)
Bacchant Iv ★
42.0 %
Clipper 36 Cheoy Lee
Columbia 36
Pilot 35 Hinckley
33.6 %
Comfort Ratio (higher = more comfortable offshore)
Bacchant Iv ★
35.3
Clipper 36 Cheoy Lee
37.7
Columbia 36
26.8
Pilot 35 Hinckley
37.4
Capsize Screening (lower = safer)
Bacchant Iv ★
1.56
Clipper 36 Cheoy Lee
1.70
Columbia 36
1.84
Pilot 35 Hinckley
1.59
Displacement / Length (lower = lighter)
Bacchant Iv ★
310
Clipper 36 Cheoy Lee
Columbia 36
Pilot 35 Hinckley
391
Hull Speed
Bacchant Iv ★
6.8 kts
Clipper 36 Cheoy Lee
6.7 kts
Columbia 36
7.1 kts
Pilot 35 Hinckley
6.7 kts
Speed Number (higher = faster)
Bacchant Iv ★
Clipper 36 Cheoy Lee
0.8
Columbia 36
2.2
Pilot 35 Hinckley
1.1
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