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Banner 23
Designer: Ib Hauge Nielsen  ·  Builder: I. N. Fiberbåde A/S (Den)  ·  First built: 1983
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About the Banner 23

With limited documentation available, the Banner 23 remains something of an enigma in the small sailboat market, making it a curiosity for those researching vintage or lesser-known designs. This modest-sized sailboat appears to have been produced during an era when many manufacturers were experimenting with affordable entry-level sailing options for growing recreational markets. Based on its naming convention and likely dimensions, this vessel would have been positioned as a coastal cruiser or day sailer, suitable for protected waters and light recreational sailing. The Banner 23 probably featured the practical design elements common to boats of its class and era, emphasizing simplicity and affordability over cutting-edge performance or luxury appointments. For prospective buyers today, the scarcity of detailed specifications presents both challenges and opportunities. While parts availability and technical support may be limited, boats like the Banner 23 can offer unique character and potentially attractive pricing for sailors comfortable with older designs. Anyone considering this vessel should focus on finding examples in good structural condition, as restoration resources may be harder to locate than for more widely produced contemporaries.

Core Dimensions
LOA (Length Overall) 23.10 ft / 7.04 m
Beam 9.02 ft / 2.75 m
Max Draft 4.04 ft / 1.23 m
Displacement 1,323.00 lb / 600 kg
Ballast 408.00 lb / 185 kg
Ballast Type Lead
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Ib Hauge Nielsen
Builder I. N. Fiberbåde A/S (DEN)
First Built 1983
Related Sailboats Sonar · Pearson 23 · Jaguar 23 Tk · San Juan 23 · Spirit 23
Owner Reviews

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Performance Ratios
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
30.84
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
78.02
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
5.25
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. 5.94 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. 3.8 pounds/inch
Rig Dimensions
I (Foretriangle Height) 40.71
P (Mainsail Luff) 306.00 ft² / 28.43 m²
E (Mainsail Foot) Ib Hauge Nielsen
How It Compares

vs. Jaguar 23 Tk, Pearson 23, San Juan 23, Sonar, Spirit 23

This boat Similar boats
Dimensions
LOA
Banner 23 ★
23.1 ft
Jaguar 23 Tk
23.0 ft
Pearson 23
23.0 ft
San Juan 23
23.0 ft
Sonar
23.0 ft
Spirit 23
23.0 ft
LWL
Banner 23 ★
Jaguar 23 Tk
20.0 ft
Pearson 23
20.0 ft
San Juan 23
20.3 ft
Sonar
19.9 ft
Spirit 23
20.0 ft
Beam
Banner 23 ★
9.0 ft
Jaguar 23 Tk
8.2 ft
Pearson 23
8.0 ft
San Juan 23
8.0 ft
Sonar
7.8 ft
Spirit 23
7.9 ft
Displacement
Banner 23 ★
1 lbs
Jaguar 23 Tk
3 lbs
Pearson 23
3 lbs
San Juan 23
2 lbs
Sonar
2 lbs
Spirit 23
2 lbs
Ballast
Banner 23 ★
408 lbs
Jaguar 23 Tk
Pearson 23
1 lbs
San Juan 23
960 lbs
Sonar
930 lbs
Spirit 23
800 lbs
Sail Area
Banner 23 ★
Jaguar 23 Tk
254 sq ft
Pearson 23
238 sq ft
San Juan 23
Sonar
265 sq ft
Spirit 23
215 sq ft
Performance
PHRF Rating (lower = faster)
Banner 23 ★
Jaguar 23 Tk
Pearson 23
240 s/nm
San Juan 23
236 s/nm
Sonar
Spirit 23
240 s/nm
SA / Displacement (higher = more powerful)
Banner 23 ★
Jaguar 23 Tk
18.8
Pearson 23
16.6
San Juan 23
Sonar
25.9
Spirit 23
17.4
Ballast / Disp (higher = stiffer)
Banner 23 ★
30.8 %
Jaguar 23 Tk
Pearson 23
37.1 %
San Juan 23
35.6 %
Sonar
44.3 %
Spirit 23
28.6 %
Comfort Ratio (higher = more comfortable offshore)
Banner 23 ★
5.3
Jaguar 23 Tk
14.4
Pearson 23
16.3
San Juan 23
Sonar
10.0
Spirit 23
13.2
Capsize Screening (lower = safer)
Banner 23 ★
Jaguar 23 Tk
2.22
Pearson 23
2.11
San Juan 23
Sonar
2.45
Spirit 23
2.25
Displacement / Length (lower = lighter)
Banner 23 ★
78
Jaguar 23 Tk
178
Pearson 23
195
San Juan 23
143
Sonar
118
Spirit 23
156
Hull Speed
Banner 23 ★
5.9 kts
Jaguar 23 Tk
6.0 kts
Pearson 23
6.0 kts
San Juan 23
Sonar
6.0 kts
Spirit 23
6.0 kts
Speed Number (higher = faster)
Banner 23 ★
Jaguar 23 Tk
Pearson 23
2.6
San Juan 23
Sonar
5.2
Spirit 23
3.3
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