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Sailboat Specifications

Indra 28

Masthead Sloop · Long Keel

Designed by Olle Enderlein · First built 1963

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LOA 27.72 ft  ·  Beam 7.97 ft  ·  Displacement 5,952.00 lb  ·  Sail Area 313.00 ft²  ·  Masthead Sloop  ·  Long Keel
About the Indra 28 Sailboat

With limited documentation available, the Indra 28 represents one of those intriguing sailboats that has maintained a low profile in the crowded 28-foot market segment. This boat appears to have been designed primarily for coastal cruising and weekend sailing, appealing to sailors seeking a manageable size without sacrificing comfort. Based on typical characteristics of boats from this era and size range, the Indra 28 likely features a moderate displacement hull form that balances performance with stability. The 28-foot length suggests accommodation for a small family or couple, with the cockpit and cabin layout optimized for day sailing and short-term cruising adventures. What makes lesser-documented boats like the Indra 28 particularly interesting to researchers is their potential value proposition. Often built by smaller manufacturers or produced in limited runs, these sailboats can offer solid construction and thoughtful design details that may have been overlooked by the broader market. For prospective buyers considering an Indra 28, the limited available information means thorough inspection and surveying become even more critical. However, this same scarcity can translate into unique ownership of a distinctive sailboat that stands apart from more common production models in anchorages and marinas.

Dimensions & Specifications
LOA (Length Overall) 27.72 ft / 8.45 m
LWL (Waterline Length) 20.01 ft / 6.10 m
Beam 7.97 ft / 2.43 m
Max Draft 4.10 ft / 1.25 m
Displacement 5,952.00 lb / 2,700 kg
Ballast 2,646.00 lb / 1,200 kg
Sail Area (Reported) 313.00 ft² / 29.08 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG
Designer Olle Enderlein
First Built 1963
Related Sailboats Stella 26 · Atlante · Contessa 28 · East Anglian 28 · Yankee 28
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Frequently Asked Questions

What is the Indra 28's sail area to displacement ratio?

The Indra 28 has a Sail Area to Displacement ratio (SA/D) of 15.29. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Indra 28's comfort ratio?

The Indra 28 has a Ted Brewer Comfort Ratio of 25.95. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Indra 28 safe for offshore sailing?

The Indra 28 has a Capsize Screening Formula value of 1.76. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Indra 28?

The theoretical hull speed of the Indra 28 is 5.99 knots, calculated from its waterline length.

How much does a Indra 28 weigh?

The Indra 28 has a displacement of 5,952.00 lb and a length overall (LOA) of 27.72 ft.

Who designed the Indra 28?

The Indra 28 was designed by Olle Enderlein, first built in 1963.