Madden & Lewis Bird (Sf. Bay)
Sailboat
30′ 1″
Since 1923
Overview
- Builder
- Madden & Lewis
- Model
- Bird (Sf. Bay)
- Type
- Sailboat
- Built
- 1923 on
- Designer
- Fred C.Brewer / Alden & Associates
- Hull
- Long Keel
- Hull material
- Wood
- Rig
- Fractional Sloop
Dimensions
- Length overall
- 30′ 1″ (9.17 m)
- Waterline length
- 24′ 8″ (7.53 m)
- Beam
- 7′ 8″ (2.35 m)
- Displacement
- 9,000 lb (4,082 kg)
- Ballast
- 4,600 lb (2,087 kg)
Sails and rig
- Sail area
- 450 sq ft (41.8 m²)
- I (foretriangle height)
- 20′ 3″ (6.17 m)
- J (foretriangle base)
- 9′ 6″ (2.90 m)
- P (mainsail luff)
- 32′ (9.75 m)
- E (mainsail foot)
- 20′ 6″ (6.25 m)
Design ratios
- Sail area / displacement
- 16.7
- Displacement / length
- 267
- Ballast ratio
- 51%
- Capsize screening
- 1.48
Power from the sails for the boat's weight. Under 16 is modest, 16–20 a typical cruiser, over 20 lively.
How heavy the boat is for its waterline. Under 200 is light, 200–300 moderate, over 300 heavy.
Share of the weight that is ballast. Higher generally means stiffer in a breeze.
Under 2 is generally considered better for offshore use.
More details
- Construction
- Wood
Data from Mauri Pro Sailboat Data. Check details with the builder before relying on them.