Seller's Description
1971 Alberg 30, 12.000 usd - For the last 3 years she sailed the Caribbean.
From Guatemala to Honduras, Cuba, Jamaica, the Bahamas, the Turks & Caicos, the Dominican Republic, Puerto Rico, St. Martin, St. Barth, Antigua & Barbuda, Saba, Statia, Guadeloupe, Martinique, Dominica, St Vincent & The Grenadines, Grenada, Trinidad & Tobago
We recently prepared the boat to sail to the ABC Islands, Colombia, Panama, Belize & USA. But our plans changed. During hurricane Beryl we were in Trinidad & Tobago. Currently in Carriacou, Grenada.
Equipment: 20hp M3-20b Westerbeke-Universal inboard diesel
Bimini, solar, 75A ACDelco start battery 2 x Meba 90A deep cycle house batteries, Victron MPPT 100/30 solar charge controller, victron battery monitor, 2 x mainsail in decent condition, 120% genoa in good condition, 140% genoa in good condition (harken roller furler), 25 pound Manson Supreme anchor, Electric salt water / fresh water pump, autopilot
2024: New 330 feet (100 meters) g40 chain 8mm 2024: New antifouling bottom paint (Interlux) 2024: New bilge pump & float switch
2023: Stove top replaced by ENO marine stove 2023: New dometic starter & choke wire 2023: 800 watt inverter 2023: New 6-inch foam in the V-berth
2022: New alternator 2022: New starter 2022: New heat exchanger
2021: New Raymarine i40 depth sounder 2021: New Jabsco toilet pump 2021: Newmar DC electrical panel added 2021: All new chainplates (316 stainless steel)
Specs
- Designer
- Carl Alberg
- Builders
- ?
- Associations
- ?
- # Built
- 15
- Hull
- Monohull
- Keel
- Fin
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 29′ 11″ / 9.1 m
- Waterline Length
- 20′ 11″ / 6.4 m
- Beam
- 8′ 9″ / 2.7 m
- Draft
- 4′ 5″ / 1.4 m
- Displacement
- 11,000 lb / 4,990 kg
- Ballast
- 3,600 lb / 1,633 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- ?
- Total Sail Area
- ?
Mainsail
- Sail Area
- ?
- P
- ?
- E
- ?
- Air Draft
- ?
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 1
Calculations
- Hull Speed
-
5.4 kn
Classic: 6.14 kn
Hull Speed
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Formula
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
- Sail Area/Displacement
- ?
Sail Area / Displacement Ratio
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
Formula
SA/D = SA ÷ (D ÷ 64)2/3
- SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D: Displacement in pounds.
- Ballast/Displacement
-
32.7
<40: less stiff, less powerful
Ballast / Displacement Ratio
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Formula
Ballast / Displacement * 100
- Displacement/Length
-
530.5
>400: very heavy
Displacement / Length Ratio
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
Formula
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
- Comfort Ratio
-
39.4
30-40: moderate bluewater cruising boat
Comfort Ratio
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Formula
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
- D: Displacement of the boat in pounds
- LWL: Waterline length in feet
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
- Capsize Screening
-
1.6
<2.0: better suited for ocean passages
Capsize Screening Formula
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
Formula
CSV = Beam ÷ ³√(D / 64)
- Beam: Width of boat at the widest point in feet
- D: Displacement of the boat in pounds
Notes
Similar to, and alleged predecessor to the ALBERG 30. Local to the SF Bay Area (USA). More information has been promised.
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