Seller's Description
1979 Pearson 40 is in great condition with many upgrades.Everything works. Mambo is a sailaway vessel . New Bottom Paint fall 2022. Decks and Cockpit newly Painted. The interior is in great shape.
Equipment: Anchor Gear 30 feet 5/16 G4 Ht Chain 200 feet Anchor Line 3 Strand 200 feet 5/16 G4 HT Chain 55lb Delta Anchor 45lbb Bruce Anchor Maxwell RC 8 Windlass
2 Sets of Sails Harken Roller Furling Hood High Cut 130 Genoa Hood Main Sail 2 Reefs. Both Sails Very Good Condition
UK Sails X Cut Racing/Cruising Genoa 155 UK Sails X Cut Racing /Cruising Mainsail Both sails EXC Condition Cost 5 years ago $13000.00 Used 3 short seasons Summertime .
Deck and Cockpit New 2022 Non Skid New using 2 Part Interlux Perfection
Mast and Rigging in overall Very Good condition with all new (2021) upper mast wire .
Dodger in good condition.
280 total Watt Solar Panels with 100 Watt Charge Controller One 2000 Watt continuous Inverter One 800 Watt Continuous Inverter
Four AGM House Batteries Group 31 Very Good Condition One AGM Battery for Windlass Group 24 Very Good Condition
CPT Wheel Pilot Excellent working Order One Wind Pilot Self Steering Stern Mounted
10 foot Avon VG Condition 5 HP Honda Outboard Excellent Working Order
Westerbeke 40 2500 Hours Aprox. Excellent Working Order New 2021 ZF 45C Hydraulic Transmission Three Blade Low Profile Propeller .Campell. Built in Canada Very Low Drag.
Specs
- Designer
- William Shaw
- Builder
- Pearson Yachts
- Associations
- ?
- # Built
- 71
- Hull
- Monohull
- Keel
- Stub + Centerboard
- Rudder
- Spade
- Construction
- FG
Dimensions
- Length Overall
- 39′ 11″ / 12.2 m
- Waterline Length
- 31′ 3″ / 9.5 m
- Beam
- 12′ 6″ / 3.8 m
- Draft
- 4′ 3″ / 1.3 m — 4′ 3″ / 1.3 m
- Displacement
- 22,800 lb / 10,342 kg
- Ballast
- 12,200 lb / 5,534 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 803′² / 74.6 m²
- Total Sail Area
- 803′² / 74.6 m²
Mainsail
- Sail Area
- 353′² / 32.8 m²
- P
- 47′ 0″ / 14.3 m
- E
- 14′ 11″ / 4.6 m
- Air Draft
- 60′ 0″ / 18.3 m
Foresail
- Sail Area
- 450′² / 41.9 m²
- I
- 52′ 11″ / 16.2 m
- J
- 16′ 11″ / 5.2 m
- Forestay Length
- 55′ 8″ / 17 m
Auxilary Power
- Make
- Westerbeke w/v-drive
- Model
- 40
- HP
- 37
- Fuel Type
- Diesel
- Fuel Capacity
- 46 gal / 174 l
- Engine Hours
- ?
Accomodations
- Water Capacity
- 90 gal / 341 l
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 2
Calculations
- Hull Speed
-
7.6 kn
Classic: 7.49 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
-
16.0
<16: under powered
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
-
53.5
>40: stiffer, more 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
-
333.0
300-400: 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
-
35.7
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
-
1.8
<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
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