Seller's Description
Almost fully renovated and upgraded Gib’Sea 40 for sale by owner. Sailed the last 3 years on the Chesapeake Bay - owner selling to downsize. Boat is now in good condition for her age. Could use 1 or 2 new sails as next step.
Refit in 2021 included: - Engine injectors cleaned, new starter, new alternator. - Rudder pulled and rebuilt with solid polyethylene core. - Mast pulled - new wires, antenna, anemometer, new lights. - All bulbs replaced with LEDs - Floors refurbished, fiberglass backs, varnished tops. - All cockpit seating removed, holes glassed over, sanded teak, remounted with caulk. - Damaged teak in aft cabin replaced. - Replaced all 3 side ports. - Replaced all windows (replacing them again this year with Lexan). - Several running lines replaced. - Forward cabin sole liner replaced. - New main salon cabin seat cushions on port side (Sunbrella). - New Batteries (2 AGM, 1 LA) - New Blue-Sea Battery controls. - AC Inverter/charger was refurbished. - New instruments (depth, speed, wind: GARMIN)
Refit in 2022 included: - New AC Paneltronics panels - New 12V paneltronics panels - New berth foam - New aft berth cushion covers - New AC system water pump
Refit in 2023 included: - New waste water hoses and valves - Bronze inlet valve, aft head. - All bulbs replaced with LEDs - New navigation lights (LEDs) - New fuel gauge and tank sensor
Previously: All hatches replaced (Lewmar).
Ballast is 6,900 lbs.
“Thankful” is ready for a new owner and could be sailed south, or used locally. One design defects in GibSea boats have already been corrected - the cockpit seat planks were bolted from inside. I removed the bolts and glassed over 84 holes!.
Oven and freshwater systems are delivered “As-is”, as I never used them, but they were reported working in 2017.
This boat sails incredibly well, in light air or heavy.
The hull exterior is in fair shape - some gelcoat “Crazing”, but it is not noticeable from a deck. The standing rigging seems fine - no bird-caging or frayed wires or rust.
Equipment: See above for refit items - Also includes: AC/heater (Working fine, 2024). Aft Davits. Pressurized Hot Water system warmed by the engine (Note: have never used this yet!). 2 Heads Spacious Aft Cabin V-Berth Gas Stove (never used or tested). Electric Freezer Ice Chest VHF Radio
SAILS: - Roller Furler - 135 Genoa was patched, should be replaced soon. - 80% Jib - good shape - roller/f. - Main - is Ok for now… - Asymmetric Spinnaker - never used: needs halyard shackle/pulley/line. - Huge under-cockpit storage locker - Charcoal grill (kettle style)
Recommended future updates: new halyards and new 135 Genoa.
Specs
- Designer
- Jacques Fauroux
- Builder
- Gib'sea/Gibert Marine
- Association
- Half Ton Class
- # Built
- 40
- Hull
- Monohull
- Keel
- Fin
- Rudder
- Spade
- Construction
- FG
Dimensions
- Length Overall
- 41′ 0″ / 12.5 m
- Waterline Length
- 25′ 3″ / 7.7 m
- Beam
- 12′ 6″ / 3.8 m
- Draft
- 4′ 11″ / 1.5 m
- Displacement
- 6,390 lb / 2,900 kg
- Ballast
- 2,200 lb / 1,000 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 559′² / 51.9 m²
- 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
- 3
Calculations
- Hull Speed
-
8.3 kn
Classic: 6.74 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
-
26.0
>20: high performance
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
-
34.5
<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
-
177.0
100-200: light
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
-
16.1
<20: lightweight racing 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
-
2.3
>2.0: better suited for coastal cruising
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
Originally intended for competition in the Solitaire du Figaro.(1989) (Single handed IOR 1/2 ton level racing during this period.)
A tamer, cruising version, with masthead rig, the GIB’SEA 90, was introduced a year later.
Of both versions it said that 40 were built.
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