Seller's Description
“MONARCA” is a Nor’Sea 27 CC designed by Lyle Hess and built by Heritage Marine. The vessel is a masthead sloop pocket cruiser with center cockpit and an aft cabin. Known as a “Go anywhere heavy weather long distance blue water pocket cruiser”. The Nor’ Sea 27 is built by hand with up to 22 layers of mat and woven roving. The vessel features a 27hp Yanmar diesel for auxiliary power. She has very similar lines to other Lyle Hess designed vessels with a shallow full keel. The large sail area and long waterline provide excellent performance in both light and heavy air. Like all Hess boats, this is a remarkably big boat for her deck length and trailerable as well.
Equipment: Yanmar 3GM30F New 15gal Diesel tank located under V-berth Rocna 30lb anchor 150’ chain 150’ rope Autohelm ST 2400 Tiller Autopilot Garmin GPS echoMAP DV Vesper Marine AIS Transponder Standard Horizon Explorer VHF Radio Balmar DC System Monitor West Marine 20A Dual Battery Charger 100W Solara Flexible solar panel LED Cabin Lights(soft white) 12V Refrigeration w/ top and front access 40 gallon fresh water capacity w/ foot pump Taylor’s Bronze Alcohol 2 burner gimbaled stove/oven Taylor’s Bronze Alcohol space heater Doyle Tanbark Main sail w/built in stack pack and lazy jacks Doyle Tanbark Jib w/ roller furler Portable self-contained head
Specs
- Designer
- Charles Morgan
- Builder
- Heritage Yacht Corp.
- Associations
- ?
- # Built
- ?
- Hull
- Monohull
- Keel
- Fin
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 27′ 0″ / 8.2 m
- Waterline Length
- 25′ 5″ / 7.8 m
- Beam
- 8′ 0″ / 2.4 m
- Draft
- 3′ 6″ / 1.1 m
- Displacement
- 7,900 lb / 3,583 kg
- Ballast
- 3,900 lb / 1,769 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 404′² / 37.5 m²
- Total Sail Area
- 404′² / 37.6 m²
Mainsail
- Sail Area
- 172′² / 16 m²
- P
- 32′ 9″ / 10 m
- E
- 10′ 5″ / 3.2 m
- Air Draft
- ?
Foresail
- Sail Area
- 232′² / 21.6 m²
- I
- 38′ 8″ / 11.8 m
- J
- 12′ 0″ / 3.7 m
- Forestay Length
- 40′ 6″ / 12.4 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- 2
Calculations
- Hull Speed
-
7.9 kn
Classic: 6.77 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
-
16.3
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
-
49.4
>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
-
212.9
200-300: moderate
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
-
21.9
20-30: coastal cruiser
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
-
2.0
<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
The HERITAGE SUPER 27 later became the CHRYSLER 27 and then the TMI 27.
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