Seller's Description
C and C 27, 1971 sailboat for sale W/30HP Atomic 4 Gas Auxiliary
27’ Long, 8’ Wide, Draw 3.8 ‘ Weighs 7800 lbs Main Sail area of 150 ft.² Forward Genoa sail area 200 ft.² Folding Racing Prop. 1000# Lead Enhanced Keel Harken sidecar travelers Danforth Anchor and Rode Recent Major Tune-up New Saloon cushions Eight 2-speed Racing Winches Rear Stay Tuning Wheel Boatyard Cradle included Many boat maint. items also included Hull/Aux. Expertly Maintained and Housed. Auto Helm Spinnaker Spinnaker Pole Whisker Pole Harken roller furling head sails Radar Reflector Custom Trailer with Trailer Brakes, New Tires and Marine Bearing Buddies, tongue extension, and retractable support pads for bottom painting and dry dock repairs
Also Available: Blooper Sea Anchor Mooring Field Pendants and Hardware New Bimini and Dodger Beautiful, hand-laid, custom dingy Snoopy has sailed lake Michigan extensively and was a winner in the 1974 Chicago to Mackinac 333-mile Race and the twin-cities race. Trips have included Marinette-Washington Isle-Beaver Isle-Mackinaw City-DeTour Village-St. Mary’s River-Sault Ste. Marie-White Fish Point-Grand Marais-Munising-Marquette, Isle Royale, and several cruises to the Apostle Islands. She has been refitted in 2021 and is ready to Race or Cruise. She has a functioning Galley and Head, and sleeps 5 within V-Birth and Main Saloon. She sails well running or on a beat and accelerates very fast out of the turns. Beautiful Great Lakes Sailor. or phone 906-458-eight-one-six-two
Specs
- Designer
- C. William Lapworth
- Associations
- ?
- # Built
- 306
- Hull
- Monohull
- Keel
- Fin
- Rudder
- Spade
- Construction
- FG
Dimensions
- Length Overall
- 27′ 3″ / 8.3 m
- Waterline Length
- 22′ 4″ / 6.8 m
- Beam
- 8′ 11″ / 2.7 m
- Draft
- 4′ 5″ / 1.4 m
- Displacement
- 5,400 lb / 2,449 kg
- Ballast
- 2,720 lb / 1,236 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 350′² / 32.5 m²
- Total Sail Area
- 349′² / 32.4 m²
Mainsail
- Sail Area
- 142′² / 13.2 m²
- P
- 27′ 9″ / 8.5 m
- E
- 10′ 2″ / 3.1 m
- Air Draft
- ?
Foresail
- Sail Area
- 207′² / 19.2 m²
- I
- 34′ 6″ / 10.5 m
- J
- 12′ 0″ / 3.7 m
- Forestay Length
- 36′ 6″ / 11.1 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- 12 gal / 45 l
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
7.3 kn
Classic: 6.33 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
-
18.2
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
-
50.5
>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
-
216.1
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
-
18.7
<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
-
2.1
>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
The first in a series of 3 Cal 27s, all by Lapworth, but different designs.
(The later versions are generally referred to as CAL 2-27, and CAL 3-27.)
An IOR 1/2 ton version was called the CAL T/2.
TALL RIG:
I: 37.5’
J: 12.0’
P: 30.5’
E: 10.5’
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