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Seller's Description

This is a beautiful and rare 1981 Southern Cross 28. There were only 70 of these boats made, this one is number 58. According to the owner, the boat was freshwater kept most of its life until it recently came to Tampa.

It’s a mostly fiberglass boat with foam core and teak trim throughout. It was built by CE Ryder and designed by Thomas Gillmer.

The cockpit provides tiller steering with Raymarine autopilot along with Signet depth/speed meter and Ritchie compass.

There are a nice canvas dodger and cockpit cover from 2013, which adds nicely to the style, profile, and comfort of this boat.

There is a clean, and according to the owner, well working Universal diesel to motor you out. When you’re ready. raise the nice Doyle mainsail from 2016, staysail, and jib with Furlex 100 roller furling.

This boat is equipped with 30 amp shore power connection and power cord, two house batteries and one starter battery with 12 volt charger.

The convenient layout allows the head to be closed off for privacy. The head includes a hot water heater, shower, and manual raw water flush.

The spacious V-berth is for staying overnight along with everything else you need to make getting away fun and enjoyable.

This boat looks ready to sail away today! It’s a well priced and rare boat!

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Specs

Designer
Thomas Gillmer
Builder
C. E. Ryder
Associations
?
# Built
?
Hull
Monohull
Keel
?
Rudder
?
Construction
FG

Dimensions

Length Overall
30 4 / 9.3 m
Waterline Length
20 2 / 6.2 m
Beam
8 5 / 2.6 m
Draft
4 7 / 1.4 m
Displacement
8,500 lb / 3,856 kg
Ballast
3,400 lb / 1,542 kg (Lead)

Rig and Sails

Type
Cutter
Reported Sail Area
415′² / 38.6 m²
Total Sail Area
415′² / 38.6 m²
Mainsail
Sail Area
189′² / 17.6 m²
P
31 0 / 9.5 m
E
12 2 / 3.7 m
Air Draft
?
Foresail
Sail Area
226′² / 21 m²
I
34 9 / 10.6 m
J
12 11 / 4 m
Forestay Length
37 1 / 11.3 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?
Engine Hours
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
5.5 kn
Classic: 6.02 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

5.5 knots
Classic formula: 6.02 knots
Sail Area/Displacement
15.9
<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.
15.94
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.0
<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

39.99
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
462.0
>350: ultraheavy

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
462.0
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
32.5
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
32.47
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
1.7
<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
1.67
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Also called GILLMER 28.

This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.

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