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Seller's Description

The prettiest 28-ft production sailboat ever built. Classic lines, with a full keel and attached rudder. I bought this boat in 2006 and spent hundreds of hours (and $6,000) over the following three years to bring it back to bristol condition. The restoration is chronicled on my website (google sea sprite restoration). Saba has been sitting in my yard covered for the past six seasons. I’ve done more work on her during that time, mainly in the galley, and I’ve reapplied a fresh coat of Epiphanes varnish to the exterior brightwork every year.

Equipment: New items (from 2006-2010 refit)

TP-10 Tilerpilot Garmin 180 GPS (mounted next to companionway) Icom VHF radio BlueSea Systems 10-switch electrical panel (with room for three more switches) teak and holly cabin sole Tempo fuel tank and fuel gauge Gravity-drain holding tank running rigging Vetus hatches (2) port lights (4) cowl vents Sunbrella upholstery lenses for opening ports (4) CQR anchor and bow roller VHF compass GPS running rigging 12-v batteries berth lights (saloon) oil lamp (saloon) overhead lights (galley) spreader boots Windex cutlass bearing fuel tank hoses engine mounts exhaust hose propeller shaft coupling cowl vents (2) stern light lenses for anchor light and starboard and port navigation lights steaming/deck light stainless steel fuel through-deck fitting stainless steel through-deck fitting for anchor rode stainless steel waste through-deck fitting propeller nut and zincs ____

Also includes

winter frame/cover and boat stands boarding ladder life preservers bag for life preservers life preserver cushions (2) Orion kit

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Specs

Designer
Alfred E. Luders
Builder
C. E. Ryder
Association
Seasprites Association
# Built
45
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG

Dimensions

Length Overall
33 9 / 10.3 m
Waterline Length
91 10 / 28 m
Beam
26 2 / 8 m
Draft
13 1 / 4 m
Displacement
12,800 lb / 5,806 kg
Ballast
5,000 lb / 2,268 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
529′² / 49.2 m²
Total Sail Area
529′² / 49.2 m²
Mainsail
Sail Area
279′² / 26 m²
P
40 5 / 12.3 m
E
13 9 / 4.2 m
Air Draft
?
Foresail
Sail Area
250′² / 23.2 m²
I
39 0 / 11.9 m
J
12 9 / 3.9 m
Forestay Length
41 0 / 12.5 m

Auxilary Power

Make
Universal
Model
30
HP
25
Fuel Type
Diesel
Fuel Capacity
18 gal / 68 l
Engine Hours
?

Accomodations

Water Capacity
50 gal / 189 l
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
6.2 kn
Classic: 6.57 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

6.22 knots
Classic formula: 6.57 knots
Sail Area/Displacement
15.5
<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.
15.47
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
39.1
<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

39.06
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
412.6
>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
412.55
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
32.9
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
32.89
<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
1.8
<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
1.75
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Also called the LUDERS 34.

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

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