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1983 CE Ryder Sea Sprite 34

Listed
Expired
$30,000 USD

Seller's Description

The Sea Sprite 34 is a true New England-built classic sailing yacht. With its graceful fine lines and beautiful proportions, this boat was one of the final designs by famous American naval architect Alfred Edward “Bill” Luders, Jr. and was built by C. E. Ryder in Bristol, Rhode Island. With her full-keel and heavy displacement hull, she was built to smoothly cut through the waves and cross oceans. The port side galley includes an insulated ice chest, a two burner propane stove with oven and pressurized water. Opposite the galley to starboard is a navigation table. A starboard side quarter berth offers an additional berth or storage space. The main salon includes port and starboard side settees, with the starboard settee converting to a double berth. An enclosed head is forward to starboard and a v berth accommodating two is forward. This boat has had just one owner since 1983!

Equipment: Fresh Water Tank: 25 gal Diesel Fuel Tank: 18 gal Holding Tank: 25 gallons not used due to almost-new composting toilet Shower and teak shower drain Port and Starboard settees with cushions/storage beneath Starboard settee pulls out for a double berth Galley–deep stainless steel double sinks; Origo two burner gimbaled propane stove; large undercounter well-insulated ice box; Freshwater tap with foot pump; all-teak storage cabinets, lockers, and drawers. Built-in nav station and work desk on starboard side; Garmin GPS Chartplotter; VHF marine radio at navigation station; Raymarine depth finder; Raymarine knot meter/log; Weems and Plath clock and barometer. Rig and Rigging: Aluminum single-spreader mast and boom by Hall Spars; Roller furler for the fractional-rig genoa; Schaeffer mainsheet traveler and deck blocks; Stainless genoa tracks; All Lewmar winches. Sails and Canvas: North Sails Mainsail, two reef points; 150% North Sails Genoa Full-cockpit Bimini and Dodger Deck and Cockpit Equipment Large cockpit with plenty of seating; Edson pedestal: large stainless destroyer wheel, engine controls Cockpit-mounted Whale bilge pump; Emergency tiller; CQR 25# plow anchor on roller with 50 of chain with 150 of premium 8-plait marine nylon anchor line; CRQ 35# plow anchor for storm conditions; Danforth (extra) anchor with chain and line rode; 2 Dorade vents with removable round stainless cowls for extra ventilation; Teak hand rails on cabin top; Stainless tube bow pulpit on bowsprit; solid stainless stanchions and double lifelines; Stainless swim ladder; Mooring lines; Fenders; Safety Equipment.

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 11 / 10.4 m
Waterline Length
24 0 / 7.3 m
Beam
10 0 / 3.1 m
Draft
4 11 / 1.5 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
>400: very heavy

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.

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