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1983 Lindenberg 28 – This is the boat!

Expired
$20,000 USD

Seller's Description

Looking for a PHRF racer that will keep you on the podium and always having to fleet “thinking about where you are from the start”. Encore is a light air assassin. Rated 126 in North Florida. 2021 Mug Race – 38-mile river race in very light and shifting air – 1st Mono hull to finish. This is a turn key PHRF racer that looks and races top of fleet. Starts planning around 8.5 knots and speeds in the high teens are common. This is hull # 4 of only 12 built! Built in 1983 by Lindenberg Yachts Length 28ft Draft 5’3 Beam 9’3 Weight 4000 Mast original replaced by Isomat mast 5 hp Tohatsu Propane outboard 2019 Electronics Battery 12v Dual Marine Digital Media receiver with 4 speakers Prosport 6 heavy duty marine battery charger Velocitek – Shift Solar Powered Tactical Compass Garmin – GNX Wireless Wind Pack with wireless sensor and display Garmin – GPSMAP 742 Location Rudder Club of Jacksonville General Information Boat name: Encore Previously Slippery Ghost, Merritt Island, Florida and Starstruck out of Davis Island Yacht Club of Tampa Keel and Rudder faired to templates in the 90’s Recent Renovations include – Complete Hull painted 2020 – Huckins Marine New Lewmar primary and secondary deck winches replaced 2020 2020 Trogear Bowsprit – AS 30R professionally installed by Holland Marine Deck repaired and recored 2015 New Non-Skid Deck 2015 New Bulkhead installed 2015 New Chain plates and Mast Step 2015 New Running Rigging and lots of additional hardware including adjustable genoa tracks

Sail Inventory New set of Sobstad Sails – 2020 including: #1 Jib 137% #2 Jib 97% Main A2 asymmetrical spinnaker South Sails 2015 Inventory – Good shape 1# 155 2# 120 ¾ oz symmetrical spinnaker 1.5 oz symmetrical spinnaker Delivery main 2 spinnaker poles aluminum and carbon

This is a turn key boat that has been dry sailed with numerous upgrades.

Available for Serious inquiries for further information.

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Specs

Designer
Paul Lindenberg
Builder
Lindenberg Yachts
Associations
?
# Built
12
Hull
Monohull
Keel
Fin
Rudder
Spade
Construction
FG

Dimensions

Length Overall
27 11 / 8.5 m
Waterline Length
24 5 / 7.5 m
Beam
9 6 / 2.9 m
Draft
5 2 / 1.6 m
Displacement
4,000 lb / 1,814 kg
Ballast
2,000 lb / 907 kg

Rig and Sails

Type
Sloop
Reported Sail Area
393′² / 36.5 m²
Total Sail Area
379′² / 35.2 m²
Mainsail
Sail Area
175′² / 16.3 m²
P
32 6 / 9.9 m
E
10 9 / 3.3 m
Air Draft
?
Foresail
Sail Area
204′² / 18.9 m²
I
37 0 / 11.3 m
J
10 11 / 3.4 m
Forestay Length
38 7 / 11.8 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
9.2 kn
Classic: 6.62 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

9.16 knots
Classic formula: 6.62 knots
Sail Area/Displacement
25.0
>20: high performance

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.
24.96
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
50.0
>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

50.0
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
122.3
100-200: light

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
122.26
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
12.0
<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
11.97
<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
2.4
>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
2.4
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Alternate (tall) rig:
I: 38.00’ / 11.58m
J: 11.00’ / 3.35m
P: 33.50’ / 10.21m
E: 11.00’ / 3.35m

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

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