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1970 Morgan 30

Listed
Price Reduced
$3,900 USD
$6,000

Seller's Description

Great condition 1970 Morgan 30 MK1. Includes 2 mains, 3 head sails, and 2 spinnakers. Upgraded Yanmar 28HP diesel engine (serviced seasonally), Upgraded bow and stern pulpits, solar panel, fenders, dodger, bimini, new sheets, and lots of extras. The following upgrades have been done in Spring 2024: New starter, stuffing box, shaft, battery, 3 blade prop re-balanced, and new exhaust elbow. This boat sails great in all conditions and is very solid. Low draft allows access to the most remote locations. No soft spots on any surfaces. Very clean interior.

Specs

Designer
Charles Morgan
Builder
Morgan Yachts
Associations
?
# Built
320
Hull
Monohull
Keel
Stub + Centerboard
Rudder
Spade
Construction
FG

Dimensions

Length Overall
29 11 / 9.1 m
Waterline Length
24 1 / 7.4 m
Beam
9 3 / 2.8 m
Draft
3 6 / 1.1 m 3 6 / 1.1 m
Displacement
10,500 lb / 4,763 kg
Ballast
4,500 lb / 2,041 kg (Lead)

Rig and Sails

Type
Sloop
Reported Sail Area
467′² / 43.4 m²
Total Sail Area
467′² / 43.4 m²
Mainsail
Sail Area
233′² / 21.6 m²
P
33 9 / 10.3 m
E
13 8 / 4.2 m
Air Draft
42 8 / 13 m
Foresail
Sail Area
234′² / 21.7 m²
I
39 0 / 11.9 m
J
12 0 / 3.7 m
Forestay Length
40 9 / 12.4 m

Auxilary Power

Make
Universal
Model
Atomic 4
HP
?
Fuel Type
Gas
Fuel Capacity
14 gal / 53 l
Engine Hours
?

Accomodations

Water Capacity
37 gal / 140 l
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
6.7 kn
Classic: 6.58 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

6.67 knots
Classic formula: 6.58 knots
Sail Area/Displacement
15.6
<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.
15.58
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
42.9
>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

42.85
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
333.0
300-400: 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
332.95
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
32.2
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
32.16
<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
1.69
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

A similar boat called the KK30 was available in kit form.
An updated version called the MORGAN CLASSIC 300 has a different interior arrangement and slightly taller rig.
Morgan introduced another 30 footer in 1972 (listed here as the MORGAN 30-2) which is an entirely different design.

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

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