Montego 20 sailboat

Montego 20 sailboat DEFAULT

SA/Disp.:
A sail area/displacement ratio below 16 would be considered under powered;
16 to 20 would indicate reasonably good performance;
above 20 suggests relatively high performance.
SA/D = SA (ft²) ÷ (Disp (lbs) / 64)^.666
Bal./Disp.:
A Ballast/Displacement ratio of 40 or more translates into a stiffer, more powerful boat that will be better able to stand up to the wind.
Bal./Disp = ballast (lbs)/ displacement (lbs)*100
Disp./Len.:
The lower a boat's Displacement/Length (LWL) ratio, the less power it takes to drive the boat to its nominal hull speed.
less than 100 = Ultralight;
100-200 = Light;
200-275 = Moderate;
275-350 = Heavy;
350+ = Ultraheavy;
D/L = (Disp / 2240) / (0.01*LWL)^3.
Comfort Ratio:
This is a ratio created by Ted Brewer as a measure of motion comfort. It provides a reasonable comparison between yachts of similar size and type. It is based on the fact that the faster the motion the more upsetting it is to the average person. Consider, though, that the typical summertime coastal cruiser will rarely encounter the wind and seas that an ocean going yacht will meet.
Numbers below 20 indicate a lightweight racing boat;
20 to 30 indicates a coastal cruiser;
30 to 40 indicates a moderate bluewater cruising boat;
40 to 50 indicates a heavy bluewater boat;
over 50 indicates an extremely heavy bluewater boat.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam^1.33), where displacement is expressed in pounds, and length is expressed in feet.
Capsize Screening Formula (CSF):
Designed to determine if a boat has blue water capability. The CSF compares beam with displacement since excess beam contributes to capsize and heavy displacement reduces capsize vulnerability. The boat is better suited for ocean passages (vs coastal cruising) if the result of the calculation is 2.0 or less. The lower the better.
CSF = Beam/Disp (cubic ft)^.333. The displacement in cubic feet can be found by dividing the displacement in pounds by 64.
S#:
S# first appeared (that we know of) in TellTales, April 1988, “On a Scale of One to Ten” by A.P. Brooks . The equation incorporates SA/Disp (100% fore triangle) and Disp/length ratios to create a guide to probable boat performance vs. other boats of comparable size.   For boats of the same length, generally the higher the S#, the lower the PHRF.
Under 2 - Slow, under powered.
2-3 - Cruiser
3-5 - Racer Cruiser
5+ - Fast/Racing
S# = 3.972*(10^(-[@[Dsp/LWL]]/526+(0.691*(LOG([@[SA/Dp]])-1)^0.8)))

FOR MULTIHULLS ONLY:
BN - Bruce Number:
The Bruce Number is a power-to-weight ratio for relative speed potential for comparing two or more boats. It takes into consideration the displacement and sail area of main and jib. 100% fore-triangle only, no overlapping sails.
Chris White, "The Cruising Multihull", (International Marine, Camden, Maine, 1997), states that a boat with a BN of less than 1.3 will be slow in light winds. A boat with a BN of 1.6 or greater is a boat that will be reefed often in offshore cruising.
Derek Harvey, "Multihulls for Cruising and Racing", International Marine, Camden, Maine, 1991, states that a BN of 1 is generally accepted as the dividing line between so-called slow and fast multihulls.
BN = SA^0.5/(Disp. in pounds)^.333
Kelsall Sailing Performance (KSP): Another measure of relative speed potential of a boat. It takes into consideration "reported" sail area, displacement and length at waterline. The higher the number the faster speed prediction for the boat. A cat with a number 0.6 is likely to sail 6kts in 10kts wind, a cat with a number of 0.7 is likely to sail at 7kts in 10kts wind.
KSP = (Lwl*SA÷D)^0.5*.05 

Sours: https://sailboatdata.com/sailboat/montego-20

Montego 20

Sailboat class

The Montego 20 is an Americantrailerablesailboat that was designed by Johannes "Jopie" Helsen as a pocket cruiser and first built in 1976.[1][2][3]

The Montego 20 is a fixed keel development of the swing keelMontego 19.[1][3][4]

Production[edit]

The design was built by Universal Marine in St. Petersburg, Florida, United States from 1976 until 1985, but it is now out of production.[1][3][5]

Design[edit]

The Montego 20 is a recreational keelboat, built predominantly of fiberglass, with wood trim. It has a fractionalsloop rig with a deck-stepped mast, a raked stem, a plumb transom, a transom-hung rudder controlled by a tiller and a shoal draft keel. It displaces 1,700 lb (771 kg) and carries 600 lb (272 kg) of ballast.[1][3]

The boat has a draft of 2.00 ft (0.61 m) with the standard shoal-draft keel, allowing operation in shallow water or ground transportation on a trailer.[1][3]

The boat is normally fitted with a small 3 to 6 hp (2 to 4 kW) outboard motor for docking and maneuvering.[1][3]

The design has sleeping accommodation for four people, with a double "V"-berth in the bow cabin and two straight settee berths in the main cabin. The galley is located on both sides, just aft of the bow cabin. The galley is equipped with a single-burner stove to port and sink to starboard. A 50 US qt (47 l) icebox doubles as the companionway step. The head is located in the bow cabin, under the "V"-berth. Cabin headroom is 48 in (122 cm).[1][3]

The design has a PHRF racing average handicap of 282 and a hull speed of 5.6 kn (10.4 km/h).[3]

Operational history[edit]

In a 2010 review Steve Henkel wrote, "the Montego 20 is based on the Montego 19 ... with slightly expanded dimensions and weight. She also has a two-foot deep stub keel in place of a swing keel, which adds 10" to her minimum draft. That in combination with her 2,300 lb. weight (versus 2,150 for the Montego 19) makes her less easily trailered than the Montego 19 ... Best features: She is said to track well, no doubt mainly because of her long stub keel. The seven-foot cockpit is roomy and has high coamings for good back support. Ventilation includes four opening ports in addition to a forward hatch and companionway hatch— great for summer climates. Her average PHRF of 282 seems a bit high, particularly against other similarly shallow fixed-keelers with more top hamper (above-the-water superstructure) like the Buccaneer 200 .... Worst features: Her very shallow keel can sideslip, especially in heavy air, reducing speed and pointing ability. The hardware as shipped is minimal; missing are a vang, cunningham, and quick-release jibsheet cleats, along with a better system for cleating the mainsheet. Her particular non-skid deck pattern can be slippery when wet."[3]

See also[edit]

Related development

References[edit]

Sours: https://en.wikipedia.org/wiki/Montego_20
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Are you also asking for advice on a good trailer sailer, or just have a live Montego 20 on the hook, and debating whether or not to get it?

Here's the sailboatdata sheet for it: http://sailboatdata.com/viewrecord.asp?class_id=56

If you want advice on a similar fixed keel trailer sailer, try a Com-Pac 19

I think I rather fancy a ballasted shoal keel with centerboard style boat, myself, such as my O'day 192, or Precision 18. Going a bit bigger, there's the Precision 21. The West Wight Potter 19 is a beloved boat, but it has a lifting keel. The new International Marine Voyager 20 is based on the WWP19 hull, but has ballasted keel/centerboard setup.

That's almost one of the definitions of a trailer sailor, is no deep keel, for easy launch retrieval. To get enough center of resistance in a shoal keel without resorting to lifting keel, swing keel, or shoal keel/centerboard combo, you have to make the shallow keel longer, as in the Com-Pac 19, but I personally don't like the sluggish turning of a long shoal keel. The other way to go is a shoal wing keel, in boats such as the Catalina Capri 18.

 

Sours: https://forums.sailboatowners.com/threads/need-info-on-a-montego-20.166172/
Sailing and Motoring the Montego 20 in Charlotte Harbor
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Montego 25
Length: 25'    Beam:  9'    Draft:  4'
Year: 1983
Type: cruiser
Hull: fiberglass  monohull
Location: Cincinnati, Ohio
Asking: $10,995
Sailboat Added 18-Jun-2021  More Details

1982 Clear Lake Texas 25 MONTEGO Montego Yacht
Length: 25'    Beam:  9.08'    Draft:  4.60'
Year: 1982
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Clear Lake, Texas
Asking: $8,000
Sailboat Added 21-Jul-2012  More Details

1984 Key West Florida 25 Montego
Length: 25'    Beam:  9.08'    Draft:  4.5'
Year: 1984
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 diesel inboard
Location: Key West, Florida
Asking: $2,600
Sailboat Added 17-Mar-2019  More Details

1984 Nova Scotia Canada Outside United States 25'3 Montego
Length: 25'3'    Beam:  9'1'    Draft:  3'6'
Year: 1984
Type: cruiser
Hull: fiberglass  monohull
Engine: gas outboard
Location: Nova Scotia Canada, Outside United States
Asking: $7,500
Sailboat Added 07-Feb-2012  More Details



Montego 25
Length: 25'    Beam:  9'    Draft:  4'
Year: 1985
Type: other
Hull: fiberglass  monohull
Engine: 0 gas outboard
Location: Lewisberry, Pennsylvania
Asking: $500
Sailboat Added 18-May-2016  More Details

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Sours: https://www.sailboatlistings.com/sailboats/Montego

Sailboat montego 20

The Montego s slightly bigger sister

Last Updated on Sun, 20 Jun 2021 | Cruising Sailboats

Montego Sailboat

outboard 3 to 6 hp 26%

Jopie Helsen

Universal Marine Corp.

1982-1984

portable portable

Min./max. draft: Bridge clearance: Power: B/D ratio:

outboard 3 to 6 hp 26%

Designer: Builder:

Years produced: Sail area: Fuel tankage: Water tankage:

Jopie Helsen

Universal Marine Corp.

1982-1984

portable portable

Approx. trailering wgt.: 3,300 lbs.

The Montego 20 is based on the Montego 19 (page 45) with slightly expanded dimensions and weight. She also has a two-foot deep stub keel in place of a swing keel, which adds 1011 to her minimum draft. That in combination with her 2,300 lb. weight (versus 2,150 for the Montego 19) makes her less easily trailered than the Montego 19. A single-burner alcohol stove and a sink came as standard, and a 50-quart ice chest doubles as the companionway step. The mast is deck-stepped above a compression strut. The porta-potti is under the V-berth. Best features: She is said to track well, no doubt mainly because of her long stub keel. The seven-foot cockpit is roomy and has high coamings for good back support. Ventilation includes four opening ports in addition to a forward hatch and companionway hatch— great for summer climates. Her average PHRF of 282 seems a bit high, particularly against other similarly shallow fixed-keelers with more top hamper (above-the-water superstructure) like the Buccaneer 200 (page 87). Worst features: Her very shallow keel can sideslip, especially in heavy air, reducing speed and pointing ability. The hardware as shipped is minimal; missing are a vang, cunningham, and quick-release jibsheet cleats, along with a better system for cleating the mainsheet. Her particular non-skid deck pattern can be slippery when wet.

Avg.

Max.

Motion

Space

No. of

Head

Comps

LOD

Beam

MinDr

Displ

Bllst

SA/D

D/L

PHRF

Speed

Index

Index

Berths

room

Chrysler 20

20' 0"

7' 11"

1' 11"

1,950

500

18.3

149

264

5.7

10.1

311

4

3' 9"

Buccaneer 200 (20)

20' 5"

8' 0"

2' 0"

2,100

750

18.6

183

276

5.6

10.9

336

4

3' 6"

Signet 20

19' 10"

6' 8"

2' 0"

2,146

800

18.5

234

NA

5.4

15.4

200

4

4' 0"

Wild Wind 20

20' 0"

7' 11"

2' 0"

2,200

800

18.3

168

NA

5.7

11.5

302

6

4' 3"

Montego 20

19' 6"

7' 2"

2' 0"

2,300

600

17.4

184

282

5.6

14.0

246

4

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