manta 19 yacht

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Manta 19 Yacht / Trailer Sailer

Manta 19 Yacht

At present we have very little information available on the Manta 19 trailer sailer. We would appreciate any contributions for our readers. Please contact us on the email given at the bottom of the page.

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Length : 5.66m Beam : 2.07m Weight : 680kg Sail Area : 270 sq ft

I have had my Manta 19 for 3 years now. It is my first yacht. My previous sailing experience was with windsurfers, mainly sinkers and waveboards. The Manta is a very good first yacht, she has a displacement of 680kgs and has a shoal draft keel and centreplate. She has a good turn of speed on all points of sail. I keep mine on a mooring on the Clyde. Like all small yachts she is a bit tender in a blow. Constructed from GRP she is well finished has 4 berths, albeit a bit cramped or cosy if you like. For safety it has in-built foam bouyancy. There have been over 1000 built, manufacture ended in the mid 1980’s. Although she is not particularly easy to launch and recover from a trailer because of the keel I would recommend her as a great starter yacht. Bill Beattie Scotland 14th November, 2005. Sun was shining and forecast force 3 – 5 so went for a sail. Mainsail reefed (only one position available) before leaving and furling genoa full out. A bit blowy odffshore as I left North Berwick (Firth of Forth, Scotland) but a couple of rolls in the genoa did the trick. I would guess mostly F4 gusting F5. What a great afternoon. Single handed sailing with confidence. Lifting out for the winter is a much over rated pastime!! Lazy Daze (Manta 19) My comments were going to be word for word the same as Bills (below). I have had my Manta 19 “Tiller Girl” for just a little longer. My first boat she has given me so much pleasure. I sail on the East coast, mainly on the Stour and Orwell rivers but hope to venture farther afield next year. Her lifting keel is ideal for our shallow waters – great for getting into little creeks. I am told there is a fleet of them in Woodbridge, Suffolk that race. There is a web site www.toddie.demon.co.uk that provides good information on the Manta 19. It includes the Manta 19 brochure, drawing of the centre keel plate, pictures of other manta 19’s and a message board. I have a Manta 19 moored on Coniston Water. Alan Yeomans My name is Geoff and I spent two and a half years from when I left school building the manta 19 as a yacht fitter.Just as a point of intrest there where two other boats built at Blakes Marine and one of them was a shorter version called the Manta 16.If my memory serves me right this was designed by the managing director Dave Hutchinson Hello, I’ve just brought a Manta 19 sail number 1176 built by Blakes Marine in 1978. Having spent a few weeks sailing, motoring and tidying up fittings and rigging, I have to say she is a wonderful boat, easy to sail, well built, nice lines and a well thought out layout. There must be over a thousand very smug Manta owners out there. I am from amsterdam the netherlands i own a manta 19 with number 1114 built in1977 by blake,s Having her for almost6 years nowshe named BIG BAMBU and i sail her on the Ijselmeer and the north sea also had made a trip from ijmuiden to lowestoft in 2007 single handed 105 miles in 25 hours not bad for a little ship like this.

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• Sailboat Guide

Manta 19 is a 18 ′ 6 ″ / 5.7 m monohull sailboat designed by Anton de Dood Miglitsch and built by Sunbeam Yachts - Schöchl Yachtbau starting in 1973.

Rig and Sails

Auxilary power, accomodations, calculations.

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.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

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.

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.

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.

Ballast / Displacement * 100

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.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

• D: Displacement of the boat in pounds.
• LWL: Waterline length in feet

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.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

• D: Displacement of the boat in pounds
• LOA: Length overall in feet
• Beam: Width of boat at the widest point in feet

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.

CSV = Beam ÷ ³√(D / 64)

Available with bilge keels Many were built under licence in the UK. (Blakes Marine Services Ltd.) Originally recommended outboard: 5hp longshaft Achimedes Penta

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Review of Manta 19

Basic specs..

Both the hull and the deck is made of hand laid fibreglass. Generally, a hull made of hand laid fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

The interior is like many other boats made of mahogany. Mahogany belongs to the hardwood species, known for being water-repellent and resistant to decay. It has an attractive wood grain and holds wood polish and varnish well. The boat is equipped with one cabin, 4 berths and a galley.

The boat has more than one rig. One option is a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.

The Manta 19 is equipped with a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.

The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated. As the surface of a fin type keel is just a fraction of the total wet surface, the difference between an iron keel and a lead keel can in reality be ignored for cruising yachts.

Manta 19 can enter even shallow marinas as the draft is just about 0.90 - 1.00 meter (2.95 - 3.25 ft) dependent on the load. See immersion rate below.

An outboard motor is often used on this boat. In that case the boat will typically require a power of 1 - 2 hp, alternatively 30 - 36 lbs thrust if you prefer an electrical motor. Electric outboards are becoming popular for sailboat owners who want clean instant power with less noise and no exhaust fumes.

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Capsize Screening Formula (CSF)?

The capsize screening value for Manta 19 is 2.37, indicating that this boat would not be accepted to participate in ocean races.

Manta 19 holds one CE certification:

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 5.4 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Manta 19 is about 69 kg/cm, alternatively 390 lbs/inch. Meaning: if you load 69 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 390 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is a Ballast Ratio?

What is Displacement Length Ratio?

What is SA/D (Sail Area Displacement ratio)?

Maintenance

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 11m 2 (118 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

We are always looking for new photos. If you can contribute with photos for Manta 19 it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve.

The Manta 19 is a 18.57ft masthead sloop designed by Anton Miglitsch and built in fiberglass by Sunbeam Yachts - Schöchl Yachtbau between 1973 and 1983.

1240 units have been built..

The Manta 19 is a light sailboat which is a reasonably good performer. It is stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.

Manta 19 for sale elsewhere on the web:

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• Manta History
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• Other Manta 19s
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According to old magazine articles, the Manta 19 was created by the Austrian designer Anton Miglich as a small cruiser/racer. David Hutchinson of Blakes Marine was showing their Kelpie yacht at the Friedrickshaven boat show in the early/mid 1970’s when he first saw the Manta 19. He arranged to have a series of test sails on the local lakes near to the Austrian builders (Schoechl Yachts) home base and he was so impressed that he negotiated permission to build 200 Manta 19s in the UK under licence.

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• Boat REF#  ·  114347
• Length  ·  5.66m
• Year  ·  1978
• Construction  ·  GRP
• Underwater profile  ·  Lifting Keel
• Sleeping berths  ·  4
• Engine  ·  1 x gasoline 2.5hp, Yamaha (2008)
• Lying  ·  Norfolk Broads

Boatshed Norfolk

This boat is off the market but here are some boats that are still for sale.

• Specification
• Additional Information

Extra Details

Aluminium spars (1978)

All new sails by Jeckells on 2010.

Construction

GRP "Trailer Sailor" yacht with lifting keel and bilge keels.

Accommodation

4 good sized berths (1.9 metres) in main saloon with 2 quarter berths and double or 2 singles in forepeak.

2 halyard winches 2 anchors (CQR and Mudweight) 10.00m of rode Rhond Anchors included.

Nav Equipment

Safety Equipment

Boat Safety Certificate until March 2013.

Broker's Comments

A practical cruiser with lifting keel and bilge keels. With all new sails and rigging this really is a great introduction to sailing. A new Yamaha 4 stroke engine adds to the attraction of this value for money package. Oh, and yes there is a road trailer included. A good clean dry boat she is very much ready to take way and enjoy.

These boat details are subject to contract. Note: Offers on the asking price may be considered.

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Cost Of Ownership