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- Sailboat Guide
Jonmeri 48 is a 47 ′ 7 ″ / 14.5 m monohull sailboat designed by Karl-Johan Stråhlmann and built by Maestro Boats and Jonmeri Yachts starting in 1988.
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)
Updated by Stråhlmann. Several layouts available. A version without the ‘Deck Salon’ is called the JONMERI 482.
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JONMERI sailing yachts are built by the twenty-three-year old yard, which also builds well known sailing boats e.g. MAESTRO 35 and MAESTRO 38. The yard is located on the West Coast of Finland, only 20 km away from Nautor Swan and 2 km from Baltic Yacht. This is the area where most of the Finnish boat building industry is situated and the area ...
Jonmeri Yachts: Maestro Boats (FIN) Download Boat Record: Notes. Shown here is an updated version with rig, keel, and rudder redesigned by Stråhlman. ... Like the LWL, it will vary with the weights of fuel, water, stores and equipment. A boat's actual draft is usually somewhat more than the original designed or advertised draft. For boats ...
JONMERI sailing yachts are built by the twenty-three-year old yard, which also builds well known sailing boats e.g. MAESTRO 35 and MAESTRO 38. The yard is located on the West Coast of Finland, only 20 km away from Nautor Swan and 2 km from Baltic Yacht. This is the area where most of the Finnish boat building industry is situated and the area ...
Jonmeri boats for sale 4 Boats Available. Currency $ - USD - US Dollar Sort Sort Order List View Gallery View Submit. Advertisement. Save This Boat. Jonmeri 40 . Portsmouth, Rhode Island. 1982. $106,000 Seller Northrop & Johnson Yachts-Ships LLC (RI) 37. Contact (401) 848-5500. ×. Save This Boat. Jonmeri 48 Pilot House ...
Jonmeri 482 is a 14.5 m monohull sailboat designed by Karl-Johan Stråhlmann and built by Maestro Boats and Jonmeri Yachts starting in 1988. Designer.
The Jonmeri 40 looks like 20-30 year old boats at first sight. This is not surprising - the Jonmeri yachts are not chasing fashion and ultra-modern solutions, but are good sailing cruisers whose contours, exterior shapes and even layout solutions have long been proven. The 40th model is no exception, positioning itself as a reliable and safe ...
The Jonmeri 48 was conceived as a model of long-distance cruisers, in which Finnish shipbuilders tried to concentrate the best of their experience. Architecturally, the boat is a hybrid of classic European architecture and a pilot house construction (with an outstanding wheelhouse). The low deckhouse, which completes the elongated superstructure, conceals the internal control post together ...
Jonmeri 33 is a 33′ 0″ / 10.1 m monohull sailboat designed by Karl-Johan Stråhlmann and built by Maestro Boats and Jonmeri Yachts starting in 1979. Great choice! Your favorites are temporarily saved for this session.
The talented Finnish naval architect Jorma Nyman founded the small shipbuilding company Jonmeri in the 1980s. It took the company less than 10 years to make a name for itself and gain a foothold in the market for cruising and sports cruising sailing boats. One of the most famous boats was the Jonmeri 40, presented at the Helsinki Boat Show in 1993.
Jonmeri 40 for sale in Rockport Maine. View pictures and details of this boat or search for more Jonmeri boats for sale on boats.com. 1987 Jonmeri 40, Rockport Maine - boats.com
Jonmeri 40. A sailboat built by Jonmeri, the 40 is a cruisers vessel. Jonmeri 40 boats are typically used for overnight-cruising and sailing. Got a specific Jonmeri 40 in mind? There are currently 28 listings available on Boat Trader by both private sellers and professional boat dealers.
Jonmeri 40 is a 39′ 8″ / 12.1 m monohull sailboat designed by Karl-Johan Stråhlmann and built by Maestro Boats and Jonmeri Yachts starting in 1981. Great choice! Your favorites are temporarily saved for this session.
The Jonmeri 33 was produced by the brand Jonmeri from 1979 to 2000. Jonmeri 33 is a 10.07 meters cruising yacht with a Mediterranean cockpit with a draft of 1.88 meters. The yacht has a fiberglass / grp hull with a CE certification class (A) and can navigate in the open ocean. The Jonmeri 33 is no longer in production and the price of used ...
Portsmouth United States $106,000 USD. The 1982 40' JONMERI 40 Cruising Sailboat CONSTANCE is a sail boat for sale located in Portsmouth, Rhode Island, United States. Contact the yacht broker to receive more information or schedule a showing of this 1982 40' JONMERI 40 Cruising Sailboat CONSTANCE yacht for sale in Portsmouth, Rhode Island, USA ...
Jonmeri 40 boats for sale 2 Boats Available. Currency $ - USD - US Dollar Sort Sort Order List View Gallery View Submit. Advertisement. Save This Boat. Jonmeri 40 . Portsmouth, Rhode Island. 1982. $106,000 Seller Northrop & Johnson Yachts-Ships LLC (RI) 37. Contact (401) 848-5500. ×. Save This Boat. Jonmeri 40 ...
Several layouts available. A version without the 'Deck Salon' is called the JONMERI 482. Suggest Improvements. Source: sailboatdata.com / CC BY. Embed. Jonmeri 48 is a 47′ 7″ / 14.5 m monohull sailboat designed by Karl-Johan Stråhlmann and built by Maestro Boats and Jonmeri Yachts starting in 1988.