Lohi 34 Information, Review, Specs

Make
Model
Number Built
Production Year(s)
1978 - ??

The Lohi 34, also known as the Joemarin 34, is a robust Finnish cruising sailboat designed by the renowned naval architect Hans Groop. Built by Joemarin OY, with production commencing around 1978, this monohull was conceived to offer reliable performance and a comfortable platform for sailing enthusiasts. While initially marketed in some instances as a motor sailer, the Lohi 34's well-designed hull ensures it performs admirably under sail, earning it a reputation for solid construction and pleasing lines within the sailing community.

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The story of the Lohi 34 begins in 1978, launched by Joemarin OY, a Finnish boatbuilder operating from Joensuu between 1976 and at least 1982. The company, though no longer active, contributed to the rich tradition of Finnish boatbuilding, focusing on practical and well-designed cruising yachts. The Lohi 34's design came from the pen of Hans Groop, a prolific Finnish yacht designer celebrated for over a hundred designs, including the internationally recognized H-Boat. Groop's philosophy typically favored practical, seaworthy vessels that offered competent sailing characteristics.

While some marketing during the 1970s positioned the Lohi 34 as a "motor sailer," Groop's underlying hull shape ensured that the boat retained strong sailing capabilities. The interior layout was notably influenced by Guy Christer Lönngren, among others. Owners have noted that Joemarin, and possibly Lohi Oy, made changes during the production run, with later models potentially featuring a higher cockpit.

Sailing Performance and Handling

The Lohi 34 is characterized by a displacement of 12,125 lbs, a length overall of 34.16 feet, and a waterline length of 28.67 feet. Her fin keel and skeg-hung rudder underscore a design aimed at a balance of performance and control.

Interpreting its key ratios, the Lohi 34 presents as a capable cruiser. With a Sail Area to Displacement Ratio of approximately 16.68, she is a moderate performer, suggesting she will move well in a range of conditions without being overly sensitive in light airs or underpowered in stronger winds. Her impressive Ballast to Displacement Ratio of approximately 0.509 indicates a highly stiff and stable vessel, capable of standing up to significant wind and providing a comfortable, secure motion in a seaway. The Displacement to Length Ratio of around 229.45 places her firmly in the moderate displacement category, indicating a substantial boat with good load-carrying capacity, suitable for extended cruising, yet nimble enough for enjoyable sailing. These figures, combined with a reported high aspect ratio masthead sloop rig, suggest a boat that is "reasonably good performer" for its class. 5 in previous search, 2 in current search, 8 in previous search Owners have confirmed that despite any "motor sailer" branding, the boat sails effectively.

Accommodations and Layout

The interior of the Lohi 34, partially designed by Guy Christer Lönngren, is designed for comfortable cruising. With a beam of 10.33 feet, she is considered "quite narrow" by modern standards, but provides a functional living space. A common and highly desirable feature found in many Lohi 34 models is a center cockpit configuration, which often allows for an expansive aft cabin. 6 in previous search, 8 The interior typically includes a galley and a toilet facility, providing essential amenities for cruising. While specific headroom figures are not readily available, the overall volume is often praised by owners for a boat of its length. 15 in previous search The emphasis is on practical and robust construction, aligning with the builder's reputation.

Owner's Perspectives

Owners frequently praise the Lohi 34 for its exceptionally solid construction, noting its "thick solid GRP hull" and balsa-cored deck. This robust build quality contributes to a sense of security and durability, often highlighted as a significant strength. The boat's "nice lines" and competent sailing performance are also consistently appreciated. Many owners express high satisfaction with their vessels, enjoying them for extended periods and often only upgrading to larger yachts. While specific recurring problems are not widely documented, the general sentiment among owners points to a reliable and well-loved cruiser.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Skeg-Hung
Ballast
6173 lbs
Displacement
12125 lbs
Water Capacity
96 gal
Fuel Capacity
49 gal

Engine

Engine Make
Volvo Penta
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Diesel
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Masthead Sloop
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Main Sail Area
-
Foretriangle Sail Area
-
Total Sail Area (Reported)
506 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
34.16 ft
LWL
28.67 ft
Beam
10.33 ft
Draft
4.58 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
7.17 kn
Pounds per Inch Immersion
1