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JONMERI 40

Built by Jonmeri (FIN) • Designed by Jorma Nyman
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JONMERI 40 - Photo
JONMERI 40 - Drawing

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General Information

Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
First Built: 1981
Number Built: 30

Dimensions

Length Overall (LOA): 12.10 m
Length Waterline (LWL): 10.00 m
Beam: 3.85 m
Draft (Max): 2.10 m

Weight & Ballast

Displacement: 8,573 kg
Ballast: 4,037 kg
Ballast Type: Lead

Sail Plan

Foresail Area: 41.55 m²
Mainsail Area: 28.49 m²
Sail Area: 70.05 m²
Sail Area (reported): 70.05 m²
I (Fore Triangle Height): 16.30 m
J (Fore Triangle Base): 5.10 m
P (Mainsail Hoist): 14.25 m
E (Boom Length): 4.00 m
Est. Forestay Length: 17.08 m

Engine & Systems

Engine Make: BMW
Engine Type: Diesel
Engine Model: D-45
Engine Power: 45 HP
Fuel Capacity: 201 L
Water Capacity: 401 L

Performance Ratios

Hull Speed: 7.67 knots
SA/Displacement (Calc): 17.07
SA/Displacement (Reported): 17.07
Ballast/Disp Ratio: 47.09%
Displacement/Length: 239.11
Comfort Ratio: 28.59
Capsize Screening: 1.90
S-Number: 2.29
Immersion: 264 kg/cm

Notes

Shown here is an updated version with rig, keel, and rudder redesigned by Stråhlman.

Market Value

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