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RM 1370 Twin keel is a Offshore fast cruising sailboat built by Fora Marine\xa0&\xa0RM yachts and designed by Marc Lombard Yacht Design Group. Her first hull was built in 2017 with an overall lengh of 14.74 m or 48.5 ft long and a Deck stepped mast mast configuration.

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RM 1370 TWIN KEEL Sailboat Specifications​


Overall Length (LOA) m / ft14.74 m / 48.5 ft
Builder(s)Fora Marine / RM Yachts
Designer(s)Marc Lombard Yacht Design Group
VersionTwin keel
categoryOffshore fast cruising sailboat
Hull TypeMonohull
First Hull Built2017
Last Hull BuiltStill in production
AppendagesTwin keel twin asymmetric fin with bulb
HelmTwin helm wheels
RudderSingle spade rudder (twin as option)
CockpitOpen aft cockpit
Rigging TypeCutter Marconi 9/10
Mast LayoutDeck stepped mast
Number of Cabin(s)3
Number of Head(s)2
Freshwater Tank Capacity lt/gal600 L / 158.5 gal
Ballast Ratio0.31


Overall Length (LOA) 14.74 m / 48.5 ft
Hull Length13.68 m / 44.11 ft
Waterline Length (LWL)13 m / 42.8 ft
Beam (width)4.5 m / 14.10 ft
Draft1.95 m / 6.5 ft
Light Displacement (MLC) 9803 kg / 21612 lb
Maximum Displacement13237 kg / 29183 lb
Ballast Weight3000 kg / 6614 lb


Critical Hull Speed8.75 knots
Capsize Screening Formula (CSF)2.12
Comfort Ratio21.6
Displacement-Length Ratio (DLR)126
Ballast Ratio0.31
Sail Area to Displacement18.5
Upwind Sail Area to Displacement25.54 m²/T / 275 ft²/T
Downwind Sail Area to Displacement50.1 m²/T / 539 ft²/T

Above Deck

Mast LayoutDeck stepped mast
Mast Height from DWL20.51 m / 67.4 ft
Rotating SparsNo
Number of Levels of Spreaders2
Spreaders AngleSwept-back
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire discontinuous
Reported Sail Area83.00 m² / 893.40 ft²
Upwind Sail Area117 m² / 1259 ft²
Downwind Sail Area229.5 m² / 2470 ft²
Mainsail Area54.5 m² / 587 ft²
Genoa Area62.5 m² / 673 ft²

Engine Room

Engine(s)1 inboard engine
Engine(s) Power75 HP
Fuel typeDiesel
Fuel Tank Capacity350 L / 92.5 gal

Below Deck

Maximum Headroom6.6 ft * 1.97 m
Head Headroom6.4 ft * 1.91 m