| Main features | RM 1370 Twin keel |
Model | RM 1370 |
Version | Twin keel |
Hull type | Monohull |
Category | Offshore fast cruising sailboat |
Sailboat builder | Fora Marine & RM yachts |
Sailboat designer | |
Sailboat range | |
Country | France |
Construction | Hull and deck: plywood with glass/epoxy stratification |
First built hull | 2017 |
Last built hull | Still in production |
Appendages | Twin keel : twin asymmetric fin with bulb |
Helm | Twin helm wheels |
Rudder | Single spade rudder (twin as option) |
Unsinkable | No |
Trailerable | No |
EC design category iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)A: Wind < force 9, Waves < 10m B: Wind < force 8, Waves < 8m C: Wind < force 6, Waves < 4m D: Wind < force 4, Waves < 0,5m | A |
Standard public price ex. VAT (indicative only) | 371760 2020 |
| Main dimensions | RM 1370 Twin keel |
Overall length | 48’ 5”14.74 m |
Hull length | 44’ 11”13.68 m |
Waterline length | 42’ 8”13 m |
Beam (width) | 14’ 10”4.5 m |
Draft | 6’ 5”1.95 m |
Mast height from DWL | 67’ 4”20.51 m |
Light displacement (MLC) | 21612 lb9803 kg |
Maximum displacement (MLDC) | 29183 lb13237 kg |
Capacity | 7571 lb3434 kg |
Ballast weight | 6614 lb3000 kg |
| Rig and sails | RM 1370 Twin keel |
Upwind sail area | 1259 ft²117 m² |
Downwind sail area | 2470 ft²229.5 m² |
Mainsail area | 587 ft²54.5 m² |
Genoa area | 673 ft²62.5 m² |
Staysail area | 307 ft²28.5 m² |
Asymmetric spinnaker area | 1884 ft²175 m² |
Rigging type | Cutter Marconi 9/10 |
Mast configuration | Deck stepped mast |
Rotating spars | No |
Number of levels of spreaders | 2 |
Spreaders angle | Swept-back |
Spars construction | Aluminum spars |
Standing rigging | 1x19 strand wire discontinuous |
| Performances | RM 1370 Twin keel |
Upwind sail area to displacement iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. Upwind: under 18 the ratio indicates a cruise oriented sailboat with limited performances especially in light wind, while over 25 it indicates a fast sailboat. | 275 ft²/T25.54 m²/T |
Downwind sail area to displacement iThe ratio sail area to displacement is obtained by dividing the sail area by the boat's displaced volume to the power two-thirds.The ratio sail area to displacement can be used to compare the relative sail plan of different sailboats no matter what their size. | 539 ft²/T50.1 m²/T |
Displacement-length ratio (DLR) iThe Displacement Length Ratio (DLR) is a figure that points out the boat's weight compared to its waterline length. The DLR is obtained by dividing the boat's displacement in tons by the cube of one one-hundredth of the waterline length (in feet).The DLR can be used to compare the relative mass of different sailboats no matter what their length: a DLR less than 180 is indicative of a really light sailboat (race boat made for planning), while a DLR greater than 300 is indicative of a heavy cruising sailboat. | 126 |
Ballast ratio iThe Ballast ratio is an indicator of stability; it is obtained by dividing the boat's displacement by the mass of the ballast. Since the stability depends also of the hull shapes and the position of the center of gravity, only the boats with similar ballast arrangements and hull shapes should be compared.The higher the ballast ratio is, the greater is the stability. | 31 % |
Critical hull speed iAs a ship moves in the water, it creates standing waves that oppose its movement. This effect increases dramatically the resistance when the boat reaches a speed-length ratio (speed-length ratio is the ratio between the speed in knots and the square root of the waterline length in feet) of about 1.2 (corresponding to a Froude Number of 0.35) . This very sharp rise in resistance, between speed-length ratio of 1.2 to 1.5, is insurmountable for heavy sailboats and so becomes an apparent barrier. This leads to the concept of "hull speed".The hull speed is obtained by multiplying the square root of the waterline length (in feet) by 1.34. | 8.75 knots |
| Auxiliary engine | RM 1370 Twin keel |
Engine(s) | 1 inboard engine |
Engine(s) power | 75 HP |
Fuel type | Diesel |
Fuel tank capacity | 92.5 gal350 liters |
| Accommodations and layout | RM 1370 Twin keel |
Cockpit | Open aft cockpit |
Cabin(s) | 3 |
Berth(s) (min./max.) | 6 / 8 |
Head(s) | 2 |
Freshwater tank capacity | 158.5 gal600 liters |
Holding tank capacity | 29.1 gal110 liters |
Maximum headroom | 6’ 6”1.97 m |
Head headroom | 6’ 4”1.91 m |
| Saloon | RM 1370 Twin keel |
Maximum headroom | 6’ 4”1.91 m |
Saloon table length | 4’ 1”1.25 m |
Saloon table width | 2’ 5”0.74 m |
Berth length | 6’ 7”2 m |
Chart table | 3’ 2”0.99 m x 1’ 10”0.56 m |
Berth width | 2’ 1”0.65 m |
| Fore cabin | RM 1370 Twin keel |
Maximum headroom | 6’ 4”1.92 m |
Berth length | 6’ 7”2 m |
Berth width | 5’ 1”1.56 m |
| Aft cabin | RM 1370 Twin keel |
Maximum headroom | 7’2.13 m |
Berth length | 6’ 7”2 m |
Berth width | 4’ 6”1.38 m |