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Sailboat specifications and datasheets

RM 1200

The RM 1200 is a 39’4” monohull sailboat designed by Marc Lombard. She was built by Fora Marine (France) and made of plywood with fiberglass / epoxy with galvanised steel frame. This sailboat was produced between 2003 and 2012.

The RM 1200 belongs to the RM range.

Fora Marine RM 1200 Fora Marine RM 1200 sailplanFora Marine RM 1200 layoutFora Marine RM 1200 sailingFora Marine RM 1200 accommodations
RM 1200's   Main Features
Model RM 1200
Type of hull Monohull
Shipyard
Designer Marc Lombard
Range RM
Construction Hull:
Plywood with fiberglass / epoxy with galvanised steel frame
Deck:
sandwich PVC / fiberglass / polyester
First built hull 2003
Last built hull 2012
Appendages Twin keel :
Twin asymetric fin with bulb
Helm 1 tiller
Rudder 1 spade rudder
Unsinkable No
Trailerable No
EC certification A
Standard public price (indicative only) N/A
RM 1200's   Main dimensions
Hull length 39’ 4”
Waterline length 37’
Beam (width) 13’ 10”
Waterline beam (width) 10’ 10”
Draft 5’ 11”
Light displacement 14991 lbs
Maximum displacement 18298 lbs
Ballast weight 5952 lbs
Ballast type Cast iron
RM 1200's   Rig and sails
Upwind sail area 996 sq.ft
Downwind sail area 1631 sq.ft
Mainsail area 501 sq.ft
Genoa area 495 sq.ft
Jib area 258 sq.ft
Symetric spinnaker area 1130 sq.ft
Rigging type Cutter Marconi fractional
Rotating spars No
Mast position Deck stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire discontinuous
Number of levels of spreaders 2
Spreaders angle Swept-back
IiFore triangle height (from mast foot to fore stay attachment) 51’ 10”
JiFore triangle base (from mast foot to bottom of forestay) 16’ 7”
PiMainsail hoist measurement (from tack to head) 49’ 6”
EiMainsail foot measurement (from tack to clew) 17’ 4”
RM 1200's   Performances
HN (French rating) 28.5
Upwind sail area to displacementiThe 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 23 it indicates a fast sailboat.
25.77
Downwind sail area to displacementiThe 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 23 it indicates a fast sailboat.
42.21
Displacement-Length ratio (DLR)iThe Displacement Length ratio is a figure that points out the boat's weight compared to its waterline length. 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.
134
Ballast ratioiThe Ballast ratio is an indicator of the stability; it is obtained by dividing the boat's displacement by the weight of the ballast. Since the stability depends also of the hull shape and the position of the center of gravity, only boats with similar ballast arrangements and hull shape should be considered.
Higher the ballast ratio is, greater is the stability.
40 %
Hull speediAs 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.
8.15 knots
RM 1200's   Auxiliary engine
Engine(s) 1
Engine type Inboard engine
Engine (min/max) 40 HP / 50 HP
Fuel type Diesel
Fuel tank capacity 39.6 gal
RM 1200's   Accommodation
Cabin(s) 2
Berth(s) 10
Head(s) 1
Fresh water tank capacity 184.9 gal
Holding tank capacity 7.9 gal
Fridge/ice-box capacity 35.7 gal
Chart table 3’ 4” x 1’ 10”
Maximum headroom 6’ 7”
Galley headroom 6’ 2”
Head headroom 6’ 7”
RM 1200's   Saloon
Maximum headroom 5’ 10”
Saloon table width (min/max) 2’ 4”
Berth length 7’ 1”
Berth width 2’ 5”
RM 1200's   Fore cabin
Maximum headroom 5’ 8”
Berth length 6’ 7”
Berth width 4’ 7”
RM 1200's   Aft cabin
Berth length 6’ 7”
Berth width 4’ 5”

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