Albin 107 Stratus

Sailboat specifications

The Albin 107 Stratus is a 35’2” (10.72m) cruiser-racer sailboat designed by Peter Norlin (Sweden). She was built between 1980 and 1984 by Albin Marine (Sweden) with 130 hulls completed.

Albin 107 Stratus's main features

Model: Albin 107 Stratus
Hull type: Monohull
Category: Cruiser-racer sailboat
Sailboat builder: Albin Marine
Sailboat designer: Peter Norlin
Sailboat collection: 3/4 Ton class
Country: Sweden
Construction: Hull and deck: GRP (glass reinforced polyester)
Number of hulls built: 130
First built hull: 1980
Last built hull: 1984
Appendages: Keel : fin without bulb
Helm: Single helm wheel
Rudder: Single spade rudder
Unsinkable: No
Trailerable: No
Standard public price ex. VAT (indicative only): N/A €

Albin 107 Stratus's main dimensions

Hull length: 35’ 2”10.72 m
Waterline length: 27’ 2”8.3 m
Beam (width): 10’ 10”3.3 m
Draft: 5’ 11”1.8 m
Light displacement (M_LC): 11464 lb5200 kg
Ballast weight: 4960 lb2250 kg
Ballast type: Lead

Albin 107 Stratus's rig and sails

Upwind sail area: 700 ft²65 m²
Downwind sail area: 1270 ft²118 m²
Mainsail area: 301 ft²28 m²
Genoa area: 398 ft²37 m²
Jib area: 205 ft²19 m²
Symmetric spinnaker area: 969 ft²90 m²
I iFore triangle height (from mast foot to fore stay top attachment): 41’ 4”12.6 m
J iFore triangle base (from mast foot to bottom of forestay): 12’ 10”3.9 m
P iMainsail hoist measurement (from tack to head): 42’ 8”13 m
E iMainsail foot measurement (from tack to clew): 14’ 1”4.3 m
Rigging type: Sloop Marconi 7/8
Mast configuration: Deck stepped mast
Rotating spars: No
Number of levels of spreaders: 1
Spreaders angle: 0 °
Spars construction: Aluminum spars
Standing rigging: 1x19 strand wire continuous

Albin 107 Stratus's performances

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.: 233 ft²/T21.66 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.: 423 ft²/T39.31 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.: 258
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.: 43 %
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.: 6.99 knots