Evasion 29 Twin keel

Sailboat specifications

The Evasion 29 is a 28’11” (8.8m) motorsailer designed by André Bénéteau (France). She was built between 1981 and 1984 by Bénéteau (France). The Twin keel version allows a shoal draft and stability while beaching.

The Evasion 29 is as well listed, on Boat-Specs.com, in Fin keel version (see all the versions compared).

Evasion 29's main features

Model: Evasion 29
Version: Twin keel
Hull type: Monohull
Category: Motorsailer
Sailboat builder: Bénéteau
Sailboat designer: André Bénéteau
Sailboat range: Evasion
Country: France
Construction: GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Sandwich balsa fiberglass polyester
Number of hulls built: About 100
First built hull: 1981
Last built hull: 1984
Appendages: Twin keel : fin without bulb
Helm: Single helm wheel
Rudder: Single rudder on skeg
Unsinkable: No
Trailerable: No
Former French navigation category: 2
Standard public price ex. VAT (indicative only): N/A €

Evasion 29's main dimensions

Overall length: 30’ 10”9.4 m
Hull length: 28’ 11”8.8 m
Waterline length: 25’ 2”7.68 m
Beam (width): 10’ 2”3.1 m
Draft: 3’ 7”1.1 m
Light displacement (M_LC): 9039 lb4100 kg
Ballast weight: 3704 lb1680 kg
Ballast type: Cast iron
French customs tonnage: 9.50 Tx

Evasion 29's rig and sails

Upwind sail area: 490 ft²45.5 m²
Downwind sail area: 832 ft²77.25 m²
Mainsail area: 175 ft²16.25 m²
Genoa area: 315 ft²29.25 m²
Jib area: 215 ft²20 m²
Stormjib area: 71 ft²6.6 m²
Symmetric spinnaker area: 657 ft²61 m²
Rigging type: Sloop Marconi masthead
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

Evasion 29'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.: 191 ft²/T17.76 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.: 325 ft²/T30.16 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.: 256
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.: 41 %
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.: 6.73 knots