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Sailboat specifications and datasheets

First 435 keel and centerboard

The First 435, here in "keel and centerboard" version, is a 44’ offshore monohull sailboat designed by German Frers. She was built by Bénéteau (France) and made of GRP (glass reinforced polyester). The production started in 1984 .

The First 435 belongs to the First range. The First 435 is as well listed, on Boat-Specs.com, in version Deep draft and Shoal draft.

Bénéteau First 435 Bénéteau First 435 sailplanBénéteau First 435 layoutBénéteau First 435 layoutBénéteau First 435 layoutBénéteau First 435 sailingBénéteau First 435 sailingBénéteau First 435 sailingBénéteau First 435 cockpitBénéteau First 435 accommodationsBénéteau First 435 accommodationsBénéteau First 435 accommodations
First 435's   Main Features
Model First 435
Version Keel and centerboard
Type of hull Monohull
Category Offshore cruiser-racer sailboat
Shipyard
Designer German Frers
Range First
Construction GRP (glass reinforced polyester)
First built hull 1984
Last built hull Discontinued
Appendages Centerboard :
Centerboard in the keel
Helm 1 wheel
Rudder 1 spade rudder
Cockpit Closed aft cockpit
Unsinkable No
Trailerable No
French navigation category 1
Standard public price ex. VAT (indicative only) N/A
First 435's   Main dimensions
Length overall 44’ 7”
Hull length 44’
Waterline length 36’ 1”
Beam (width) 13’ 4”
Draft 10’ 6”
Draft when appendages up 5’ 7”
Light displacement 23810 lbs
Ballast weight 9259 lbs
First 435's   Rig and sails
Upwind sail area 1132 sq.ft
Downwind sail area 1993 sq.ft
Mainsail area 422 sq.ft
Genoa area 710 sq.ft
Solent area 481 sq.ft
Jib area 347 sq.ft
Stormjib area 154 sq.ft
Symetric spinnaker area 1572 sq.ft
Rigging type Sloop Marconi masthead
Rotating spars No
Mast position Keel stepped mast
Spars Mast and boom in Aluminum
Standing rigging 1x19 strand wire
Number of levels of spreaders 2
Spreaders angle 0 °
First 435's   Performances
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.
21.53
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.
37.90
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.
230
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.
39 %
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.
8.05 knots
First 435's   Auxiliary engine
Fuel type Diesel
Fuel tank capacity 51.5 gal
First 435's   Accommodation
Cabin(s) (min/max) 2 / 3
Berth(s) (min/max) 4 / 9
Head(s) (min/max) 2 / 3
Fresh water tank capacity 126.8 gal
Water heater capacity 11.1 gal
Maximum headroom 6’ 5”

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