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Sailboat specifications and datasheets

Dragonfly 28 performance

The Dragonfly 28, here in "performance" version, is a 28’8” trimaran sailboat designed by Jens Quorning and Steen Olsen. She was built by Quorning Boats (Denmark) and made of sandwich PVC / fiberglass / polyester with carbon fiber reinforcements. The production started in 2008 .

The Dragonfly 28 belongs to the Dragonfly range. The Dragonfly 28 is as well listed, on Boat-Specs.com, in version Touring and Sport.

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Dragonfly 28's   Main Features
Model Dragonfly 28
Version Performance
Type of hull Trimaran
Category Fast cruising trimaran
Shipyard
Designer Jens Quorning
Steen Olsen
Range Dragonfly
Construction Hulls and deck:
sandwich PVC / fiberglass / polyester with carbon fiber reinforcements
First built hull 2008
Last built hull Still in production
Appendages Centerboard :
Centerboard (main hull)
Helm 1 tiller
Rudder 1 transom hung rudder (main hull)
Cockpit Closed aft cockpit
Unsinkable Yes
Trailerable Yes
EC certification B
Standard public price ex. VAT (indicative only) About
153 000
(2017)
Dragonfly 28's   Main dimensions
Folding type Horizontal, double-hinge with vertical axis
Length overall 29’ 8”
Hull length 28’ 8”
Waterline length 28’ 2”
Overall length folded 34’ 1”
Beam (width) 21’ 4”
Overall width folded 8’ 4”
Draft 5’ 7”
Draft when appendages up 1’ 4”
Mast height from DWL 50’
Light displacement 4409 lbs
Maximum displacement 6008 lbs
Capacity 1598 lbs
Dragonfly 28's   Rig and sails
Upwind sail area 689 sq.ft
Downwind sail area 1356 sq.ft
Mainsail area 463 sq.ft
Jib area 226 sq.ft
Asymetric spinnaker area 893 sq.ft
Code 0 area 484 sq.ft
Rigging type Sloop Marconi fractional
Rotating spars Yes
Mast position Deck stepped mast
Spars Mast in Carbon fiber and boom in Aluminum
Number of levels of spreaders 2
Spreaders angle Swept-back (diamond)
Dragonfly 28'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.
40.32
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.
79.38
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.
89
Righting moment @ 1°iThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
4177 lbs.ft
Maximum righting momentiThe righting moment is a moment (torque) that tends to restore a boat to its previous position after a rotational displacement. Its value corresponds to the torque needed to heel the boat for this angle.
Higher the righting moment is for an angle, greater is the stability at this angle.
89237 lbs.ft @ 20.00 °
Dragonfly 28's   Auxiliary engine
Engine(s) 1
Engine type Outboard engine
Engine (min/max) 8 HP / 15 HP
Fuel type Gas
Dragonfly 28's   Accommodation
Cabin(s) 2
Berth(s) 6
Head(s) 1
Fresh water tank capacity 21.1 gal
Holding tank capacity 15.9 gal
Head headroom 5’ 8”
Dragonfly 28's   Saloon
Maximum headroom 6’ 1”
Berth length 6’ 7”
Berth width 2’ 1”
Dragonfly 28's   Fore cabin
Berth length 6’ 7”
Berth width (head/feet) 5’ 2”
1’ 10”
Dragonfly 28's   Aft cabin
Berth length 6’ 7”
Berth width 2’ 8”

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