Detailed sailboat specifications and datasheets since 2015
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Astus 20.1

Sailboat specifications

The Astus 20.1 is a 20’1” (6.13m) cruising trimaran designed by VDesign (France). She was built between 2004 and 2010 by Astus Boats (France).

Astus 20.1's main features

Model
Astus 20.1
Hull type
Trimaran
Category
Coastal cruising trimaran
Sailboat builder
Sailboat designer
Country
France
Construction
GRP (glass reinforced polyester):
- Hull: Single skin fiberglass polyester
- Deck: Single skin fiberglass polyester
Number of hulls built
About 50
First built hull
2004
Last built hull
2010
Appendages
Centerboard : pivoting centerboard (main hull)
Helm
Single tiller
Rudder
Single transom hung rudder (main hull)
Unsinkable
No
Trailerable
Yes
EC design category
 iThe CE design category indicates the ability to cope with certain weather conditions (the sailboat is designed for these conditions)

A: Wind < force 9, Waves < 10m
B: Wind < force 8, Waves < 8m
C: Wind < force 6, Waves < 4m
D: Wind < force 4, Waves < 0,5m
C
Standard public price ex. VAT (indicative only)
N/A

Astus 20.1's main dimensions

Hull length
20’ 1”6.13 m
Waterline length
19’ 2”5.85 m
Beam (width)
12’ 8”3.88 m
Draft
3’ 7”1.1 m
Draft when appendages up
1’0.3 m
Folding type
Sliding arms
Overall width folded
8’ 4”2.53 m
Light displacement (MLC)
827 lb375 kg

Astus 20.1's rig and sails

Upwind sail area
242 ft²22.5 m²
Downwind sail area
431 ft²40 m²
Mainsail area
172 ft²16 m²
Genoa area
70 ft²6.5 m²
Asymmetric spinnaker area
258 ft²24 m²
Gennaker area
215 ft²20 m²
Rigging type
Sloop Marconi fractional
Mast configuration
Deck stepped mast
Rotating spars
No
Number of levels of spreaders
1
Spreaders angle
Swept-back (diamond)
Spars construction
Aluminum spars
Standing rigging
1x19 strand wire continuous

Astus 20.1'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.
466 ft²/T43.27 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.
828 ft²/T76.92 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.
53

Astus 20.1's auxiliary engine

Engine(s)
1 outboard engine
Engine(s) power
6 HP
Fuel type
Gas

Astus 20.1's accommodations and layout

Cockpit
Open aft cockpit
Berth(s)
2
Maximum headroom
4’ 7”1.4 m
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