The Hylas 70
is a 68’11” (21.01m) cruising sailboat designed by Frers Naval Architecture & Engineering
(Argentina). She is built since 2007 by Hylas Yachts
(Taiwan). The Deep draft
version features a deeper T-shaped keel to grant extra performance especially upwind. She has been awarded "2008 - Cruising World - Boat of the Year: Full-Size Cruiser
The Hylas 70
is as well listed, on Boat-Specs.com, in Shoal draft
version (see all the versions compared
Hylas 70's main features
Offshore cruising sailboat
Carbon fiber reinforced epoxy:
- Hull: Single skin carbon fiber vinylester with Kevlar reinforcements
- Deck: Sandwich balsa carbon fiber vinylester
First built hull
Last built hull
Still in production
- 2008: Cruising World - Boat of the Year: Full-Size Cruiser
Keel : L-shaped keel (with bulb)
Twin helm wheels
Single semi-spade rudder
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
Standard public price ex. VAT (indicative only)
Hylas 70's main dimensions
68’ 11”21.01 m
68’ 11”21.01 m
61’ 7”18.77 m
9’ 6”2.9 m
Light displacement (MLC)
75178 lb34100 kg
29321 lb13300 kg
Hylas 70's rig and sails
Upwind sail area
2422 ft²225 m²
Sloop Marconi masthead
Deck stepped mast
Number of levels of spreaders
Single-strand (ROD) discontinuous
Hylas 70'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.
230 ft²/T21.4 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.
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.
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.
Hylas 70's auxiliary engine
1 inboard engine
Fuel tank capacity
700.1 gal2650 liters
Hylas 70's accommodations and layout
8 / 10
Freshwater tank capacity
400.2 gal1515 liters
Holding tank capacity
66 gal250 liters
19.8 gal75 liters
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