Marten Marine Industries Ltd. Armor 660

Sailboat 21′ 7″ Since 1968

Overview

Builder
Marten Marine Industries Ltd.
Model
Armor 660
Type
Sailboat
Built
1968 on
Designer
Alex Trethewey/Noel Honey
Hull
Centerboard (Trunk)
Hull material
Fiberglass
Rig
Fractional Sloop

Dimensions

Length overall
21′ 7″ (6.58 m)
Waterline length
17′ 5″ (5.30 m)
Beam
7′ 2″ (2.19 m)
Draft
0′ 10″ (0.24 m)
Displacement
1,601 lb (726 kg)
Ballast
428 lb (194 kg)

Design ratios

Displacement / length
136

How heavy the boat is for its waterline. Under 200 is light, 200–300 moderate, over 300 heavy.

Ballast ratio
27%

Share of the weight that is ballast. Higher generally means stiffer in a breeze.

Capsize screening
2.46

Under 2 is generally considered better for offshore use.

More details

Construction
FG

Data from Mauri Pro Sailboat Data. Check details with the builder before relying on them.