DS DS-18 — Information, Review, Specs

Diller & Schwill·1975·Schwill Yachts Inc.
DS DS-18 drawingBuilder drawing
Hull type
Monohull · fin
Rig
Fractional Sloop
LOA
18' · 5.49 m
Displ.
1,200 lbs · 544 kg
First year
1975

The DS18 is an 18foot fractional sloop, conceived as a compact and accessible sailboat for recreational sailing and club racing. Designed by the collaborative efforts of Diller and Herman Schwill, and built by DS Yachts (also known as Schwill Yachts) in Odessa, Ontario, this monohull embodies the builder's philosophy of creating practical and popular trailerable sailboats. It quickly earned a reputation as a light and highly performing vessel, recognized for its stability and stiffness.

Measurements

Dimensions 01

LOA
18 ft
LWL
15.83 ft
Beam
6.83 ft
Draft
1.5 ft
Max headroom
-
Air draft
26 ft

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Transom-Hung
Ballast
480 lbs
Displacement
1200 lbs
Water
-
Fuel
-

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
-
E · main foot
-
I · fore ht.
-
J · fore base
-
Forestay (est)
-
Sail area
185 sqft

Calculations 04

SA/D ratio
26.21
Ballast/Disp.
40
D/L ratio
135.05
Comfort ratio
8.7
Capsize screening
2.57
Hull speed
5.33 kn

History and Design

Production of the DS-18 commenced in 1975, a period during which DS Yachts, founded by Herman Schwill in 1971, was establishing its niche in the Canadian marine industry. The company focused on durable fiberglass construction, a material choice that facilitated efficient production and offered lower maintenance compared to traditional wood. Builder Article The design philosophy behind DS Yachts, and by extension the DS-18, centered on providing accessible boats that balanced performance with ease of use for a wide range of sailors. Builder Article The collaboration between Herman Schwill and G. Diller on the design of the DS-18 underscores a commitment to thoughtful naval architecture, aiming to resonate with the broader sailing community. While DS Yachts ceased operations in 1986, the legacy of their designs like the DS-18 continues to be appreciated by those seeking straightforward sailing vessels. Builder Article

Sailing Performance and Handling

The DS-18 is characterized as a light sailboat with a very high-performance capability. With a hull speed of 5.33 knots, she is designed to offer spirited sailing. Her robust design provides good stability and stiffness, making her capable of standing up to various wind conditions. Despite her compact size, the DS-18 generally offers a comfortable motion for a boat of her class, with her comfort value noted as just below average compared to similar designs. The fin keel and transom-hung rudder contribute to responsive handling, indicative of a design suited for agile maneuvering on the water.

Accommodations and Layout

Given its compact 18-foot length, the DS-18 prioritizes a simple and functional layout typical of small day-sailers or weekend cruisers. While specific details on the interior accommodations, such as maximum headroom or a detailed cabin arrangement, are not extensively documented, most boats of this size would offer basic shelter. This typically includes a small V-berth forward, possibly with some minimal storage, designed for overnighting rather than extended cruising. The focus is generally on maximizing usable cockpit space for sailing and providing essential, albeit modest, interior facilities.