The Dehler 35 CWS Sailboat
Specs & Key Performance Indicators

The Dehler 35 CWS aft-cockpit sloop was designed by E.G. van de Stadt and built in Germany by Dehler Yachts.

A Dehler 35 CWS moored fore and aftThe Dehler 35 CWS

Published Specification for the Dehler 35 CWS*

Underwater Profile: Bulb fin keel and spade rudder

Hull Material: GRP (Fibreglass)

Length Overall: 34'5" (10.5m)

Waterline Length: 29'2" (8.9m)

Beam: 10'10" (3.3m)

Draft: 6'3" (1.9m)

Rig Type: Fractional sloop

Displacement: 10,582lb (4,800kg)

Designer: E.G. van de Stadt

Builder: Dehler Yachts (Germany)

Year First Built: 1993

Year Last Built: 1998

Number Built: 230

'CWS' (Central Winch System) relates to a single, electrically powered winch in the cockpit which controls the sheets, halyards and reefing lines.


Dehler 35 CWS plansAccommodation & Sailplan

Read more about the latest sailboats in the Dehler range...

Published Design Ratios for the Dehler 35 CWS

1. Sail Area/Displacement Ratio: 19.6

  • Less than 16 would be considered under-powered;
  • 16 to 20 would indicate reasonably good performance;
  • Over 20 suggests relatively high performance.

2. Ballast/Displacement Ratio: 40.0

  • Under 40: less stiff, less powerful
  • Over 40: stiffer, more powerful

3. Displacement/Length Ratio: 190

  • Under 100: Ultralight
  • 100 to 200: Light
  • 200 to 275: Moderate
  • 275 to 350: Heavy
  • Over 350: Ultraheavy

4. Comfort Ratio: 22.3

  • Under 20 indicates a lightweight racing boat
  • 20 to 30 indicates a coastal cruiser
  • 30 to 40 indicates a moderate offshore cruising boat
  • 40 to 50 indicates a heavy offshore boat
  • Over 50 indicates an extremely heavy offshore boat

5. Capsize Screening Formula: 1.9

  • Under 2.0 (the lower the better): Better suited for ocean passages
  • Over 2.0: Less suited for ocean passages

Read more about these Key Performance Indicators...


Summary Analysis of the Design Ratios for the Dehler 35 CWS

1. A Sail Area/Displacement Ratio of 19.6 suggests that the Dehler 35 CWS will, in the right conditions, approach her maximum hull speed readily and satisfy the sailing performance expectations of most cruising sailors.

2. A Ballast/Displacement Ratio of 40.0 means that the Dehler 35 CWS will initially stand up reasonably well to her canvas in a moderate breeze, but she's likely to benefit from a reef in the main to avoid heeling uncomfortably in a gust.

3. A Displacement/Length Ratio of 190, tells us the Dehler 35 CWS is clearly a light displacement sailboat. If she's loaded with too much heavy cruising gear her performance will suffer to a degree.

4. Ted Brewer's Comfort Ratio of 22.3 suggests that crew comfort of a Dehler 35 CWS in a seaway is similar to what you would associate with the motion of a coastal cruiser with moderate stability, which is not encouraging news for anyone prone to seasickness. 

5. The Capsize Screening Formula (CSF) of 1.9 indicates that a Dehler 35 CWS would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 

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