The Starlight 35 Sailboat
Specs & Key Performance Indicators
The Starlight 35, an aft-cockpit masthead sloop, was designed by Stephen Jones and built in the UK by Sadler Yachts (initially) and Rival Bowman.
A Starlight 35
Published Specification for the Starlight 35
Underwater Profile: Wing keel & semi-balanced rudder
Hull Material: GRP (Fibreglass)
Length Overall: 36'1" (11.0m)
Waterline Length: 28'1" (8.6m)
Beam: 11'6" (3.5m)
Draft: 4'9" (1.4m)
Rig Type: Masthead sloop
Displacement: 13,200lb (5,987kg)
Ballast: 5,300lb (2,404kg)
Designer: Stephen Jones
Builder: Sadler Yachts & Rival Bowman Yachts (Both in UK)
Year First Built: 1991
Year Last Built: 1997
Number Built: 50
Published Design Ratios for the Starlight 35
1. Sail Area/Displacement Ratio: 16.5
- 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: 40.2
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 266
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 25.9
- 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 Starlight 35
1. A Sail Area/Displacement Ratio of 16.5 suggests that the Starlight 3 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 40.2 means that the Starlight 35 will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 266, tells us the Starlight 35 is a moderate displacement cruiser, which means she'll carry all your cruising gear without it having a dramatic effect on her performance. Most of today's sailboats intended for offshore cruising fall into this displacement category.
4. Ted Brewer's Comfort Ratio of 25.9 suggests that crew comfort of a Starlight 35 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 Starlight 35 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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