The Rustler 36 Sailboat
The Rustler 36, a long-keeled masthead sloop, was designed by Holman & Pye and built in the UK by Rustler Yachts Ltd.
This Rustler 36 does the Atlantic circuit (Europe - Caribbean - Europe) most years, and is sailed by a British singlehander.
Published Specification for the Rustler 36
Underwater Profile: Long keel, with transom-hung rudder
Hull Material: GRP (fiberglass)
Length Overall: 35'4" (10.8m)
Waterline Length: 26'11" (8.2m)
Beam: 11'0" (3.4m)
Draft: 5'6" (1.7m)
Rig Type: Masthead sloop
Displacement: 16,805lb (7,623kg)
Designer: Holman & Pye
Builder: Rustler Yachts (UK)
Year First Built: 1980
Number Built: 100
Owners Association: Rustler Yachts Owners Group
Published Design Ratios for the Rustler 36
1. Sail Area/Displacement Ratio: 11.4
- 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: 45.3
- Under 40: less stiff, less powerful
- Over 40: stiffer, more powerful
3. Displacement/Length Ratio: 385
- Under 100: Ultralight
- 100 to 200: Light
- 200 to 275: Moderate
- 275 to 350: Heavy
- Over 350: Ultraheavy
4. Comfort Ratio: 36.2
- 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: 1.7
- Under 2.0 (the lower the better): Better suited for ocean passages
- Over 2.0: Less suited for ocean passages
read more about these all-revealing numbers...
Summary Analysis of the Design Ratios for the Rustler 36
1. A Sail Area/Displacement Ratio of just 11.4 suggests that the xxxxx will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go.
2. A Ballast/Displacement Ratio of 45.3 means that the xxxxx will stand up well to her canvas in a blow, helping her to power through the waves.
3. A Displacement/Length Ratio of 385, tells us the xxxxx is firmly in the ultra-heavy displacement category. Load her up as much as you like and her performance will be hardly affected, not that it was ever startling. Few if any sailboats are built to this displacement category these days - but they remain popular with some long-distance sailors.
4. Ted Brewer's Comfort Ratio of 36.2 suggests that crew comfort of a xxxx in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.
5. The Capsize Screening Formula (CSF) of 1.7 tells us that a xxxx 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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