Baymaster 18
Regatta Plastics Co. · designed by Winthrop L. Warner · 1968
keel and centerboardBermuda rigUnited States
The Baymaster 18 is a 18-foot bermuda rig sailboat designed by Winthrop L. Warner and built by Regatta Plastics Co., first launched in 1968.
General
| Builder | Regatta Plastics Co. |
|---|---|
| Designer | Winthrop L. Warner |
| Years built | 1968 |
| Hull type | keel and centerboard |
| Rig type | Bermuda rig |
| Construction | fiberglass |
| Origin | United States |
Dimensions
| LOA | 17.92 ft5.46 m |
|---|---|
| LWL | 15.00 ft4.57 m |
| Beam | 6.92 ft2.11 m |
| Draft (max) | 4.00 ft1.22 m |
| Displacement | 850 lb386 kg |
| Ballast | 150 lb68 kg |
| Sail Area | 146 ft²13.6 m² |
Design ratios
Computed from the specs above using the standard formulas. Try the sailboat calculators with your own numbers.
SA / Displacement 26.03 Performance / racer — powered up
Ballast / Displacement 17.6 % Higher = stiffer / more sail-carrying power
Displacement / Length 112 Light
Comfort Ratio 6.3 Racing / light coastal
Capsize Screening 2.92 Better suited to coastal use (> 2.0)
Hull Speed 5.2 kn Theoretical max displacement speed
How these numbers are calculated
- SA / Displacement
SA ÷ (Disp ÷ 64)^(2/3)— Power-to-weight. < 16 under-canvassed, 16–20 cruiser, > 20 racer.- Ballast / Displacement
Ballast ÷ Disp × 100— Stability/stiffness. Higher carries sail better.- Displacement / Length
Disp(lt) ÷ (0.01 · LWL)³— < 100 ultralight, 100–200 light, 200–300 moderate, > 300 heavy.- Comfort Ratio (Brewer)
Disp ÷ (0.65 · (0.7·LWL + 0.3·LOA) · Beam^1.33)— Motion in a seaway. Higher = more comfortable offshore.- Capsize Screening
Beam ÷ (Disp ÷ 64)^(1/3)— ≤ 2.0 favored for offshore; > 2.0 better for coastal use.- Hull Speed
1.34 · √LWL— Theoretical max displacement speed in knots.
Estimated price
$8,500 typical range $7,000 – $10,000
⚠ Rough estimate only — not market data. Derived from a simple model based on length and hull age; actual asking prices vary widely with condition, equipment, engine hours and location.
