Arco 33
Crystaliners Corporation (Glassco Inc.) · designed by Wirth Munroe · 1958
stub keel with centerboardBermuda rigUnited States
The Arco 33 is a 33-foot bermuda rig sailboat designed by Wirth Munroe and built by Crystaliners Corporation (Glassco Inc.), first launched in 1958.
General
| Builder | Crystaliners Corporation (Glassco Inc.) |
|---|---|
| Designer | Wirth Munroe |
| Years built | 1958 |
| Hull type | stub keel with centerboard |
| Rig type | Bermuda rig |
| Construction | fiberglass |
| Origin | United States |
Dimensions
| LOA | 33.00 ft10.06 m |
|---|---|
| LWL | 23.25 ft7.09 m |
| Beam | 9.83 ft3.00 m |
| Draft (max) | 6.50 ft1.98 m |
| Displacement | 12,000 lb5,443 kg |
| Ballast | —— |
| Sail Area | 550 ft²51.1 m² |
Design ratios
Computed from the specs above using the standard formulas. Try the sailboat calculators with your own numbers.
SA / Displacement 16.79 Cruiser — good all-round performance
Displacement / Length 426 Heavy — bluewater displacement
Comfort Ratio 33.8 Moderate bluewater
Capsize Screening 1.72 Suited to offshore passages (≤ 2.0)
Hull Speed 6.5 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
$27,000 typical range $21,500 – $32,500
⚠ 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.
