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Excalibur 36
Designer: E. G. Van De Stadt  ·  Builder: Tyler Boat Co. (Uk)  ·  First built: 1963
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About the Excalibur 36

Designed by renowned Dutch naval architect E.G. van de Stadt and built by Tyler Boat Company in the UK starting in 1963, this classic 36-footer represents solid British craftsmanship from the early days of fiberglass construction. Van de Stadt's expertise in creating seaworthy designs shines through in the Excalibur's well-balanced proportions and purposeful layout. With a fin keel and spade rudder configuration, the boat offers responsive handling and good windward performance while maintaining the stability expected from a moderate displacement cruiser weighing 13,500 pounds. The substantial ballast ratio provides excellent stability, making this a confidence-inspiring platform for coastal cruising and extended offshore passages. The masthead sloop rig with 610 square feet of sail area delivers respectable performance without being overpowering, while the comfort ratio of 33.75 indicates a boat that prioritizes seaworthiness over pure speed. The low capsize screening value of 1.67 reflects van de Stadt's emphasis on creating inherently stable designs suitable for serious cruising. This classic represents an era when boats were built to last, offering today's sailors a proven design with traditional sailing characteristics ideal for those seeking a sturdy, reliable cruising companion capable of handling diverse sailing conditions.

Core Dimensions
LOA (Length Overall) 36.00 ft / 10.97 m
LWL (Waterline Length) 26.25 ft / 8.00 m
Beam 9.90 ft / 3.02 m
Max Draft 5.90 ft / 1.80 m
Displacement 13,500.00 lb / 6,123 kg
Ballast 5,500.00 lb / 2,495 kg
Ballast Type Lead
Sail Area (Reported) 610.00 ft² / 56.67 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer E. G. Van De Stadt
Builder Tyler Boat Co. (UK)
First Built 1963
Related Sailboats ["Sigma 36 Ss" · "Contessa 36 Allied" · "Bowman 36" · "Soverel 36 1965" · "Creekmore 36"]
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
 17.28
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 40.74
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 333.19
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
 33.75
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 1.67
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 6.87 kn
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 928.56 pounds/inch
How It Compares

vs. Bowman 36, Contessa 36 Allied, Soverel 36 1965

This boat Similar boats
Dimensions
LOA
Excalibur 36 ★
36.0 ft
Bowman 36
36.0 ft
Contessa 36 Allied
36.0 ft
Soverel 36 1965
36.0 ft
LWL
Excalibur 36 ★
26.3 ft
Bowman 36
26.7 ft
Contessa 36 Allied
27.5 ft
Soverel 36 1965
27.5 ft
Beam
Excalibur 36 ★
9.9 ft
Bowman 36
11.3 ft
Contessa 36 Allied
11.0 ft
Soverel 36 1965
11.0 ft
Displacement
Excalibur 36 ★
13 lbs
Bowman 36
19 lbs
Contessa 36 Allied
14 lbs
Soverel 36 1965
12 lbs
Ballast
Excalibur 36 ★
5 lbs
Bowman 36
—
Contessa 36 Allied
5 lbs
Soverel 36 1965
—
Sail Area
Excalibur 36 ★
610 sq ft
Bowman 36
552 sq ft
Contessa 36 Allied
604 sq ft
Soverel 36 1965
718 sq ft
Performance
SA / Displacement (higher = more powerful)
Excalibur 36 ★
17.3
Bowman 36
12.2
Contessa 36 Allied
16.4
Soverel 36 1965
22.0
Comfort Ratio (higher = more comfortable offshore)
Excalibur 36 ★
33.8
Bowman 36
40.3
Contessa 36 Allied
30.4
Soverel 36 1965
25.3
Capsize Screening (lower = safer)
Excalibur 36 ★
1.67
Bowman 36
1.69
Contessa 36 Allied
1.81
Soverel 36 1965
1.93
Displacement / Length (lower = lighter)
Excalibur 36 ★
333
Bowman 36
—
Contessa 36 Allied
—
Soverel 36 1965
257
Hull Speed
Excalibur 36 ★
6.9 kts
Bowman 36
6.9 kts
Contessa 36 Allied
7.0 kts
Soverel 36 1965
7.0 kts
Speed Number (higher = faster)
Excalibur 36 ★
—
Bowman 36
0.7
Contessa 36 Allied
1.4
Soverel 36 1965
2.4
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