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Seller's Description

A beautiful Allied Princess 36’ Ketch. Velella has MK II features, including a bowsprit (larger sail area) and cabin top traveler. Incredibly strong boat that tracks well with a robust (and reinforced) worm gear steering system.

Professionally refit from top to bottom completed and launched in 2019. This boat is water tight, strong, and a great cruiser!

Again, all professionally done with exceptional craftsmanship:

** Brand-new CPT auto pilot (2020) ** Custom electrical display and new wiring throughout (2019) ** All new lifelines and standing rigging throughout (2019) ** All new chainplates, turnbuckles (2019) ** All new plumbing, including macerator and holding tank configuration (2019) ** Awlgrip topsides w/ non-skid (2019) ** Awlgrip Empress Blue Hull - extensively prepped and sprayed (2019) ** Companionway custom alumuninum starway with teak steps (2019) ** Awlgrip masts refinishing (complete) (2019) ** Xantrex Power Inverter Freedom X 1000 (2019) ** New Garhauer blocks throughout (2019) ** Custom v-berth enhancements crafted by a boat builder (2019) ** Additional bilge electric automatic pump (secondary) (2019) ** 100% bottom job w/ ecoblast and epoxy job (2019) ** Custom and heavily reinforced engine mounts and bed (2019) ** LED lighting throughout (2019) ** TRI COLOR masthead light (2019) ** Doyle Sail Cradles on Main and Mizzen Sunbrella (2019) ** Sunpower 340 watts Bimini mounted (2019) ** Victron charge controller (two 2019) ** New Adler Barbour fridge compressor (2019) ** (4) AGM batteries (2019) ** Doyle Mizzen Sail Offshore package (2019) ** Custom and robust worm gear stabilizer (2019) ** Custom dodger and Bimini Sunbrella (2019) ** Custom port lights with new weather seal (2019) ** All new grounding wiring and system throughout (2019)

Frankly, there is a lot more we’ve done to the boat. Please be in touch for further details.

We love this boat.

Thick fiberglass and ready for anything, it cruises great and the ketch is a beauty to sail.

From the esteemed designer Arthur Edmund and the notoriety of the quality builders of Allied, this boat is both incredibly comfortable and great to sail.

We’ve sailed up and down the East Coast several times on Velella.

Specs

Designers
?
Builders
?
Associations
?
# Built
?
Hull
Monohull
Keel
Long
Rudder
?
Construction
FG

Dimensions

Length Overall
37 11 / 11.6 m
Waterline Length
27 5 / 8.4 m
Beam
10 11 / 3.3 m
Draft
4 5 / 1.4 m
Displacement
14,400 lb / 6,532 kg
Ballast
5,000 lb / 2,268 kg (Lead)

Rig and Sails

Type
Ketch
Reported Sail Area
603′² / 56 m²
Total Sail Area
510′² / 47.4 m²
Mainsail
Sail Area
252′² / 23.4 m²
P
35 11 / 11 m
E
14 0 / 4.3 m
Air Draft
?
Foresail
Sail Area
258′² / 24 m²
I
41 0 / 12.5 m
J
12 7 / 3.8 m
Forestay Length
42 10 / 13.1 m
Mizzen
PY
22 0 / 6.7 m
EY
8 5 / 2.6 m

Auxilary Power

Make
Westerbeke/Perkins
Model
44B FOUR
HP
44
Fuel Type
Diesel
Fuel Capacity
40 gal / 151 l
Engine Hours
1683

Accomodations

Water Capacity
120 gal / 454 l
Holding Tank Capacity
12 gal / 45 l
Headroom
6 3 / 1.9 m
Cabins
2

Calculations

Hull Speed
?

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

?
Classic formula: ?
Sail Area/Displacement
?

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
?
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
?

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

?
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
?

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
?
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
?

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
?
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
?

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
?
<2: better suited for ocean passages
>2: better suited for coastal cruising
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