Seller's Description
General condition and any additional information
This is a very fun boat that needs a new home to keep it safe for the future. They only built the D-Scow for a few years. It is basically a smaller E-Scow or somewhat a C-Scow with a jib.
Standard features
1954 Johnson D Scow w/trailer, sails, mast, trailerable cover. Boat is water ready and sails great. This is a wood cedar boat that has been restored with an upgrade to a waterproof epoxy skin. This makes it very easy to maintain the original boat. Rest of the boat is as built new with cedar construction. The wood on this boat is in unbelievable condition. Sails are all original. Mainsail, Jib with attached jib boom, and a spinnaker. Wood mast and boom. Centerboards slide/move easy and fine, as do the rudders. Hardware is all original. It is not currently rigged for the spinnaker but that can easily be done. I believe I have all the necessary hardware for that. I just never needed to use it so kept the rigging basic. Trailer is extra heavy duty with tandem axel so it rides very smooth with 13 tires. Im asking $5400 for everything.
Extra gear included
Sails are all original. Mainsail, Jib is the original style which has its own boom. This detachable boom keeps the bottom stiff and has the rigging attachment points. and a spinnaker. Wood mast and boom. Original Aluminum Centerboards and rudders. Hardware is all original. It is not currently rigged for the included original spinnaker but that can easily be done. I believe I have all the necessary hardware for that. I just never needed to use it so kept the rigging basic.
Improvements to the hull, deck, rigging, engine, or interior
This is a wood cedar boat that has been restored with an upgrade to a waterproof epoxy skin. This makes it very easy to maintain the original boat. Rest of the boat is as built new with all cedar wood construction. The wood on this boat is in unbelievable condition. The interior wood is basically Un-Restored because the condition is so good I felt it better to leave it as is to preserve the originality of the vintage boat Only change from original hardware is an upgrade to a ball pivot style mast. The original fixed pivot hardware is available. But puts more stress on the rigging, especially the mast. So I converted it to the newer style
Specs
- Designer
- J.O. Johnson
- Association
- C Scow Association (USA)
- # Built
- ?
- Hull
- Monohull Scow
- Keel
- Twin Centerboard
- Rudder
- ?
- Construction
- FG or Wood
Dimensions
- Length Overall
- 20′ 0″ / 6.1 m
- Waterline Length
- ?
- Beam
- 6′ 11″ / 2.1 m
- Draft
- 0′ 2″ / 0.1 m — 3′ 3″ / 1 m
- Displacement
- 650 lb / 295 kg
- Ballast
- ?
Rig and Sails
- Type
- Cat
- Reported Sail Area
- 216′² / 20.1 m²
- Total Sail Area
- ?
Mainsail
- Sail Area
- ?
- P
- ?
- E
- ?
- Air Draft
- ?
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
- Engine Hours
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
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
- Sail Area/Displacement
-
46.1
>20: high performance
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.
- 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
- 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
- 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
- Capsize Screening
-
3.2
>2.0: better suited for coastal cruising
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
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