Seller's Description
Johnson J Scow, 1981 Twin Bilge boards single rudder Halyard, Mainsheet, Boomvang, board up (x2) Board Down (x2). All running rigging is in excellent condition. (think of a less complicated MC Scow) 16 feet Cockpit Cover Small storage Drawer under aft deck portside. Trailer in very good condition Two Andersen Bailers. Could use new gasket for one bailer and that’s the only leak!! Minor too. (it’s simple in design. these are used in the Finn Class, so very easy install new gaskets and link for the gasket will be provided) Excellent Mainsail w/bag (135 sq.ft.) All rigging in excellent condition Located in Mobile Alabama
The J Scow is the fore-runner of the Melges MC scow. Cat rigged and16 feet. Twin boards single rudder. A very fun boat to sail and quite quick as well. This link is for the MC Scow class. You can see hulls from older to newer and some videos to get a idea what the boat is all about. Simply rigged and extreme fun to sail.
Also, a comfortable boat to sit on with a nice wide decks and sitting depth cockpit. Stable at the dock for boarding. Big enough for 2 without crowding. Quick to set up and take down for road travel. The Sail will have a fresh wash before delivery.
or phone 251-554-0450
Specs
- Designer
- Melges/Johnson
- Association
- MC Scow
- # Built
- 2600
- Hull
- Monohull
- Keel
- ?
- Rudder
- ?
- Construction
- FG
Dimensions
- Length Overall
- 16′ 0″ / 4.9 m
- Waterline Length
- ?
- Beam
- 5′ 8″ / 1.7 m
- Draft
- ?
- Displacement
- 420 lb / 191 kg
- Ballast
- ?
Rig and Sails
- Type
- Cat
- Reported Sail Area
- 135′² / 12.5 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
-
38.4
>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
-
3.0
>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
Notes
Based on the J SCOW of the the mid-1950’s. (Designed and built by John O. Johnson). Significantly updated by Melges.
This listing is presented by SailingTexas.com. Visit their website for more information or to contact the seller.
