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ECU 36’ Mariner Sailboat.
SHakespeare SeaWatch 15” HD TV Antenna 2018
HIN MYN36031M8OA Hull Number 31 Beam 11’ 6” Draft 5’ Displacement 17,000 lbs with 5,650 lead ballast Fuel Capacity 44 gallons AC Power: 110v/30Amp DC Power: 12 Volt Sleeps 4 Forward V-Berth Dining Table conversion Single Head Galley Includes Refrigerator w Freezer CNG Oven/Stove Microwave Sink Weems & Plath Clock & Barometer
Equipment: New Beta Marine Engine 2019 Garmin GNX Sail Pack 2019 West Marine RIB 260 Dinghy 2019 Dometic 16,000 BTU Enviro Comfort Reverse Cycle A/C & Heat 2019 Head Hoses & Joker Valve Redone 2019 Rochna 20 Anchor 2019 Jabsco Toilet Pump Assembly 2019 New Anchor Chain & Rode 2019 Danforth Compass Refurbished 2018 New Cockpit Cushions & Bimini 2018 New Halyards 2018 New Prop Shaft 2019 Garhauer Boom Vang 2019 Garhauer Main Sheet 2019 19” ELement TV 2018
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.
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
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.
SA/D = SA ÷ (D ÷ 64)2/3
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.
Ballast / Displacement * 100
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.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
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.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
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.
CSV = Beam ÷ ³√(D / 64)
aka (or similar)
AMERICAN 26
AMERICAN 27
AMERICAN 8.0
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