1991 Island Packet 35 Hull # 119
Yanmar 35 HP Diesel Direct drive
Fresh water tank: 90 gals aluminum Fuel tank: 48 gals aluminum Holding tank: 18 gals aluminum
Berths: 3 Cabins: 3 Heads: 1
Shore Power Inlet with two cords plus splitter Dodger, Bimini Top & Connector Cockpit seat cushions Forespar Outboard Motor Lift Lewmar H2 Electric Anchor Windlass Spinnaker with sock and Whisker Pole Staysail, Headsail and Mainsail with Mack Pack Two anchors 35# Bruce and 35# Plow 270 of Nylon Rode and 270 of 3/8 Galvanized chain All chain plates replaced in March 2021
Communications and Navigation
Standard Horizon VHF with RAM Garmin 741Xs Chartplotter with Sonar Garmin 21 Radar Pioneer AM/FM Radio with two Speakers ICOM SSB Radio Ritchie Globemaster Compass Raymarine ST7002 Autopilot with new controller in 2021 Tri-color masthead light Independent spare depth sounder ACR Emergency SARSAT Beacon
Seaward Princess Two burner Propane Stovetop with two Propane tanks Microwave Oven Marine Air Systems Central A/C Inverter Sentry Battery Charger House & Starter Batteries new in May 2021 Electric Bilge Pump/High Water Alarm Whale Manual Bilge Pump Frigoboat Capri 50F - 12 Cubic foot Refrigerator Double Sinks in galley Hot Water heater new in 2020
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 √LWLA 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)
Draft for CB version: 4.0’ BU, 7.58’ BD.
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