SUPER CLEAN, WELL MAINTAINED, OVERALL VERY GOOD CONDITION. Tall Rig/Shoal Wing Keel. Sailed regularly on Lake St Clair, not raced. We have had it for one year and we are now looking to upgrade to a bigger boat. It is currently in a marina on Lake St Claire, paid through October.
We are not in a hurry to sell. Boat will be shown by appointment to serious buyers who can demonstrate their ability to pay in full. Contact by email to provide your contact information and we will be in touch.
Highlights: Tall Rig - Wing Keel Universal M25-XP diesel engine w/ Oberdorfer upgrade water pump, K&N air filter Feathering MAX-PROP 3 blade prop Dutchman Mainsail flaking system 5 sails, newer main and 135% roller (2018), original main and 150%, Asym spinnaker Newer AGM starting(2020) and house (2019) batteries Interlux Epoxy barrier coat and VC-17 bottom coat (annually)
Description: Year: 1995 Located In: St. Clair Shores, MI Length: 30 Hull Material: Fiberglass Engine / Fuel Type: Single / Diesel Hull #: 6312 Keel: Lead Wing Keel Hull Shape: Monohull
Dimensions: LOA: 29 11 BEAM: 10 10 LWL: 25 0 DRAFT: 3 10 Displacement: 10200lbs Ballast: 4200lbs
Equipment: Engine: Inboard Universal M25-XP Diesel Total Power: 23 hp Hours: 1730hrs Drive Type: Direct Drive
Tanks: Fresh Water Tanks: 45 gallons Fuel Tank: 18 gallons Holding Tank: 20 gallons
Accommodations: Sleeps 7 Double Forward V-Berth Double Aft Berth Double Salon Berth Single Settee Berth Number of heads:1
Electronics Raymarine ST50 Speed/Depth Garmin 492 GPS Raymarine Autohelm ST4000 autopilot Windex
AGM starting battery (2020) AGM house battery (2019)
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)
Hull# 5820+. A wing keel version was available, as was a tall rig.
Wing keel draft: 1.17m 3.83’.
Last Catalina 30 was built in 2008.
(from CATALINA MKII):
Re-designed cockpit and open transom. Updated galley. Topside windows.
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