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1978 Ranger 30 for sale. She is in good shape, has a list of minor things that need to be taken care of. She is a solid, well made boat. She rates 177 PHRF. She is comfortable to cruise or race in. She likes wind above 12-15kts, and is perfectly happy up to about 30kts. I have done 2 Port Huron to Mackinac Races, and 10 seasons of club racing in the U.S. and Canada. I am absolutely certain of her capability to handle anything Lake Huron can throw at her. If the ad is up, she still is available. Great boat for a family or couple.
For more info on model: See O’Day 30, or sailboatdata.com/sailboat/ranger-30
Equipment: GPS, Chartplotter (Vulcan 7, 2021), NMEA network including Garmin GMS 10 Wind/Speed/Temp, GMI 10, Fuel Tank sensor, bluetoooth broadcaster to Garmin watch, Network updater, 2 NMEA 2K GPS antennas, VHF (1 staionary, 2 handhelds) Stereo and 2 speakers in cockpit. Engine Atomic Four, Electronic ignition (2020) Sails: Main (unknown Age), Genoa 155 (Doyle 2018), Asymmetrical (Doyle, 2021, used twice), Symmetrical (Doyle 2020), Storm Jib (2013, never used) Cruising Spinnaker (original, blown out), 155 Genoa (est. 1995, (still solid), Number 3, (Guessing 1985, have used it in high winds, serviceable, not a great shape). Prop: Folding Martec Elliptec RH 12Dx6P-3 (unknown age, solid, small amount of wear) 6 point steel cradle included. Folding dining table for interior also included. More photos can be found following this link:
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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)
Similar to the O’DAY 30 but with taller rig and deeper keel.
At this time both Ranger and O’Day were owned by Bangor Punta Corp which, in turn, was purchased by Lear Seigler.
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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