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2005 Rocket 22 sailboat for sale. Hull No. 8, Gary Mull and Don Martin design.
I purchased the boat in 2016 and had it trailered from North Carolina to the west coast. The boat was and has been dry sailed. The boat is designed to allow for symmetrical and sprit flown asymmetrical spinnakers that have the same PHRF rating. The Southern California PHRF rating for her is 120 for windward leeward, 108 for random legs and 90 for downwind. The boat has no backstay, it utilizes swept back spreaders to support the mast allowing for a square top main sail. The shrouds can be tensioned at the base of the compression post and is hinged at the deck level to allow the mast to be raised and lowered.
The jib sail is furled with the drum below deck level with sheets that have 2 to 1 purchase, no need for winches. The jib sheets run to Harken blocks that are on line adjustable tracks that lead to ratcheted blocks trimming to multiple cleats that allow for windward and leeward sheeting. Jib halyard, cunningham and vang tension adjustments run below deck and have 4 to 1 purchase that lead to center deck pedestal for ease of trim. Sprit line, jib furler, tweakers, spinnaker pole topping lift lines run below deck that are accessible at the bulkhead for ease of access and trim, this minimizes the need for foredeck access and maintains a clean deck. The ultimate design for me is the cockpit centered cooler storage allowing ease of access to cold drinks and sandwiches.
This boat is innovative and uniquely designed. It sails fairly dry in comparison to Melges 24, J70, and Open 5.7. The boat is easily crewed with 2 ideally 3, very stable due to the wide beam, deep keel and long rudder but also fast. This is a real fun and exciting boat to sail and race.
https://c0eru285.caspio.com/dp/0dc330002829dcc1ad864b5bb094?appSession=474ZBZHA1Y5M2DO81SB155HE00F0Y209410Q7Y2LJD6JG50L43W8TDMPM93I0344KY12W5AM9TE188663C9Y0NY6P0QG7R328WV57MFE6KCXF0UWGP17Q1I17S6SP1Q3&RecordID=2979&PageID=8&PrevPageID=2&cpipage=1&CPIsortType=asc&CPIorderBy=Sail_Number&cbCurrentRecordPosition=37&Mod0LinkToDetails=True
https://www.sailmagazine.com/boats/rocket-22 https://www.youtube.com/watch?v=YeynGn05Zz0&ab_channel=SSIRCF
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)
A development of the earlier, Mull designed, POCKET ROCKET.
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