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Coronado 28
Coronado 28 is a 27 ′ 11 ″ / 8.5 m monohull sailboat designed by William Crealock and built by Coronado Yachts between 1974 and 1975.
Rig and Sails
Auxilary power, accomodations, calculations.
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
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL
Sail Area / Displacement Ratio
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
- SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D : Displacement in pounds.
Ballast / Displacement Ratio
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
Displacement / Length Ratio
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
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
Comfort Ratio
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 Beam 1.33 )
- D: Displacement of the boat in pounds
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
Capsize Screening Formula
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)
Probably from the same mold as the COLUMBIA 28. At this time both Columbia and Coronado were divisions of Whittaker Corp.
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coronado 27
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You might check the thread on this site about the Coronado 25. Kinda sums up my opinion on them. Back in the 80's when I was upgrading from a daysailor to a small cruiser, I spent a lot of time looking at a bunch of 70's sailboats with no real clue as to their reputations. I crawled all over Bristols, Catalinas, Kittiwakes, Hunters, Grampians, Coronados and more. With so many to look at in our local yard, it was pretty easy to figure out which ones were built for the long haul. I couldn't get off the Coronado fast enough. Particularly, the deck seemed like a trampoline...coulda been just that boat, but there was nothing about the boat that impressed me as being other than the least it could be. I ended up with a 1972 Grampian 26 that I sailed for the next decade...night and day different in build quality as compared to the Coronado. That isn't to say people don't find happiness even on McGregors, but when you figure all the time you'll spend on your boat, and all the labor and $'s you WILL put into it, it seems like a you'd want a boat you KNOW is built reasonably stout. There are so many good boats out there for not a lot of loot. As you know, this site will likely give you all the info you need on this subject. Also, if you're planning on having your potential boat surveyed, you might locate a good surveyor in advance and bounce a few ideas off him. A good one knows their boats, and the boats in your area. They also have a handle on values. Happy hunting.
I concur with Siamese. While many are safely enjoying sheltered coastal cruising on Coronados of various sizes, comparitively speaking there are many better boats out there. The Coronados are usually attractively priced, but in this case you will likely be getting what you pay for. Personally I find most Coronados designs aesthetically lacking too. In today's market you can expect to do better.
I agree with their view point: You definitely get what you pay for in a sailboat. If a boat is really more inexpensive... there is a good reason. There are many, many decent 1970's boats available [i.e. Ericson, Pearson, C&C, etc.]. You can find them at very attractive discount prices in today's market. Just be willing to save up for your dream boat, which may require patience and lots of homework. But, I would not buy any Coronado.
I agree with others, with one caviat: price. Yes, Coronados were "economically" built and are not of the highest quality. And it's also true that you get what you pay for. What's your budget and what is the asking price of the Coronado 27 you're considering? If your budget is sufficiently large enough, you'll have plenty of better choices. However, having been a low budget sailboat shopper, I know that the pickings can indeed be slim. If it's a starter boat that fits your budget and meets the safety requirements of your intended use, then a Coronado may be just right. I personally shopped some late 1960's Coronado 25's a couple of years ago and went away thinking they were decent coastal/bay starter boats for the price.
Respectfully disagree Coronados may not be the elite sailors, but I'd stack my 40 yr old 27 up against many. I just singled her from Ft Lauderdale to Key West in 25 to 40 with 4-6. It was a workout, but what a blast! This boat hauls closer than many. Contrary to what some have said, this is, if kept up well, a very strong boat.
It was on my list, but I opted to spend more on my late 80s vintage boat instead of significantly less on a 60s-70s vintage. Still, we are only talking about a difference in price of a few thousand. The bottom paint and marina are the same costs no matter. That wide, flat deck on the Coronado must be tight. I mean tight!! Otherwise, walk away. I think they are cool boats though...
yeah what ever happened to Captain Neil? His site went down awhile ago.
The look and feel of the boat will somewhat depend on the sailor using it as beauty is in the eye of the beholder but these boats are generally fairly priced and they are about right for what they can do.
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Designed to determine if a boat has blue water capability. The CSF compares beam with displacement since excess beam contributes to capsize and heavy displacement reduces capsize vulnerability. The boat is better suited for ocean passages (vs coastal cruising) if the result of the calculation is 2.0 or less. The lower the better.
Coronado 28 is a 27 ′ 11 ″ / 8.5 m monohull sailboat designed by William Crealock and built by Coronado Yachts between 1974 and 1975.
1974 was the last year that Coronado's were built in a separate (from Columbia) plant, though boats with the Coronado name continued to be introduced (such as the CORONADO 45). All later boats were built by Columbia and many from Columbia molds. (The CORONADO 28 was based on an earlier Columbia hull.)
Coronado boats for sale on YachtWorld are offered at a swath of prices from $15,000 on the more modest side, with costs up to $45,000 for the more sophisticated, luxurious yachts.
1974 Coronado Yachts CORONADO 28/SL Prices and Specs Select Option Packages Below
Coronado Yachts was a US sailboat manufacturer located in Southern California which produced several popular lines in the 1960s and early 1970s. Many of the boats they built are still sailing and racing today.
A boat's history affects it's value—check the history of this 1974 Coronado Yachts and avoid buying a previously damaged boat. Check for storm damage, accidents, loss, theft, registration history and more.
If it's a starter boat that fits your budget and meets the safety requirements of your intended use, then a Coronado may be just right. I personally shopped some late 1960's Coronado 25's a couple of years ago and went away thinking they were decent coastal/bay starter boats for the price.
Find Sail Coronado boats for sale in your area & across the world on YachtWorld. Offering the best selection of Coronado boats to choose from.
Coronado. Capacity. 7 people. Boat Details. Description. The very last wood Coronado to come off the line at Century, verified by the Century Club (see documents at the end of photos). Largely original, we rebuilt the original 427/300 hp Ford Interceptor, which has about 20 hours accrued.