Need Some Quick Advise - Coronado 45 Purchase - SailNet Community
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post #1 of 7 Old 08-21-2013 Thread Starter
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Need Some Quick Advise - Coronado 45 Purchase

Howdy all... Going Sunday to look at a Coronado 45. What is your opinion of this boat as far as seaworthiness. I have an oday 25 now and this is a big jump. Planning to spend a few years in the Caribbean living on the boat with my wife. Would like to do some real bluewater cruising after the trip. What is your thoughts on this boat for both Caribbean and bluewater cruising?







Hull Type: Fin with rudder on skeg Rig Type: Masthead Sloop
LOA: 45.25' / 13.79m LWL: 34.42' / 10.49m
Beam: 12.33' / 3.76m Listed SA: 812 ft2 / 75.43 m2
Draft (max.) 4.30' / 1.31m Draft (min.)
Disp. 25000 lbs./ 11340 kgs. Ballast: 12300 lbs. / 5579 kgs.
SA/Disp.: 15.26 Bal./Disp.: 49.20% Disp./Len.: 273.69
Designer: William Tripp Jr.
Builder: Coronado Yachts (USA)
Construct.: FG Bal. type:
First Built: 1974 Last Built: 1975 # Built:
AUXILIARY POWER (orig. equip.)
Make: Perkins Model:
Type: Diesel HP: 60
TANKS
Water: 100 gals. / 378 ltrs. Fuel: 70 gals. / 265 ltrs.
RIG DIMENSIONS KEY
I: 52.10' / 15.88m J: 18.24' / 5.56m
P: 45.00' / 13.72m E: 15.00' / 4.57m
PY: EY:
SPL: ISP:
SA(Fore.): 475.15 ft2 / 44.14 m2 SA(Main): 337.50 ft2 / 31.35 m2
Total(calc.)SA: 812.65 ft2 / 75.50 m2 DL ratio: 273.69
SA/Disp: 15.27 Est. Forestay Len.: 55.20' / 16.83m
BUILDERS (past & present)
More about & boats built by: Coronado Yachts
DESIGNER
More about & boats designed by: William H. Tripp Jr.
NOTES

Shoal Draft version: 4.92'. Most likely, the CORONADO 45 hull came from the same mold as the COLUMBIA 45.

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post #2 of 7 Old 08-22-2013
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Re: Need Some Quick Advise - Coronado 45 Purchase

I had a Columbia 43 - same hull with a different lid, built in the same plant etc - Pontiac & Oldsmobile kind of thing.

Iron keel with steel bolts & backing - check carefully. Check the deck for bad core - mix of plywood & balsa. Aluminium H joint joins the hull & deck - make sure the alloy is in good shape. Factory wiring was poorly done - a good rewiring job would be a big plus. If the chainplates & stemhead fitting are original they need to be pulled and examined closely - mine polished up well but had hidden, terminal flaws.

Everything else is common to all old glass boats.

I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.
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post #3 of 7 Old 08-22-2013 Thread Starter
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Re: Need Some Quick Advise - Coronado 45 Purchase

Fantastic. I will do all of those things. How do I check keel bolts?

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Re: Need Some Quick Advise - Coronado 45 Purchase

First, look in the bilge - there will probably be some 2" X 4" steel channel transversely across each of 5 pairs of bolts. Look for obvious degradation. The big benefit of iron keels is that the bolts (studs actually) can be pulled and inspected - they are not cast in like they are in lead. How far you take this during pre-purchase depends on the cooperation of the owner. It used to be standard practice in the days of wooden boats with true keel "bolts" that went all the way through the ballast keel as well as the wood keel.

Check the before & after pics of what I dealt with in my Col. 43. I should note that even with the wasted bolts & backers the bilge was dusty dry. This setup was the standard for Columbia and Coronado boats of various sizes for many years. The top of the keel flares into a long, wide flange that sits in a moulded in recess in the bottom of the hull.
Attached Thumbnails
8 These actually held the keel on!.jpg   8e New keel hardware.jpg  
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Re: Need Some Quick Advise - Coronado 45 Purchase

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Originally Posted by SloopJonB View Post
First, look in the bilge - there will probably be some 2" X 4" steel channel transversely across each of 5 pairs of bolts. Look for obvious degradation. The big benefit of iron keels is that the bolts (studs actually) can be pulled and inspected - they are not cast in like they are in lead. How far you take this during pre-purchase depends on the cooperation of the owner. It used to be standard practice in the days of wooden boats with true keel "bolts" that went all the way through the ballast keel as well as the wood keel.

Check the before & after pics of what I dealt with in my Col. 43. I should note that even with the wasted bolts & backers the bilge was dusty dry. This setup was the standard for Columbia and Coronado boats of various sizes for many years. The top of the keel flares into a long, wide flange that sits in a moulded in recess in the bottom of the hull.
That was super helpful. Perfect. now I know what to look for. Thank you so much. I hope this helps other people who are going thru a boat purchase. You get two gold stars.

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post #6 of 7 Old 08-22-2013
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Re: Need Some Quick Advise - Coronado 45 Purchase

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The big benefit of iron keels is that the bolts (studs actually) can be pulled and inspected - .
How hard was that?
I would think that the threads on the iron would be damaged?

The lesson from the Icarus story is not about human failing.
It is a lesson about the limitations of wax as an adhesive.
If you have an engineering problem solve it.
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post #7 of 7 Old 08-23-2013
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Re: Need Some Quick Advise - Coronado 45 Purchase

It was surprisingly easy - especially when you look at how corroded they were. The threads in the keel were in good shape - the corrosion was above the top of the keel - some in the bolt hole but mostly in the bilge. I chased the threads with a bottoming tap before installing the new S/S hardware.
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