Thanks Dave. My boat has a non-hydraulic backstay adjuster, and has a "dimple" in the topsides in the area of the port chainplate. I did have it professionally surveyed, and the surveyor didn't mention it or didn't notice it. I also inspected the boat carefully myself after buying it, following the procedures in Don Casey's "Inspecting the Aging Sailboat" (including standing astern and ahead looking at the verticality of the keel and rudder through a grid drawn on a clear sheet of plastic).
Anyway the "dimple" is an oval-shaped flat spot in the curvature of the hull, about 9" high by 6" wide, on the port side only, in the vicinity of the chainplate, centered some 12" above the waterline. You can see it pretty well in this picture: https://drive.google.com/open?id=0B-NqAxQ6JxFTQzlqNkNhR1djSmc . It's the dark disruption in the reflections off the topsides. I'd welcome any opinions on what this may be. I have no indication that part of the hull, or the chainplate knee, is anything but completely solid and immobile. Nor do I have any indication this blemish has any effect on the sailing characteristics of the boat. Thanks in advance. Best Regards, Randy Stafford S/V Grenadine C&C 30-1 #7 Ken Caryl, CO ----- Original Message ----- From: "Dave" <syerd...@gmail.com> To: "RANDY" <randy.staff...@comcast.net> Cc: "cnc-list" <cnc-list@cnc-list.com> Sent: Sunday, November 27, 2016 4:18:31 PM Subject: Re: Buckled Topsides at the Chainplates (was Re: Stus-List Brokers and surveyors) First sighted when I was looking at a c&c corvette. This boat had older Dark blue awlgrip and had been upgraded (including hydraulic backstab adjuster) and was due again for a general refit When sighting down the top sides I detected some deep waviness (like 3/16 to 1/4" distortion) in the top sides right by the chain plates, and when I looked closely i could see hard spots where the chain plate knees attached to the hull. This had occurred after the paint, and of course the dark paint made it easier to spot. So, I started looking for this in other boats, and was quite surprised to see how often this kind of distortion occurs especially in early '70s boats retrofitted with hydraulic adjusters. I have never seen it mentioned in a survey. Anyway, don't believe me, stand astern and sight along the top sides of boats at your marina. While you are at it, compare the verticality of the rudder vs the keel. ;-) Dave. Sent from my iPhone On Nov 27, 2016, at 9:38 AM, RANDY < randy.staff...@comcast.net > wrote: Dave I was intrigued by your mention below of "buckled topsides at the chainplates". What did that look like when you saw it? Cheers, Randy ----- Original Message ----- From: "Dave S via CnC-List" < cnc-list@cnc-list.com > To: "C&c Stus List" < cnc-list@cnc-list.com > Cc: "Dave S" < syerd...@gmail.com > Sent: Sunday, November 27, 2016 6:27:48 AM Subject: Re: Stus-List Brokers and surveyors To add to Chuck's thoughts: <blockquote> ... Surveyors/surveys are highly variable, and will not be as thorough or effective as you would like. I have read surveys while looking at boats that missed obvious problems, bent rudder shaft, (2 C&C 34s) buckled topsides at the chainplates...(several older boats with hydraulic backstay adjusters fitted) Specific known issues should be researched by the buyer and specifically referenced to the surveyor and broker - again, in writing. Forums and lists like this are fantastic sources of info, and the list members know more than surveyors, generally. (Examples would be banging kanazaki transmissions, worn folding props, rod/wire rigging, keel stub/mast step issues on 33-2, 35-3, 41, cracking keels in frozen parts of the world... - no doubt there are many many others) It is rare indeed that a surveyor will be that knowledgable or thorough with regard to a particular model. (unless he owned one, as in Chuck's case) If I were remote- buying a boat that was worth any sort of money I would make a point of inspecting it with the surveyor. ... </blockquote>
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