Ahmet, If you are diving deep into your C&C 25’s build history I recommend contacting the Marine Museum of the Great Lakes and purchasing the original build drawings.
Here is the contact info I used in March 2015: Sandrena Raymond Curator Marine Museum of the Great Lakes at Kingston (613) 542-2261 | cura...@marmuseum.ca<mailto:cura...@marmuseum.ca> The curator searches the archives by boat type. In March the digital copies were $10.00 each, printed also $10.00 with a longer lead time. I was very happy with the service and continue to be happy I purchased the drawings. Calypso being hull #1 of the “Limited Edition” 43 series did not have some of the re-enforcements added to later hulls and decks. Going through the drawings I picked up a few places to add extra re-enforcement during our ongoing deck refirb project. If the museum has the full set of build drawing for your boat’s production run ask for copies of the materials and parts used list. I expect there is detail on the keel bolt attachment both internal and how the bolts are terminated in the lead. I also found hand drawn notes from the C&C design team specifying the stern modifications done in 1974 to lower the IOR rating. It is a comfort to know the C&C team was involved. Along with hull, deck, and interior construction details I purchased all the rig, rudder, and keel drawings available. Hand written in on the keel drawing was the actual casting weight of the keels for the first 3 43’s built. Martin DeYoung Calypso 1971 C&C 43 Seattle [Description: Description: cid:D1BF9853-22F7-47FB-86F2-4115CE0BAF2F] From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Ahmet via CnC-List Sent: Tuesday, November 24, 2015 8:34 PM To: cnc-list@cnc-list.com Cc: Ahmet Subject: Re: Stus-List Update: Re: Keel attachment issues on a C&C 25 I suspect, you are right. 40+ years of corrosion. Was it lack of material knowlege ?, cutting costs on hardware ?, I was trying to figure out what the material is. It is very magnetic, So I presume it was just simple steel. The nuts and bolts are in good shape after all. Nonetheless, I love Tabasco, and once these simple kinks are fixed, she will probably outlast me :) Rick said: >The steel backing plates probably were original. Ahmet
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