Rivetting into carbon
Printed From: Yachts and Yachting Online
Category: General
Forum Name: Repair & maintenance
Forum Discription: Questions & tips on the subject
URL: http://www.yachtsandyachting.com/forum/forum_posts.asp?TID=3455
Printed Date: 11 May 25 at 10:15pm
Software Version: Web Wiz Forums 9.665y - http://www.webwizforums.com
Topic: Rivetting into carbon
Posted By: mike ellis
Subject: Rivetting into carbon
Date Posted: 01 Oct 07 at 5:17pm
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right, my main halyard cleat on my 600 is shredded, ts so bad i had to tie the halyard to the boom this weekend. any tips before i go and drill out the old rivetts and get a new cleat? what do you use to isolate the rivets from the carbon? asuming it will corrode unless i put something between the 2. ------------- 600 732, will call it Sticks and Stones when i get round to it. Also International 14, 1318 |
Replies:
Posted By: Paramedic
Date Posted: 01 Oct 07 at 5:18pm
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Duralac works just as well with carbon as with aluminium. Carbon and Ally react very well togther do don't skimp! |
Posted By: mike ellis
Date Posted: 01 Oct 07 at 5:21pm
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can you get rivets made from a less reactive alloy/metal? and where can i get duralec from? ------------- 600 732, will call it Sticks and Stones when i get round to it. Also International 14, 1318 |
Posted By: Guest
Date Posted: 01 Oct 07 at 5:49pm
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Make sure you get special carbon rivets they collapse a different way to the normal ones and don't crush the carbon. ------------- |
Posted By: Black no sugar
Date Posted: 02 Oct 07 at 3:15pm
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And a tough rivet gun! You'll need more muscle power for that than driving a rivet into aluminium. ------------- http://www.lancingsc.org.uk/index.html - Lancing SC 
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Posted By: Smight at BBSC
Date Posted: 02 Oct 07 at 6:22pm
Some old 600 sailor at bbsc left the old cleat and just riveted a new one underneath  It's already started to rust  ------------- RS600 988 |
Posted By: Merlinboy
Date Posted: 02 Oct 07 at 6:52pm
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It only reacts in salt water doesnt it??? i thought that the salt water, carbon and alloy created a kind of battery, as for rivet gun get some lazy tongs! ------------- |
Posted By: English Dave
Date Posted: 02 Oct 07 at 11:31pm
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Salt water does make things worse as the salt in the water acts as an electrolyte and that helps the galvanic corrosion. Pure water is a relatively poor conductor although throwing a toaster in the bath is still a bad idea. Use dichromate paste in any case - it saves having to replace every rivet if you move to the seaside. Also, with Tewksbury's sewage treatment plant getting flooded the other week ( I used to row at Lower Lode, below the weir as a nipper so I know the area) I'm sure there were lots of electrolyes around Forget lazy tongues, get an air gun! ------------- English Dave http://www.ballyholme.com - Ballyholme Yacht Club (You'd think I'd be better at it by now) Hurricane 5.9 SX RS700 |
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Posted By: mike ellis
Date Posted: 03 Oct 07 at 6:15pm
why's it so hard to rivet into carbon fibre? whats different from alluminium? ------------- 600 732, will call it Sticks and Stones when i get round to it. Also International 14, 1318 |
Posted By: Villan
Date Posted: 03 Oct 07 at 7:03pm
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Surley it should be exactly the same? Drill out old rivet Slop on some of the anti-corrosion gloop Put Rivet into Rivetgun Insert into existing hole in mast, ensuring gloop spreads over it Pull handle a few times, until a loud *BANG* is heard Done! Now turn around, and try it on your own boat! Good Luck!! ------------- Vareo - 149 "Secrets" http://www.TandyUKServers.co.uk" rel="nofollow - TandyUK Servers |
Posted By: timnoyce
Date Posted: 03 Oct 07 at 8:40pm
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The actual act of rivetting into carbon is the same as riveting into aluminium... it's just more critical exactly how you do it. I agree with Rick that you should try and get hold of some of the carbon rivets as they don't squash the fibres like a normal rivet and so you won't cause a structural problem in the mast. If you ring me at work tomorrow I can probably get you a couple in the post if we have any in stock. ------------- http://www.facebook.com/bearfootdesign - BEARFOOT DESIGN Cherub 2648 - Comfortably Numb |
Posted By: mike ellis
Date Posted: 03 Oct 07 at 9:03pm
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see PM ------------- 600 732, will call it Sticks and Stones when i get round to it. Also International 14, 1318 |
Posted By: Merlinboy
Date Posted: 04 Oct 07 at 8:23am
Dave the whole town stank (worse then normal) real mess i had a tide mark of sh*t stuck arround the bottom of my boat that i couldnt shift for hours of scrubbing! I havnt swam in the water since the floods dont really intend to either ------------- |
Posted By: mike ellis
Date Posted: 03 Dec 07 at 10:55am
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right i've finnally finnished varnishing my mast and ive got a new cleat but i still haven't been able to get hold of any rivets for carbon fibre, even google hasnt been any use. can someone point me in the right direction please? ------------- 600 732, will call it Sticks and Stones when i get round to it. Also International 14, 1318 |