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Bret2094 Samba Member
Joined: March 22, 2012 Posts: 665 Location: Linden, Texas or College Station Texas
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Posted: Sun Jul 20, 2014 2:13 pm Post subject: Another Thread about rust...lots of rust...like AHHHHHHH |
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Alright so i recently scored a huge find. A guy not far from my grandparents had a Ghia and two 1958 beetle's sitting in the woods at his house. both of the beetles have the 36 horse engines, complete and in good shape.One of the 58's has a factory ragtop and has been baja'd. I asked the guy about em, and he said if i wanted em i could have em for $100. WOOOOOOO!!! These things are rusty as crap, but if i could come up with a way to derust an entire car good enough so that it can be sealed and painted, I am gonna try my best to save these early bugs. What on earth could be used to derust the surface of and entire roof? Chemical? If so , what? the cars are pretty solid apart from heaterchannels , floors , and a few fenders, but i can weld pretty well, so metal fab isnt an issue. I'm not concerned about the pitting, as i'll be mud covering the entire car with bondo, just to smoove out the pits. Wire wheels are liable to take me 300 plus hours with this amount of rust, but feel free to voice your opinion _________________ 1959 baja beetle ragtop( going back to Full body)
1959 beetle
1960 Beetle frame Custom buggy
1962 Karmann Ghia
1967 beetle( august 66, first car)
1967 beetle (parts car)
1977 Westfalia Camper
1972 Plymouth Duster
Just another 22 year old jackass who caught the bug, and lives by the motto " NO fatchicks allowed" , I've got too many cars as is (buses N/A) |
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Northof49 Samba Member
Joined: July 22, 2013 Posts: 1759 Location: Winnipeg, Manitoba, Canada
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Posted: Mon Jul 21, 2014 7:26 am Post subject: |
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You could have it soda blasted, you could take it somewhere and they could acid dip it, or you could build a large tank of diluted molasses and soak it for a week or two. _________________ 1958 Karmann Ghia owner |
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Bret2094 Samba Member
Joined: March 22, 2012 Posts: 665 Location: Linden, Texas or College Station Texas
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Posted: Mon Jul 21, 2014 11:44 am Post subject: |
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Ive entertained the idea of having my own vat for molasses, you think a setup made from two by fours and a giant tarp would suffice for a couple weeks? _________________ 1959 baja beetle ragtop( going back to Full body)
1959 beetle
1960 Beetle frame Custom buggy
1962 Karmann Ghia
1967 beetle( august 66, first car)
1967 beetle (parts car)
1977 Westfalia Camper
1972 Plymouth Duster
Just another 22 year old jackass who caught the bug, and lives by the motto " NO fatchicks allowed" , I've got too many cars as is (buses N/A) |
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Northof49 Samba Member
Joined: July 22, 2013 Posts: 1759 Location: Winnipeg, Manitoba, Canada
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Posted: Mon Jul 21, 2014 2:14 pm Post subject: |
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Bret2094 wrote: |
Ive entertained the idea of having my own vat for molasses, you think a setup made from two by fours and a giant tarp would suffice for a couple weeks? |
Depends on how many 2x4's. You could have a ton of liquid in it. Would need to be braced pretty solid. _________________ 1958 Karmann Ghia owner |
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Thrasher22 Samba Member
Joined: October 05, 2010 Posts: 858 Location: Calgary, Canada
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Posted: Tue Jul 22, 2014 12:58 pm Post subject: |
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I'd get them soda blasted. That sounds like a ton of molasses/crap you'd have to deal with, drain from all the channels, and dispose of.
When you say wire wheels, are you talking the kind that attach to a drill? You should be able to do a whole vehicle in a couple days (max) with a knotted wire wheel for a grinder. A wire wheel on a drill won't take out much of the rust either, knotted wheels/grinder combos will take out much more pitting.
But yes, it sucks, is loud, and takes ages _________________ 1975 Westfalia - http://www.thesamba.com/vw/forum/viewtopic.php?t=516701 |
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abritinthebay Samba Member
Joined: May 31, 2012 Posts: 294 Location: San Francisco, USA
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Posted: Wed Jul 23, 2014 1:27 pm Post subject: |
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With that much rust you need to get it dipped. That involves dipping it in a vat of a base to remove any crap and then a giant vat of phosphoric acid to eat all the rust.
Once that is done a quick rust treatment and heated dry after a rinse will do it. There's a great place in the PNW that does it but there are lots of others too.
Any other option is just not going to do it completely - even blasting. |
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Bret2094 Samba Member
Joined: March 22, 2012 Posts: 665 Location: Linden, Texas or College Station Texas
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Posted: Thu Jul 24, 2014 7:43 pm Post subject: |
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figure ill go ahead and fix all the mechanical parts and get my pans all fixed up before i decide what to do. got plenty of room ( 200 acre farm if i decide to make a more premanent vat ). Currently a college student on summer break so i pretty much get up at 730 every morning and do vw restorations till i get too tired to walk in the evening. pans will be in tomorrow, just weighing options, since ireally dont wanna pay for the dipping method. As far as the wire wheel goes, i have a grinder with a braided wire wheel. _________________ 1959 baja beetle ragtop( going back to Full body)
1959 beetle
1960 Beetle frame Custom buggy
1962 Karmann Ghia
1967 beetle( august 66, first car)
1967 beetle (parts car)
1977 Westfalia Camper
1972 Plymouth Duster
Just another 22 year old jackass who caught the bug, and lives by the motto " NO fatchicks allowed" , I've got too many cars as is (buses N/A) |
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d5626 Samba Member
Joined: December 09, 2008 Posts: 154 Location: Pomona
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Posted: Sat Aug 09, 2014 3:59 pm Post subject: |
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With that much room I'd experiment with electrolysis on a big scale to remove the rust. Dig a hole half the depth of the car and line it with a couple of tarps and do bottom half then flip the body and do other half. I would just use wood for a temp rotisserie. Read up on what power supply would be needed for something that large. I don't think a battery charger like most guys have used for small stuff would suffice. |
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VW_Buggsy Samba Member
Joined: April 15, 2002 Posts: 517
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Posted: Sat Aug 09, 2014 6:46 pm Post subject: |
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On that scale I think you'd use a welder as your power supply for electrolysis
Acid would probably work better though because I believe electrolysis needs "line of sight" to the rust to work and won't do the internal voids well. That's if I'm remembering correctly. |
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Bret2094 Samba Member
Joined: March 22, 2012 Posts: 665 Location: Linden, Texas or College Station Texas
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Posted: Tue Aug 12, 2014 1:32 am Post subject: |
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d5626 wrote: |
With that much room I'd experiment with electrolysis on a big scale to remove the rust. Dig a hole half the depth of the car and line it with a couple of tarps and do bottom half then flip the body and do other half. I would just use wood for a temp rotisserie. Read up on what power supply would be needed for something that large. I don't think a battery charger like most guys have used for small stuff would suffice. |
This is more of the stuff i like hearing about. The crazyer, the better. Anyway this project that needs the large rust treatment got put on hold, but this gives me more time for mad scientist type plans _________________ 1959 baja beetle ragtop( going back to Full body)
1959 beetle
1960 Beetle frame Custom buggy
1962 Karmann Ghia
1967 beetle( august 66, first car)
1967 beetle (parts car)
1977 Westfalia Camper
1972 Plymouth Duster
Just another 22 year old jackass who caught the bug, and lives by the motto " NO fatchicks allowed" , I've got too many cars as is (buses N/A) |
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