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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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Ian Godfrey Samba Member
Joined: September 25, 2006 Posts: 1135 Location: Melbourne Australia
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Posted: Thu Jan 04, 2024 2:14 pm Post subject: Re: Ghia coming home |
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quite trick metal forming...
I'd cut a strip of steel 50mm wide and roughly 250 long, curve it in the middle and shape the edge to fit the bottom of the tank. Then cut another strip 50mm in the middle but tapered down at the ends, curve in the middle and tack to the the first strip. continue adding more strips. Google pie cuts or lobster cuts. obviously yours will be a semicircle not a full tube. It would be slow but should work. |
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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TRS63 Samba Member
Joined: December 17, 2017 Posts: 982 Location: Stuttgart - Germany
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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Ian Godfrey Samba Member
Joined: September 25, 2006 Posts: 1135 Location: Melbourne Australia
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Posted: Tue Jan 02, 2024 2:29 pm Post subject: Re: Ghia coming home |
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excellent work here Lars
re the warping, have a look at https://www.youtube.com/watch?v=EBcfhaNwg4Q on heat shrinking, essentially you heat up circle red hot until a bump forms then shrink it with a hammer and dolly or against your steel table. The trick is working out the right spot to heat. You may need to do it in a few places.
I'm a bit puzzled by the steering, does it come up through the tank? if so do you need to make an arch and weld it into the tank so the tank can be removed without disconnecting the steering? |
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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halbug Samba Member
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WrennMetallWerks Samba Member
Joined: December 06, 2007 Posts: 2613 Location: Rescue ca
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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TRS63 Samba Member
Joined: December 17, 2017 Posts: 982 Location: Stuttgart - Germany
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Ian Godfrey Samba Member
Joined: September 25, 2006 Posts: 1135 Location: Melbourne Australia
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Posted: Thu Dec 28, 2023 1:53 pm Post subject: Re: Ghia coming home |
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No tips, but i am enjoying the pixs. Thats a lovely solid steel bench to work on, that heavy flat surface is excellent. |
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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Posted: Thu Dec 28, 2023 1:11 am Post subject: Re: Ghia coming home |
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First time I'm building something new from a sheet of metal, not repairung it.
Home style bending, the anti slosh plates served as templates
The tank frame attached to the new lower.
My plan is to spot weld from the inside and CUSI weld the seam again from the outside to seal. So the plan...
But lower sider walls are first and they are a the next challenge for me. And as always, if you have comments or tips please let me know. I just do as I think... never done before.
Cheers _________________ Stealth Ghia Transformation: http://www.thesamba.com/vw/forum/viewtopic.php?p=7226044&highlight=#7226044
My Berg5: https://www.thesamba.com/vw/forum/viewtopic.php?t=730276&start=0 |
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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TRS63 Samba Member
Joined: December 17, 2017 Posts: 982 Location: Stuttgart - Germany
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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Ian Godfrey Samba Member
Joined: September 25, 2006 Posts: 1135 Location: Melbourne Australia
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Posted: Mon Oct 16, 2023 1:26 pm Post subject: Re: Ghia coming home |
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No going back now, good luck with the brazing, I'm looking forward to seeing the pictures.
Are you adding any 'anti slosh' baffles while the tank is open? |
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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halbug Samba Member
Joined: March 09, 2006 Posts: 446 Location: Germany
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Posted: Tue Sep 26, 2023 10:00 pm Post subject: Re: Ghia coming home |
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Ian Godfrey wrote: |
to stretch that area I would quickly heat up a small section (30 - 40mm circle) to cherry red with oxy acetalene and work that area with a ball peen hammer. I'd start in the middle and work out a bit at a time
to cold form it you would need something behind it which you can't do
Or, when you cut the top of the tank you could possibly support the creases with some wooden blocks |
Ian, i agree, I should wait until I open the top of the tank. _________________ Stealth Ghia Transformation: http://www.thesamba.com/vw/forum/viewtopic.php?p=7226044&highlight=#7226044
My Berg5: https://www.thesamba.com/vw/forum/viewtopic.php?t=730276&start=0 |
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