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How is the aluminium at the side half moons curved?


TopQ1967

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As the topic says!

 

I am completely repaneling my body.

 

I have some truble bending the aluminium nicely around *confused*

 

I use a wooden hamer and some heat. Is this the way?

 

Some photo's would be useful as well.

 

Regards

 

Quirin

 

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Pure craftsmanship!!

Not very helpful I know *smile*, but fact is that the panelling is the area the new chassis makers had the most trouble with initially - especially around the top rear panel, where you have some very tight compound curves. I am pretty sure no heat is used though (on ali, over a powder-coated chassis....)

 

www.mycaterham.com

here

Videos

here

100,000 miles car

 

Edited by - angus&tessa on 27 May 2007 15:36:27

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Quirin,

 

You're a brave man .. coachbuilders take years of practice to be able to do this nicely. Personally, I would think this is one job to contract out to someone who has that skill.

 

Keep off the straight and narrow *tongue* 😬

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The difficult bit is the bit where your elbow sits, where it goes from half round almost horizontal to the half moon shape - I could not manage to shrink the alluminium on the first part and stretch it at the finish - I cut it to shape and had it weldeded. Joint is just about covered by the sill protectors.

 

Good luck

 

allen

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I am getting there *smile* it took a couple of hours, but this photo is from some days ago. The dents are now out completely.

 

I have some problems in welding. I use now a brazing rod. This metal is to thin and to fluid to use horizontally. Better is to TIG weld. I have to redo this now.

 

Q.

 

Any advice is still appreciated.

 

 

 

]here

 

Edited by - TopQ1967 on 1 Jun 2007 20:38:28

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When I watched Arch replace my back panel they used any oxy-acetylene torch to gently heat the aluminium then ironed the curves with a piece of steel shaped to fit round the finished radius. When it came to joining the panels they welded on the surface then ground away the excess ridge with a file then an emery disk, they slid a piece of thin metal between the skin and the chassis before welding and removed it after finishing.

 

Well done on what you have achieved so far.

 

Andy

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