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well that settles it. great info thanks!
Just confirming, would it be 6.9/1.68 = 4.1 instead of 69/1.68=41?
in either case, thats a huge stainless steel strap.

I priced some copper yesterday. I need 4mm x 70mm x 300mm to cut the shape i need for each strap. the closest i could get was 5mm x 90mm in 4 metre length for $282!
I'll see if i can change the design to make them smaller.
3mm x 25mm should be just fine!!!!! What the heck are you thinking??

I found a 6mm bend allowance works.
 

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Hi. I assume you need more than one of these? Rather than try to cut one out of a sheet, do you have the option of paying someone with a brake to bend one for you out of 3mmx25mm?

Jim
 

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this tin-plating - I had a quick look on utube and it looks like one has to electroplate the tin onto the copper? How difficult is this anyway? I'm not feeling too bad about using my anti-corrosive paste, but would like to know what is involved before I go ahead and do 'final' assembly.

I've done electroplating before, and to get a good result, one needs to heat the solution, have a bubbler, and it takes some time.

Hmmmm, maybe silver-plating onto copper is easier - should spontaneously react with copper.

Thanks.
 
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