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Valt
May 14, 2006

Oh HELL yeah.
Ultra Carp

mekilljoydammit posted:

More progress! But first a demonstration of a not so hypothetical scenario... see I'm getting better at getting miter lengths exactly right now that I figured out what I was doing wrong, but it's humid out, I'm sweating like a pig, and sometimes I mess up. So first, keep in mind the split collar with the wrench flats and the angle finder - that stays on the tube until the fitup is as good as it's going to get. So I can always put it back into the notcher and preserve angles. So slide it all the way to the holesaw like so:


And there's a reference for where it's cut to now. Which is in this case about a quarter inch too long.


So I grab my handy dandy 0.251" pin gauge... (what's a thou between friends?) (OK really I'm using a holesaw, I don't need this precision but it's sitting right there)


... and use it to set a split collar standing off from that side of the notcher the thickness of that pin gauge. Just slide it forwards that bit, voila, 0.251" (ish, lol) more notch depth.


Where I left off for the night. Most welds are at best tacked, a bunch of joints are just held together by clamps or tension, but you get the idea. Obviously there's an order it has to get finish welded in.

Out of curiosity and maybe you have said already. But what are welding the tubing with? That looks like a huge amount of tig welding and I’m not sure that would even be needed. I think a lot of the race shops tig weld chassis because they have the time and the money.

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Valt
May 14, 2006

Oh HELL yeah.
Ultra Carp

mekilljoydammit posted:

I'm TIGing it - not out of any need, but because TIG welding is more fun to me than MIG. MIG would be totally fine, but hell, if I was doing this as anything other than a labor of love, there's a lot of things I'd do differently.

It’s definitely a great practice session. What are using as far as cup size? Are you using a gas lens or just a regular gas jet setup?

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