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Originally Posted by Joe Perez
(Post 932983)
. That's about the limit of my fabrication skills in this regard. The thought of driving around in a chassis that I built myself terrifies me.
Based on your posts, I wont have a problem driving anything you built with your hands. |
I now own a TIG welder and have measured my garage. With a bit of cleaning and rearranging I think I could have the room to build something. So I think over winter I learn to weld well enough to attempt to assemble a frame. This also gives me time to gather all the tools I will need to build a locost and continue research on the exact design I want to go with. Then hopefully sometime in the spring I could attempt to start a build.
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Originally Posted by shuiend
(Post 948743)
This also gives me time to gather all the tools I will need to build a locost and continue research on the exact design I want to go with. Then hopefully sometime in the spring I could attempt to start a build.
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Originally Posted by shuiend
(Post 948743)
I now own a TIG welder and have measured my garage. With a bit of cleaning and rearranging I think I could have the room to build something. So I think over winter I learn to weld well enough to attempt to assemble a frame. This also gives me time to gather all the tools I will need to build a locost and continue research on the exact design I want to go with. Then hopefully sometime in the spring I could attempt to start a build.
Originally Posted by skou
(Post 948753)
If you haven't already, join the LocostUSA.com forum. Lots of information and helpful people over there.
Not to dissuade you or anything. |
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Originally Posted by skou
(Post 948753)
If you haven't already, join the LocostUSA.com forum. Lots of information and helpful people over there.
Originally Posted by Stein
(Post 948765)
You can go read my build thread there. I think my half-completed project is on owner 3 or 4 now...
Not to dissuade you or anything. https://www.miataturbo.net/attachmen...ine=1352724108 |
Originally Posted by shuiend
(Post 948743)
I now own a TIG welder and have measured my garage. With a bit of cleaning and rearranging I think I could have the room to build something. So I think over winter I learn to weld well enough to attempt to assemble a frame. This also gives me time to gather all the tools I will need to build a locost and continue research on the exact design I want to go with. Then hopefully sometime in the spring I could attempt to start a build.
Build turbo manifolds which are easier. Sell enough manifolds to buy a frame. I've sold enough manifolds/downpipes/turbos over the last 3 years to buy one of these kits. |
Originally Posted by TurboTim
(Post 948819)
My two cents:
Build turbo manifolds which are easier. Sell enough manifolds to buy a frame. I've sold enough manifolds/downpipes/turbos over the last 3 years to buy one of these kits. I will be signing up for a tig welding class at my local community college tomorrow. It is a month long class in January and February. Hopefully after then I will have enough knowledge and skill to weld decently. |
I took a welding class at the local tech school a few Summers ago. For $400 I had as much seat time and materials as I could possibly consume, two days a week, all Summer long. I learned more in that Summer than I did in the ~6 years of semi regular playing with a TIG machine that i did before that. Worth every penny.
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I am officially signed up for the Tig class at my local CC. I will be getting proper lessons starting in January.
This past Saturday I finally got the outlet installed for the welder. I also spent most of the weekend cleaning my garage. I can now fit a miata in easily so I should have more then enough room for a 7 frame. https://www.miataturbo.net/attachmen...ine=1353449828 Also how does these tungston tips look? Are they sharp enough? https://www.miataturbo.net/attachmen...ine=1353449828 |
Originally Posted by shuiend
(Post 951670)
Also how does these tungston tips look? Are they sharp enough?
https://www.miataturbo.net/attachmen...ine=1353449828 I've was taught to hold the tungsten perpendicular to the rotation and spin the tungsten in your fingers as you grind it. This makes it so the tiny grooves left by he grinder on the sharpened part will all converge at the point rather than be concentric rings around the cone. This should give you a better arc pattern. |
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Nice job on the garage! Invest in a larger vice though like this one.
You want the head to rotate. When I have to weld at my dads shop with his fixed vice like yours, it is a royal pain in the ass. https://www.miataturbo.net/attachmen...ine=1353463282 Those electrodes look fat. I use .062, those look to be fatter. I do not have good luck with fat electrodes on anything that is the thickness of what you will be welding. On the max current my tig puts out .062 is fine. Fatter makes the arc harder to handle for me but I have never taken a class. Just my 2 cents. |
And the red electrodes are nnnnice but radioactive slightly. I now use gold/lanthanted on steels with a needle tip and reds on alum with a rounded nose. I never had any luck with greens on aluminum.
But on a month you will have the instruction you want and teach me how to do it right! |
And what gesso said is right. I cannot see the grooves on my phone but yeah. Make them in line with the electrodes length. I also taper mine a little more than you on a shallower angle.
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Originally Posted by gesso
(Post 951674)
They look sharp enough (I assume you're welding steel of some kind), but they also look like you held the tungsten almost parallel to the rotation of the grinder when you sharpened them.
I've was taught to hold the tungsten perpendicular to the rotation and spin the tungsten in your fingers as you grind it. This makes it so the tiny grooves left by he grinder on the sharpened part will all converge at the point rather than be concentric rings around the cone. This should give you a better arc pattern. https://www.miataturbo.net/attachmen...ine=1353467283 You are saying I should grind them this way correct? I will regrind them then tomorrow before I start on my first welds. https://www.miataturbo.net/attachmen...ine=1353467283
Originally Posted by TurboTim
(Post 951732)
Nice job on the garage! Invest in a larger vice though like this one.
You want the head to rotate. When I have to weld at my dads shop with his fixed vice like yours, it is a royal pain in the ass. https://www.miataturbo.net/attachmen...ine=1353463282 Those electrodes look fat. I use .062, those look to be fatter. I do not have good luck with fat electrodes on anything that is the thickness of what you will be welding. On the max current my tig puts out .062 is fine. Fatter makes the arc harder to handle for me but I have never taken a class. Just my 2 cents. And the red electrodes are nnnnice but radioactive slightly. I now use gold/lanthanted on steels with a needle tip and reds on alum with a rounded nose. I never had any luck with greens on aluminum. But on a month you will have the instruction you want and teach me how to do it right! Those are the electrodes that I have and planned on using for steal. I will start looking online for some gold ones in .062. Are the correct ones? I am sad that they are not prime items. Also if I switch to 1/16 electrodes do I need 1/16 collet and collet body? http://boostedmiata.com/gallery2/d/1...120_214606.jpg |
Originally Posted by shuiend
(Post 951752)
This was how I ground the tips. It was the first time I have ever done it so I just went with what seemed easiest.
[IMG]parallel picture/IMG] You are saying I should grind them this way correct? I will regrind them then tomorrow before I start on my first welds. [IMG] perpendicular picture[/IMG]
Originally Posted by shuiend
(Post 951752)
Also if I switch to 1/16 electrodes do I need 1/16 collet and collet body?
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Originally Posted by gesso
(Post 951764)
Yep, just like in the second picture. Make sure you move the electrode back and forth across the face of the grinding wheel as it is very easy to make a groove in the wheel. Also, I generally sharpen the non-colored end, so as to make it easier to identify whats what later.
Yes. |
Originally Posted by shuiend
(Post 951773)
Do I need any other parts of the tig torch besides the proper collets?
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180 deg from the second pic. Otherwise your electrode will end up inside your arm.
Gas lens collets/ kits work better. Or just start with what you already have. 10 electrodes should last you a while. |
Originally Posted by TurboTim
(Post 951811)
180 deg from the second pic. Otherwise your electrode will end up inside your arm.
Originally Posted by TurboTim
(Post 951811)
Gas lens collets/ kits work better.
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I've always ground my tungsten like the pic. I also like a little thorium dust in my eyes once in a while, so my opinion is of limited value here.
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