02-24-2018, 11:30 PM | #57 |
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I have finished welding the top of the roll cage now. I was having some difficulty getting flashed with bright light when doing the final welds.
Turns out that because I was looking through gaps trying to get the last few welds that sometimes I was blocking the sensor on my auto-darkening helmet. Another rookie mistake I guess. After I had finished I quickly ran over all the welds with a wire brush so they would be super clean for painting. I also wiped the whole thing down with some wax & grease remover. Finally I gave the whole top part of the roll cage a coat of weld through primer so I don't have to worry about it rusting any more. I ran out of argon today so I will have to go pick up a new bottle when the shops are open. Then I can get the cage back up into position and push on. |
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02-26-2018, 02:09 PM | #59 |
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Love the updates. Keep on sharing!
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02-26-2018, 03:58 PM | #60 |
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Thanks guys, I appreciate your support.
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02-26-2018, 05:56 PM | #61 |
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this is super cool! What do you do for a living that enables you to be so adept at fabrication?
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02-26-2018, 07:37 PM | #62 | |
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I then went back to school at a technical college as a mature age student, following that I did a chemistry degree and now have a masters in scientific research. I work in a material science and engineering research position now and specialize in the use of electron microscopes and focused ion beam. |
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02-26-2018, 07:44 PM | #63 |
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very handy! i really look forward to seeing you run this car when complete.
it is a great chassis and works well with a lot of power. |
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03-07-2018, 02:52 AM | #64 |
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I got a bit done on Sunday and again today. The roll cage is now permanently attached to the chassis, all the tubes are completely welded and I have primed everything to prevent surface rust.
I will leave the door bars and main hoop diagonal off for now for easy access whilst I am building the rear suspension cradle. |
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03-07-2018, 01:57 PM | #65 | |
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03-07-2018, 04:17 PM | #66 |
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The roll cage now gives me a solid foundation for attaching the tubular rear suspension cradle I designed and did FEA on last year. So I will remove the welding jig and start building the main trapezium shaped part which all the control arms bolt to on the bench inside the jig. Once that is done I will bolt it back in the rear frame rails and start attaching tubes from it up to the main hoop of the roll cage. Once those tubes are in place I can remove the jig.
The photo below is my mock up of the rear end which will give you some idea of what it will look like. I plan on having 2 - 3 bolt hole options for the control arms to attach so I can adjust the ride height without affecting the suspension geometry. I need to do a bit more thinking about the lowest position before I start fabrication. |
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03-07-2018, 04:54 PM | #67 |
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Loving the progress - been watching for a while. Did you take any pictures before you took the body panels off the shell? The origin of the car fascinates me.
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03-07-2018, 06:07 PM | #68 | |
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It came with doors, fenders, boot and bonnet only. I have since bought a front and rear bumper. |
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03-07-2018, 07:14 PM | #69 |
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Cool stuff that's great! Did the subframes come with it too or did you pick up the rear one used for mockup seperately?
It's great that a chassis never destined for use will see the track! Edit! Nevermind I see you mentioned early on you needed to source the subframes. Keep the updates coming! Last edited by mhiscott; 03-07-2018 at 07:31 PM. |
03-07-2018, 07:36 PM | #70 | |
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