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Easier in 1 inch x 3mm thick box and 1/4in plate. using the old one as a pattern. Anything man can build man can repair
Probably not a terrible idea to try that when mine needs to be replaced. Only difficult bit I can think of would be getting the bushing in the correct place to fit the car properly. Surprised no one sells them already because it could make someone a bit of money.
I wander if it's possible to build a new A frame from tubular steel and weld it up. Would be stronger and better then any used part.
Definitely possible but you would need all the necessary tools (which I don't), like a tube bender and a pillar drill, etc to get it all perfect.
There are various fixing points along the frame too as there is another frame that attaches to it vertically to support the diff. It would be quite tricky to fabricate those fixing points into steel tubes.
The bush locating is not a problem ...its called a plasma cutter ....and if you use square tube it saves all the bending of tube ..just cut and shut ...oh yes got ALL the tools
If you got a TIG welder then why not just repair it just as you would do with a sill.
The bush locating is not a problem ...its called a plasma cutter ....and if you use square tube it saves all the bending of tube ..just cut and shut ...oh yes got ALL the tools
If you got a TIG welder then why not just repair it just as you would do with a sill.
I have no welder. My biggest problem is my garage is not part of my house, it's not even in the same road as my house so i have no power. All my tools must be manual or battery. I get by for most tasks but with things like this I would need to get a generator, and most likely a compressor too which kind of outweighs the cost of just buying a slightly worn part and tidying it up.
I would love to be able to fabricate my own parts but i would require more space and incestmebt into many more tools. One day i will get there. next time i move house i will be prioritising the garage space.
Yes, of course it is possible to fabricate a box-section sub-frame but there are complex design considerations. The frame must support the static load of the Differential and Pendulum in the middle (This assembly is quite heavy - about 80kg). Then there are dynamic loads to consider such as Differential Yaw and Torque transfer.
The OEM design, whilst being biodegrade-able!, is actually really clever in the use of laminated pressings to mimic box section strength with fillets and webbing. The best idea is to copy the original design wherever possible. See image of top side..
09-25-2022 | 04:36 AM
