Reply With QuoteThat should just about hold
Have you a welding procedure for the chromoly to steel junction?
All coming along nicely though!
S
Master
Well i got my cut down axle hubs back from the engineer shop, very happy with their work. These are the bits that will hang off the chromo pipe.
The original axle tube was cut down leaving 20mm were the cast flange tapers in. An over size pipe was then machine to fit inside the axle tube, the inside of the pipe was then machined down to take the 2" chromo pipe.
Hope this is easy to understand.
YarnMaster
SupporterThat should just about hold
Have you a welding procedure for the chromoly to steel junction?
All coming along nicely though!
S
'95 130 dual cab fender (gone to a better universe)
'10 130 dual cab fender (getting to know it's neurons)
Master
The chromo gets pushed though to the very inside of the new steel pipe then welded to that section of steel only. There will be no welding of the chromo to steel on the outside.
Hope this image helps.
Cheers
David
YarnMaster
SupporterI acknowledge that you are using an alloy with known properties of tensile strength
But that 2" pipe seems mighty thin walled for your axle/swing arms?
Obviously it will pass a multitude of engineering calculations when new but surely after 5 years of use when corrosion starts to work at the HAZ you might wish for a little more structure?
Have you gone the route of chromoly in order to save unsprung weight?
S
'95 130 dual cab fender (gone to a better universe)
'10 130 dual cab fender (getting to know it's neurons)
Master
Here is an update on the days progress. We did not make as much progress as last Saturday but we spent a load of time nutting out problems with will help us with progress tomorrow.
Cheers
David
Master
Todays update, all the chromo arms are tact in place. Very impressed with the weight so far well within the design ideals. Im now having trouble finding Defender alloy wheels at a reasonable price for this build.
Cheers
David
TopicToaster
Looking good.
We all like a build with progress pictures
Master
Todays update,
We got all the things I had hoped to get done, we got all the chromo axles fully welded, the air spring mounting ring ground into shape & welded onto the axle.
The suspension rib was half fabricated ready for load testing in the morning, every thing is working as I had designed. Next two days will be fiddle bits like hitch & wiring.
Cheers
David
ForumSage
How much bending load can those arms take?
Master
One can buy product and be happy & others build things and be rewarded.
How much load will the arms take? Thats what RnD is all about. I am building a prototype, i have done computer load tests i have had an engineer look over the design. so now i build it, do some static testing if that passes we take it into the field for controlled testing.
We had a smell fail to day, the rib that hold the air bag was not braced enough and failed, that took five hours to rectify. The chassis now has its 700Kg static load in place at ride hight with no problems.
To days update.
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