rear wheel carrier

You are quite right about the wheel weight & the forces involved but adding more kgs than needed to support the wheel would more than likely damage the area needed to support the carrier.Hairy is on the right track with his sizes, probaly 40x40x3 RHS would suffice.
As I said its the mounting that matters, whatever you mount the lot too has to take all the stress especially as you look like hitting washouts at 100k's.
Bob

Yes you're right, you could tow a trailer with that; even half that. I was thinking, say a spare wheel ( not a namby pamby one) weighs 40 kg. When you hit that washaway rut at 100 kph would that weight on the carrier now be double, even 100 kg of force. If all the driving you do is around the city then you don't need an extra spare, but corrugations, potholes etc will play merry hell with flimsy lightweight brackets. Rus.

You've got a point there Rus... Some time ago I came across a site with some basic engineering calculations for many things 4WD... I should have it somewhere, will look it up tonight when I get home. As for the rear wheel carrier, I think it was an ARB model they tested and I think the wheel complete with tyre was around 35-40kg. With their formulae they estimated the shock loading on the carrier would be up to 6 times the weight of the wheel depending on the speed of the vehicle and the prevailing road conditions... That's potentially 240 odd kg banging around on the back...

hairy thanks for the replie i would for some photos as i have a rodeo and dont want to put a rear bar on there so that sounds ideal for what i want

Regards CHEF

Hey Hairy,

I would love to see your pics as I have been thinking about making one for my 100 series for years and like the idea of attaching to the towbar.

Regards,

Stuart

PS Please send to

at4wd 'at' ozemail 'dot' com 'dot' au

hairy my email address is lilyeve@iprimus.com.au

hi ray thanks for the reply if you have some photos i would like to see them

Regards CHEF

Sorry Chef but i do not have any photos bur perhaps I can explian. Icut a piece of DMF to the size of the floor. In my vehicle I have some anchor points in the floor. The DMF base is bolted to this. The base is profiled to go around the wheel arches. I have you some light aluminium angle that support two DMF uprights. These uprights are just high enough to allow the spare wheel to fit. Another piece of DMF makes up the top and there is a section at the back (front of vehicle) to give rigitity to the "box" I also have a cargo barrier and the whole thing is fixed to this also but you do not have to use DMF any material will do.
I find that this system works very well as I am 68yrs old and find that I can get the spare in an out with ease by breaking it over the tail gate and pushing it under the false floor. I also keep other things in there like tool box, jack anvarious other thing that I do not want exposed. When the tailgate is closed you cannot see what is underneith.
I hope that this is of some use to you

thanks ray

Regards CHEF

hi drew i would love some photos

Regards CHEF

Hey Drew,

I would love to see your pics as well as I have been thinking about making one for my 100 series for years and would like to get some info on your ideas.

Regards,

Stuart

PS Please send to

at4wd 'at' ozemail 'dot' com 'dot' au

G'day Chef
Could you forward your address to me and I will send some photos. I dont know how to do it on here - unless someone could tell me how to??
My Email is
Drew.Grant@det.wa.edu.au

Drew,

Thanks for photos....nice job on the build....it has given me some ideas. Now if only Hairy could send me some.

Regards,

Stuart.

Hi Brian,
As above could you please send me an Email address that I could send the photos to. I replaced the whole bumber section for mine, but it might give you a few ideas for the pivot.
Drew

I actually replaced the whole bumper - not bumber....