fuso 4x4 rebuild

Ruderacing

New member
Thats a mean looking turbo there Alan, what is it? The engine doesnt look like a std 4d34 from that picture. Nice stainless piping btw! Shouldnt get any restriction with that lol. :roost:
 

alan

Explorer
What were you reasons for choosing aluminum for the camper?

I had a hard time deciding between aluminum and steel.

Sure steel is heavier, but you end up using 2x thicker aluminum to give the same strength plus aluminum welds are 2x to 3x weaker than the base metal.

For a four season camper, using smaller steel cross section members means I can have more foam insulation between the inside of the camper and the metal - better thermal isolation.

I do like the stigma of aluminum being so much better than steel for resale value though...
Weight was very important being derated to 4500kg, also no rust, i just need to get my welding skills up to scratch, from what i've read a spool gun is the way to go for aluminium.
 

alan

Explorer
Thats a mean looking turbo there Alan, what is it? The engine doesnt look like a std 4d34 from that picture. Nice stainless piping btw! Shouldnt get any restriction with that lol. :roost:
i can't remember the turbo brand and size, but i do remember it was the correct size for the job, the motor is std 4.2 at the moment but that will change:bike_rider:
 

SkiFreak

Crazy Person
i just need to get my welding skills up to scratch, from what i've read a spool gun is the way to go for aluminium.
That is true, but MIG welds on aluminium are potentially not as good/strong as TIG welds. TIG is definitely slower, but normally produces a better weld.
Have you considered riveting any of the aluminium? After all, that's how they do planes (so the wings don't fall off).
 

alan

Explorer
i can tig weld but it is so slow for this type of job, yes riveting could be an option like you say planes don't generally fall apart.
 

SkiFreak

Crazy Person
As I am sure you know, the biggest problem with welded aluminium is that it is very susceptible to fatigue cracking. If the aluminium exoskeleton is hidden after the camper is complete you have no idea if fractures are developing.
Chances are that the first sign of this would be after welds had failed completely, which definitely would not be good.
There are a few companies that build aluminium frames, BushTracker Caravans comes to mind, and I know that they use a combination of welding and riveting. Not sure if this resolves the problem completely, but it is definitely better than relying on welding alone.
 

blackduck

Explorer
alan
go to one of your local caravan buiders (there's heaps in melbourne) and look interested
have a look at the way they build ally frames
they are supple yet strong with just the right amount of flex
and for the most part they use studs and staples
sounds cheap and nasty but if you think of the roads my van travels on and its still together might say somthing for the concept

BTW your not going to paint the camper with the "B" paint are you :wings:
 

SkiFreak

Crazy Person
How good can your caravan be Stu.... you're going to sell it.
Maybe if it were repainted beige you might consider keeping it... ;)
 

SkiFreak

Crazy Person
You do mean "gift wrapped", don't you Alan??? ;)

I would not have thought that vinyl wrap would have held up all that well out in the bush, or have you sourced a wrap that is more durable?
 

blackduck

Explorer
DSC_0015.jpg

thanks boys :)
I just thought id post another pic of my rig out in the great australian bush
note the lack of wrapping
ski freak youll have to post some pics of yours in the drive in canberra
weve already seen pics of alans in the shed :victory:
 

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