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Posted by z on June 13, 2007, 11:47 am
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> > I've just repaired a 2 ton engine crane that I got from a chap who had
> > managed to bend the fold down legs that stick under the car. These are
> > each 53" of 70mm square 3mm thick box section that pivots and is
> > retained on pins with 'R clips'. Sensibly the design had tubes welded
> > across the square section where the pins go as re-inforcement, and I
> > thought it worth spending a bit of time recovering the tubes to re-use
> > them in the new legs I was making. To my horror a single tap with a
> > hammer knocked the tubes right out. Zero penetration on the welds !!
> > Needless to say I've been over the rest of it checking where I can <G>
>
> > AWEM<
>
> Not welding but I repaired a chinese made peice of electronics recently
> where instead of solder a hot melt glue had been used to make an
> electrical joint.
I rode a French-made bike in the 70s for a while (St. Etienne,
actually) and when I finally got into an accident, the top tube and
down tube popped right out of the lugs on the head tube; no brazing at
all, just friction and rust holding it together all those years.
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> managed to bend the fold down legs that stick under the car. These are
> each 53" of 70mm square 3mm thick box section that pivots and is
> retained on pins with 'R clips'. Sensibly the design had tubes welded
> across the square section where the pins go as re-inforcement, and I
> thought it worth spending a bit of time recovering the tubes to re-use
> them in the new legs I was making. To my horror a single tap with a
> hammer knocked the tubes right out. Zero penetration on the welds !!
> Needless to say I've been over the rest of it checking where I can <G>
>
> AWEM<