21-08-2019, 05:28 PM
Hi Spannerman
I had the same problem with my special chassis (although this was a short wheelbase). I seem to remember being advised to cold bend the chassis rails as heating them up could alter the metal properties. (Do a search for the forum thread).
I achieved this using a length of 40mm square box section bolted each end to the rail with threaded rod, and then mounting a a small jack between the two. In my case the bend was localised so the point load of a single jack was effective in bending the rail straight. I also had the luxury that the chassis was in pieces so each rail could be attacked individually.
In you case you may need to use two jacks to provide a more distributed load along the rail?
Cheers
Howard
I had the same problem with my special chassis (although this was a short wheelbase). I seem to remember being advised to cold bend the chassis rails as heating them up could alter the metal properties. (Do a search for the forum thread).
I achieved this using a length of 40mm square box section bolted each end to the rail with threaded rod, and then mounting a a small jack between the two. In my case the bend was localised so the point load of a single jack was effective in bending the rail straight. I also had the luxury that the chassis was in pieces so each rail could be attacked individually.
In you case you may need to use two jacks to provide a more distributed load along the rail?
Cheers
Howard