landyfan

I have the chance of making a military style roll bar for a series 2 station wagon landy but do not know what specs are i have tryed google and this has been no help could anyone else help me please it is not going to be a bent one (mot all one piece) it shall be made by cutting the bent parts at angles and welding together to make an arch please help if you can im a student doing a welding course and the teacher is allowing me to do this as a show item thanks in advance a long life landy fan