Hi to all
I am a new member today (April Fools Day)! and I am looking for some help with technical info.
I am rebuilding the Arrow I bought and used as my only form of transport back in 1970. It has been in storage for the last 40 years following a sheared cylinder stud which I managed to prise out a few years ago with the help of a spark eroder. I have acquired 2 more arrows over the years, one of which appears to be a golden arrow so this one will be the first rebuild of a tri-cycle!
I have looked up torque settings for 5/16 UNF fixings but this application where the stud is screwed into aluminium and the 'nut' being much longer than a standard nut must require a different setting. The original workshop manual does not contain any torque settings, I wonder if the factory even used torque wrenches in the assembly processes? I know that when I progressed to an aluminium engined Sunbeam Stiletto car (sorry) a few years later and foolishly allowed Bristol Street Motors replace the head gasket on it, they cracked the head for me either by failing to use a torque wrench or, more likely, pulling down one bolt to full torque without any progressive sequence across the head.
Anyway, info on torque setting or thoughts on how risky it would be to use of some 12:1 compression ration heads I have from Carter Engineering (anyone remember them) would be gratefully received.
Thanks Leira