UQ Racing’s 2017 chassis is the culmination of 3 years of experience constructing a folded monocoque.
As we have done in 2015 and 2016, we are again using Ayres’ aluminium sandwich panels. The goal with this year’s chassis was to improve accuracy and ease of construction. To achieve this, we CNC routed the chassis panels for the first time with the help of the EAIT Faculty Workshop Group. This meant our folds and drill points for mounting suspension arms had the precision to fractions of a millimetre.
The next most important part of the process was, of course, joining all the pieces together. A notable feature of UQ Racing’s aluminium monocoque is that we don’t use any rivets or other fasteners for the joins on the chassis saving us the time of having to drill hundreds of holes. Instead, we rely on a methyl methacrylate adhesive generously supplied by 3M.
One of the big advantages of this adhesive is how quickly it reaches working strength. Within an hour, we’re able to remove clamps and move on to the next joint with no post curing required.