Jig up and glue second rib Cut out and glue gussets onto rib 23 Fit cowl to support - trim to suit and drill mounting holes - trim ribs and add gussets to second 23 rib Cowl, add engine and check fit make and glue internal blocks in position for elevator check canopy requirements Cowl - fill and fit front dowels - fill and sand cowl- work out wiring requirements