Match drill rear bulkhead to spring mount on tail wheel. Match drill the bulkhead pices and debur the 811 and 812 matching pieces
It does take some time and precision to make sure that the tail wheel spring mount is vertically centered with the builkhead and correctly aligned in the area for the bolt attachment.
Countersink the two rivet keepers and dimple / Rivet the other 10 connection points on the two 811 bulkhead pieces
clamping the spring mount tailwheel assembly to rear bulkhead