Make and fit aft of engine box grating. Bore propshaft support strut and shaftlog for mounting bolts. Make bolts. Thread and tap into strut. Have strut machined and cutlass bearing pressed in.
Prepare, grout, and mount strut. Bore hull and shaftlog to accept proptube. Make composite proptube support/flange and bracket for front of shaftlog. Make additional engine beds
Reeve out old putty between inner layer of planking. Prepare and paint remaining section of hull inside: one coat of primer, two coats of undercoat, and two topcoats.