rotor disk disposed on a rotor shaft the rotor 20 and the tub section 18 are configured and disposed to define an annulus 22 between the rotor 20 and the tub section 18 steam enters the steam turbine 10 at an inlet 24 which is disposed radially outboard of the rotor 20 and the tub section 18 steam entering the steam turbine 10 at the inlet 24 flows toward the tub section 18 divides and then enters either of the generator end 12 or the turbine end 14 referring now to fig2 the generator end 12 includes a generator end first stage 26 which comprises a plurality of generator end nozzles 28 which in some embodiments are disposed in the tub section 16 and a plurality of generator end buckets 30 the generator end buckets 30 are mounted on the rotor 20 in some embodiments the rotor 20 may include a plurality of generator end balance holes 32 which may include wheel holes and or dovetail holes located radially inboard from the generator end buckets 30 or alternatively in the generator end buckets 30 similarly the turbine end 14 includes a turbine end first stage 34 which comprises of a plurality of turbine end nozzles 36 and a plurality of turbine end buckets 38 the turbine end buckets 38 are on the rotor 20 in some embodiments a plurality of turbine end balance holes 40 may be located radially inboard from the turbine end buckets 38 or alternatively in the turbine end buckets 38 the generator end 12 and turbine end.