21. The stern tube contains the propeller shaft where it passes through the hull structure. 22. Its first application sheathed the propeller shaft of a Navy cruiser in the mid-1930s. 23. Diesel motors provided power to the two propeller shafts , with a top speed of. 24. These fed geared steam turbines and drove two propeller shafts . 25. This system would have provided to four propeller shafts for a top speed of. 26. "Arab " was triple expansion steam engines rated at which drove two propeller shafts . 27. Race conditions prohibit breaking the seal on a Whitbread sailboat's propeller shaft during competition. 28. This produced current for an AEG electric propulsion motor that drove a single propeller shaft . 29. If the hardness is not correct the dealer will then replace the rear propeller shaft . 30. Another problem was that the centre engine and its propeller shaft tended to overheat excessively.
