| 31. | In the 1950s, nuclear power partially replaced diesel-electric propulsion.
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| 32. | However, Hall thrusters operate at the high specific impulses that is typical for electric propulsion.
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| 33. | The main innovations were triple turrets and turbo-electric propulsion.
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| 34. | She had turbo-electric transmission, with turbo-generators and electric propulsion motors built by Alsthom of Belfort.
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| 35. | The L-2350 uses a diesel electric propulsion system similar to that used in a locomotive.
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| 36. | The first designed and tested electric propulsion in the world was in 1929-1931 in Leningrad.
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| 37. | Newer versions feature electric propulsion, using lithium polymer batteries.
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| 38. | Where electric transmissions are used, this is referred to as integrated electric propulsion or IEP.
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| 39. | However, the " Fliegender Hamburger " had diesel-electric propulsion.
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| 40. | This produced current for an AEG electric propulsion motor that drove a single propeller shaft.
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