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RR Marine Spey turbine engine test run

First test run of a Rolls Royce Marine Spey gas turbine engine. The oil consumption and vibration levels were both under the required parameters, and after some adjustments, this engine met the specified power output for its application, which is powering a medium sized ship to healthy speeds. The smoke seen at high power running is coming from an air-oil separator tank situated on the floor to the right rear of the engine. All normal, everything went well. Please read this important explanation: The people at our test cell do not need to be protected from jumping into an engine intake. The mesh guard we used to use created a significant power loss. Such guards are not used in industrial applications. Customers pay a great deal of money for an engine overhaul and test. They don't like it when you tell them the engine did not make it's required power level, but you're sure it will with the screen off. The usual reply is "then test it with the screen off".