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In the 1960s, ROTAN was superseded by the [[Engine Analyzer System]]. | In the early 1960s, still under the ROTAN label, the [[183|183 Rotational Analyzer]] with its [[182|182 optoelectronic encoder]] allowed up to 20,000 rpm. | ||
In 1967, ROTAN was superseded by the [[Engine Analyzer System]]. | |||
==Links== | ==Links== |