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===1961-1967: 183/182=== | ===1961-1967: 183/182=== | ||
In the early 1960s, still under the ROTAN label, the [[183|183 Rotational Analyzer]] with its | 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. | ||
===1967-1975: 560-series Engine Analyzer package=== | ===1967-1975: 560-series Engine Analyzer package=== |