Avro 533 Manchester
... that due to disappointing previous tests, the third prototype of Avro 533 Manchester plane was never fitted with engines?
... that due to disappointing previous tests, the third prototype of <b id="mwC2k"><a href="./Avro_533_Manchester" id="mwC2o" rel="mw:WikiLink" title="Avro 533 Manchester">Avro 533 Manchester</a></b> plane <i id="mwC2s">(example pictured)</i> was never fitted with engines?