According to aviation author Kev Delve , development of the Lincoln had proceeded relatively smoothly .
The prototype Lancaster IV , later renamed as the Lincoln I was assembled by Avro 's experimental flight department at Manchester 's Ringway Airport .
According to aviation author Kev Delve , development of the Avro had proceeded relatively smoothly .
The prototype Lancaster IV , later renamed as the Lincoln I was assembled by Avro 's experimental flight department at Manchester 's Ringway Airport .