wuzak
Captain
Further reading reveals that the X engine based on teh Liberty was in fact a design of the AAC, which Allison built. It was the X-4520.
Though the name plate says otherwise:
Pictures of the engine itself:
http://www.enginehistory.org/Allison/X-4520/Allison_45201.jpg
http://www.enginehistory.org/Allison/X-4520/Allison_45202.jpg
From Allison Serial Numbers, by Dan Whitney, AEHS.
Though the name plate says otherwise:
Pictures of the engine itself:
http://www.enginehistory.org/Allison/X-4520/Allison_45201.jpg
http://www.enginehistory.org/Allison/X-4520/Allison_45202.jpg
From Allison Serial Numbers, by Dan Whitney, AEHS.