H-P engines

As I noted in my January 2016 Editorial, I plan to publish a history of the British-made H-P engines from the late 1940’s (not the far later Austrian HP units!) in my February issue. I think I have the main facts pretty well sorted out, but could really use some more serial numbers to help with estimates of production figures. In addition, some bore and stroke measurements would really help to resolve some remaining ambiguities regarding displacements. If you have any such information, please write a comment in response to this posting! All input will be appropriately credited in the final article.

H-P Mk. III diesel no. D-654 - left side view

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