We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember jan olieslagers
saying something like:

If you are really curious about diesels in airships, consult
www.dair.co.uk - that engine scales down the idea behind the JuMo diesels.

I recall a Rolls-Royce WW2 service manager told me he was utterly
gobsmacked when he saw the Krauts were using diesels in some of their
bombers. At the same time, he was quite impressed, although the diesel
story was spread around as some sort of negative propaganda - weight,
lack of power, etc.