Peter Stickney wrote:
I don't recall any seaborne use of radials, other than carrier
aircraft. Air-cooled marine engines don't make a whole lot of sense,
really.

I'm having an early senior moment here. Was the GM "pancake" diesel a
radial? I've spent the past fifteen minutes googling but cannot find any
sort of actual description of this engine, other than its use in sub chasers
and (I believe) some submarines as well.

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