There is a diesel boxer for sale as a replacement engine in aircraft.
Available certified on the Cessna 182, Mahle, and a couple of other so far.
Runs on diesel or Jet A.

Mike

On 11/30/02 12:53 PM, "David Brodbeck" <gull@CYBERSPACE.ORG> wrote:

> I saw pictures of a prototypical diesel aircraft engine a few years ago
> that was a 4-cylinder water-cooled boxer engine.  It was intended for the
> European market, where avgas is hideously expensive.  It would run on jet
> fuel.
>
> The cylinders and heads were machined as one solid piece -- no chance of
> head gasket leaks, but for overhauls each head and cylinder bank would
> have to be replaced as a unit.
>
>            _ _
> __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
> / _` | | | | | |  +-----------------------------------------------------
> | (_| | |_| | | | @ cyberspace.org
> \__, |\__,_|_|_| "BSD is for people who like UNIX.  Linux is for people
> |___/             who hate Microsoft." -- Brendan Howes
>