"IBM" wrote in message
...
Paul Hirose wrote in
:

[snip]

I think the P-38 was not the only airplane with the backside of its
turbocharger turbine "naked".

B17 is like that IIRC.
Mind you its been a few years since I was under one.

Some big WWII type certainly. I've seen more than a few turbos
exposed on the bottom of the wing at air shows as well.