Paul
  Did Mazda ever put a dry sump system on any production models?

Mike C

I don't think so. BTW if I were designing one I would plumb the stock
oil pump to the external reservoir and just use two scavenge pumps. One on
the top of the engine and one on the bottom at the rear.

You never spend much time in a full power vertical dive anyway :)

Most of the time aerobatics are done in positive G conditions
except of course for sustained inverted flight.

Here are some ideas.

Paul Lamar ...No rotor no motor.

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