Mark Levin wrote:

On 30-Nov-2006, RomeoMike wrote:

One twin that I have experience with, the Seminole, does have counter
rotating props.

Out of curiosity does this have a marked effect on it's operation compared
with the other twins you've flown?
Any procedures different because of it?

the Duchess also have counter rotating props. The difference is that
it doesn't have 'critical engine' and should behave similarly whether
you loose the left or right engine.

--Sylvain