On Sun, 23 Jan 2005 09:28:17 GMT, "Hilton"
wrote in . net::

Rob Montgomery wrote:
Not to pick nits... but... doesn't an idle engine put out some thrust?

On the ground while taxiing, sure it does, just take your feet off the
brakes and away you go. At flying speed however, it (perhaps surprisingly)
causes drag.

Do you think that drag caused by an idling engine (and propeller) is
increased or decreased when it is producing zero power instead of idle
power?