On Mar 6, 2:44 pm, "Morgans" wrote:

If so, when is the last time you saw a direct drive 2 stroke aircraft
engine? Not me.

McCullough made two-stroke opposed four-bangers for miltary target
drones in several different sizes. Many of those were sold surplus and
found their way into several homebuilts and a lot of Bensen
Gyrocopters. I once owned one; the vibration was awesome, as was the
fuel consumption.

http://www.combatairmuseum.org/engin...ch0-100-1.html
http://media.photobucket.com/image/M...ctoshow026.jpg

And here's a video of one powering a Hummel Bird:

http://www.youtube.com/watch?v=ITB_dxbCTUk

Dan