http://finance.aopa.org/sitecore/content/AOPA/Home/News-and-Video/Aircraft-Design/Supplemental-Type-Certificate.aspx

 Paul, Didnt read but article with heading about Beringer making
ground loop proof tail wheel that works with rudders.  I doubt it:-)
Van


Saying and doing are two different things.  The physics works against
him.  Tail wheel airplanes will always want to ground loop because the
fixed point of contact with the ground, the main gear, is forward of the
center of gravity of the airplane.  It must be thus so that the airplane
will not end up sitting on it's nose with a twisted up propeller.  I
suppose you could move the CG ahead of the main gear if you had a pusher
configuration, but then getting it to rotate and lift off would not be
easily accomplished.


-  Mark LaPierre

I plan on obtaining or building a cockpit lock and unlock tail
wheel for the RV4. If you nail the tail in no cross wind the feathers are behind
the arrow head :)

Paul Lamar

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