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...The plane flew with that amount of ice on the leading edge just fine....
Hi Group:
I'm sure many of us have heard of the alleged benefits of rounding the
leading edges of the elevator and rudder control surfaces. The thinking is
that the exposed frontal area will be reduced therefore reducing that ice
collecting area. I was told (recommended) to round these areas about 3/8"
radius. I chose to increase the radius to half the thickness of the control
surface (see attached picture). I have no first hand experience that has
any benefit. Continuing with this logic, there was a beautiful, award
winning, IVP turbine at Oshkosh last year that may have an added safety
feature. The builder redesigned the rudder and eliminated the vertical
portion of the rudder / vertical stabilizer gap altogether (see attached
picture). I spoke extensively with the owner on this subject and I believe
his motivation was to increase the lever arm of counter weight and therefore
reduce the required ballast.
Any thoughts?
Joe Trepicone IVPT
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