Here's one for you guys at the next level of modeling...

I have a quarter-scale Extra with a weak rudder (structurally-wise). One possible solution is to take a carbon fiber pushrod and slot it so it slips over the trailing edge of the rudder, thus stiffening the rudder to a degree.

The c/f rod I have is 3/16" in diameter, which means that a considerable amount (1/16" at least) of this rod's diameter will protrude past the trailing edge; into the slip stream.

Hers's my question: will this cause the rudder to act differently under flight loads? It seems to me it will have SOME effect; I just have no idea whether or not that effect will be detrimental or no.

Anyone have an idea? TIA...

Having the trailing edge wider than the surface isn't uncommon on rudders.
It improves the response.

Tape the tube on to try it.. then glue it if you like it.