'Course, the full-size RV-4 isn't all that big, so 1/4 scale will be much smaller than a 1/3rd Stearman. :-)
As long as the control surfaces have the authority to control the plane, then the Guardian will work just fine.
Originally Posted by nine o nine
Has anyone used the stabilizer in a giant scale plane? I'm considering it for a 1/3d Stearman.
Nine o nine