> >Yep. As built, mine pitched down rather >badly. I had wedges bonded to the bottom of the >elevator to fix the trim for several years until >I finally cut the horizontal stab and elevator >off to build a much larger tail to address the >pitch instability that was also designed into >the plane. I adjusted the incidence by 1?? when >I built the new tail. The trim is now flush >with the elevator at normal cruise speeds. >My wing is also set up with 3 1/2?? incidence >and 3?? washout, although with a bit longer wing than Larry's. >-Jeff Scott +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Jeff and I both have the RAF48 airfoil on a longer than plans fuselage. I'm assuming Jeff set his HS lead edge to one degree negative when he enlarged his tail assembly. Larry Flesner