A simple KFm4 design made from depron with excellent performance. This flight with the COG at 22% and a 2208-21 cheapo motor
Ultra simple build..here.. http://www.rcgroups.com/forums /showthread.php?t=1077013

eNF8t9Sk2eY

Simple and quick to build with truly excellent performance from some bits of foam Ultra simple build here... http://www.rcgroups.com/forums /showthread.php?t=1077013

zl4UO_aRxwI

My 36" KFm4 nutball doing some easy flying.. Low and Slow is what I prefer..
The flight starts in calm conditions and then the wind gets up about halfway through, but the 30oz Nutball is ok in the wind

xE7DvPY9jcA

quite possibly the best radio controlled plane pilot on the face of the planet

esMU6IZ61IA