World Models 1/3 scale Cub, ZDZ80B2 engine, Robart main gear, BTE tailwheel, Smartfly power distribution, regulators and battery share, Skywriter smoke. Link to the construction photos, (Plane named in honor of "Crashburn T. Throttlebottom"). So far 32 flights.
http://www.flyaways.org/photos/2007/planes/wm13cub