The 2818 will work in a lot of different planes and on 3s or 4s. Teriffic little motor.
For the pattern style of plane, I fly the 2818 in all my 3DHS Vypers. You can sport and precision fly the plane, and if you want, even fly great 3D with it.
[link=http://docaustinsfreakshow.blogspot.com/2010/01/sport-flying-3d-hobby-shop-vyper.html]SPORT FLYING THE 3D HOBBY SHOP VYPER [/link]
Or, if you want more of a scale aerobatic look....
[link=http://docaustinsfreakshow.blogspot.com/2010_02_01_archive.html]
SPORT FLYING THE 3D HOBBY SHOP EXTRA 300 SHP [size=5][/link]