Don't know if you guys have seen one of these in action ?
I had the chance and was totally impressed by how fast and accurately it centered.
The Magnetic Induction Encoder locates center so fast it's crazy !
They are made by
www.ltair.com
I'm installing them in my 36% Sbach and will post the results after some flights...
http://www.hobbyking.com/hobbyking/s..._0_16_67g.html