Originally Posted by tclaridge
I think doing the warbirds with a brushed motor and 1S lipo setup is the right comprimise to keep the size in ultra micro. Otherwise, you are looking at a "mini" plane like the new Carbon Cub which is going to be awesome, just not "ultra micro!"
The Beast 3D & Sbach are most definitely in the UM class, so Horizon could easily do a 2s brushless ultra-micro warbird if they wanted to. I don't particularly like using 150-year-old technology in my planes when there is a far more efficient & far longer-lasting option available.