Well done Gordon, you've done it again!
I don't want to get any of you too excited but I think Matt Keenon managed a loop with one of his models using a KPOO and a home made gear box. Best thing was it wasn't intentional it just climbed so hard he had to pull back to miss the ceiling
Kokam have a web site and I guess it won't be long before others start stocking these rather cool cells. And never mind them being lighter than 3 cells there lighter than two.