Not tried one of these before... Here goes!

The rex500 is all back together with it's new, slop free swash. I have balanced the heli this evening with some lead on the front of the bottom plate. I added 9 bits of (I think) 7grm lead making a total of 63 grams. That seemed quite a lot to me but it balanced nicely with 2 qty 2100 revo packs.
I'm a little bit miffed that the 2100s I bought have turned out to be not completely suited to the 500 (as they are only 18c) but they'll...