Just received these from shawn and man the glass work is amazing. I have a pair of the mec xs 200 OS outboard cowlings to go with em. If anyone has any setup suggestions I'm all ears.
I would think the most you can use for 1200kv would be 8s. 10s maybe if you prop down but that'd be pushing it. Get an esc with data logging or buy an eagle tree data logger. Then you know your setups actual current draw and can fine tune your equipment
Use a table top belt sander. I got mine from harbor freight for about 30+/- with an online coupon. Sand each blade with a similar pattern. Then sandpaper 120 to 400 progressively and finish with scotchbrite dremel. Polish the face with any metal polish. Leave the back side scotchbrite finish.