I have a DJI F450 that I want to upgrade, I have seen someone with similar motor/prop set-up and runs amazing.
Basically 4 new motors (ARK RC - Not Found
http://arkrc.com.au/products/SCII2215%252d1810kv-Scorpion-SII%252d2215%252d1810KV-%28V2%29.html"]link here[/URL]) each has a Max Continuous...