BruceTS said:http://aerialmob.com/store/index.php?main_page=product_info&cPath=2&products_id=7
You might want to consider this arm kit, so many more possibilities. I have one set on my TBS Discovery and will be ordering another in a few weeks for my endurance build, expect to get almost an hour of flight time.
What kind of setup are you using for your endurance build?