Here is the standard BlueSkyRC Tricopter. The arms were made at 20cm (8 inches). Flying MultiWii 1.9 default PID values with RCRate at 1.2 and Yaw Rate at 0.35.

BlueSkyRC Tricopter Kit
blueskyrc.com/index.php?main_page=product_info&cPath=5&products_id=16

Suppo 2212-11 - 1200kv Outrunner Motor
blueskyrc.com/index.php?main_page=product_info&cPath=9&products_id=38

HW 25A ESC
blueskyrc.com/index.php?main_page=product_info&cPath=10&products_id=39

Bob's Super Simple Shield MultiWii Board MWC
blueskyrc.com/index.php?main_page=product_info&cPath=11&products_id=34

Gemfan 8045 Green and Orange Props
blueskyrc.com/index.php?main_page=index&cPath=6

HK 922 Metal Gear Digital

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…