The Ultimate Nerf Vulcan Mod : 8 Steps - Instructables
Modified flywheel Vulcan. Custom mod and integrated with firefly stock. OFP cage and Valkyrie motors, setup to run on 3s Lipo. Custom LEDs run off separate 9v battery. Haven't come up with
RE ARMORY - My first flywheel powered Nerf Havok/Vulcan... | Facebook
THE BEST VULCAN MOD EVER?! DEPLORABLE OVERVIEW AND LOADOUT | Nick's Nerfing Bench - YouTube