This video shows a cannon built in the nether that can shoot a full 360 degrees around itself. This design is based off of my original 360 cannon, but with a few minor modifications.
Original 360 Cannon: http://www.youtube.com/watch?v=-S3QH6hRRgg
World Download: http://www.mediafire.com/?yqdymamwdzycyv9
The cannon features AEtherImp's variable timer system with my binary method to accurately control the delay between the boosters igniting and the missiles igniting.
AEtherImp's Timer: http://www.youtube.com/watch?v=t_kAE63hoSk
Normally I place the timer unit on the side of the cannon. I decided to place it in the nether's ceiling for this particular cannon so that it wouldn't be in the way blocking the view.
I'm going to give a shoutout to nanometer789 (99seconds) for being one of the main pioneers and advocates for building functioning cannons in the nether that work more than once.
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