Originally Posted by bingsbaits Bought the tubes from Pyroboom. I have had no problems with canister shells. All tubes were fully inspected for proper loading. I know this shell was not in upside down. It acted like the lift charge was not even there. I had an issue like this a few years back with a 200 gram cake. The cake was glued correctly in place on a board. When I discharged this particular cake it basically blew at ground level. I did not hear any lift . That was the only repeater that I ever had ...