all my 4 units run very well.....30 min on each....i will run each one today...just to add runtime....its seem that more a mmm have a runtime more its seem to be reliable
but i hope that im not gona use a mmmv3 for open a beer bottle....loll
Ryu James' problem wasn't a short on the heatsink. It was excess resistance in his bullet, from the looks of the burns probably because it came halfway unplugged.