Need more help on the pack i want to build

Ok first how would I get the bumper and cyclotron lights to pop out of the cyclotron after about a minute of non stop shooting and also when you stop shooting it starts to cool down, but slowly not an instant cool down, but a slow cool down :cool:. I have no idea on the mechanism or the materials to do the bumper and cyclotron lights to pop out so I could you some help thank you

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Try doing a search for “phoenix pack”. This is my first search result: http://www.gbfans.com/community/viewtopic.php?f=2&t=34782