Urgent help for rev up launcher!!!

Hey if anyone had a broken or used rev up launcher I was hoping I could see the mechanism to understand how it revs up. I really want to make one so I can have a burst rev up launcher but I just don’t get how it works. Plz help

Try searching before creating a new thread next time. If you have any more questions about modding, use our Beyblade Mods thread in the Your Creations forum instead.