Hello! This is an example of a player launcher that I made. It is the smallest I've seen, and can launch you to infinite heights (if your computer can handle it)! The best part, NO REDSTONE! It can also dub as a TNT launcher! No water needed!
Here's a video showing you what other things you can do with minecarts:
www.youtube.com/watch?v=bb3XG4iLZgI
Please give me any suggestions for other tutorials; I will gladly make them o :)
P.S. Sorry about the bad quality; I was testing a program.