Minecraft BTA Full Auto Compact Limestone Farm

Completely lossless, fully automatic limestone generator for Minecraft Better Than Adventure. Uses only two pistons and one sticky piston, making it also cheap as hell to make. Enjoy the haphazard nature of this video.
Checklist of things you will need:
2 water buckets (plus however many you need for the canal, optional)
1 lava bucket
1 sticky piston
2 normal pistons
1 lever
1 redstone block
3 mesh blocks
8 repeaters
1 redstone torch
5 redstone dust
and a decent number of your choice of building block