In this video I built the trigger for the sidelever chamber and connected the sidelever loading system to the hammer so that when you cock the sidelever the hammer also gets loaded.
part 1:
Part 2:
Spring for hammer:
Buy valve:
Buy Aluminium tank:
Trigger spring:
Grub screws:
Bolt:
Copper rod:
Aluminium rod:
5mm aluminium sheet:
10mm aluminium sheet:
Drillbit:
Thread tap:
Video of Tank & Valve: