its great you are so interested in first and i would love to help but alot of your questions are answered in the manual. check the first manual for stuff they just updated some schematics for the field. once again thank you for your interest in first. me and everyone else on Team 1073 FORCE would like to give you are warm welcome. please contact me with any other questions and i will be more than happy to help.
i do know that you cannot use co2 gas for propulsion
i hope this helps
im me at rikkufan123 or email me at
rikkufan123@aim.com if need be