Airtank airguns

channel face off
https://www.youtube.com/channel/UC5dtfLzXsU94fgBb-Xnm9Qg

https://www.youtube.com/watch?v=9m-F7s0UtOM How to make a 3500psi PCP Air tank

https://www.youtube.com/watch?v=Wng45f33Ksw This is the homemade valve for airguns.

http://www.nippybox.com/v/b31329 http://www.thelabsa.com pdf on gyro imu in shoe detecting a person falling to the ground for automated alert.

links
Guns