The Talky GPS tracker was tested for the first time in the Intimidator 5 rocket that flew to 2200m.

https://youtu.be/-okTvmzEXAA

A first test of the AN-AP dual oxidator propellant test in a 4 grain 90mm motor.

https://youtu.be/qT845LK23N8

Removing the top compression disc can be a problem. A small screw hole was tapped into the disc. After removal of the screw, the disc is easily removed by injecting compressed air into the screw hole.

https://www.youtube.com/watch?v=ci6y1iiOP_w

https://youtu.be/HOxXuyXIHAg

Succesful test, however plateaus less well defined.