What to do when spring weather appears....
fire a rocket motor of course!
This is just a repeat of the static test of the flight configuration motor.
A few tweaks were made to the ignition process, but they were minor.
The aluminum foil on the nylon fill line was replaced with a fireproof sleeve from McMaster. (part #8819K44) Second, the nylon loops on the outter injector ring were shortened from a 2ft 'U' to 2in plugged stubs.
Love that alternate camera view!!
I believe the dual plateau thrust curve is due to burning white PVC during the first half and the burn, and gray PVC in the second half. I think I prefer the higher regression rates so I may try to find a supply for gray 2" pipe.