Test 9

Identical to Test 6, using the formula from Test 5.

These grains were cast on 29 August 2015.

Results

• Grain 1, 57.04g gross, ?g net
• Grain 2, 52.88g gross, ?g net
• Grain 3, 54.14g gross, ?g net
• Grain 4, 53.97g gross, ?g net

Observations

Motor 434g pre-flight, 220g post-flight.

Fat-Boy igniter.

Rocket post-flight mass was 984g. Nozzle throat was 0.334 post-flight.