2 72.73 72.38 18 0.35 0.019 3 72.38 71.92 18 0.46 0.026 3 in. @ 24 seconds Test Mass Mass Mass Loss # Mass Before After Time Loss Rate 1 85.94 85.12 24 0.82 0.034 2 85.12 84.12 24 1 0.042 3 73.47 72.43 24 1.04 0.043 3 in. flame @ 30 seconds Test Mass Mass Mass Loss # Mass Before After Time Loss Rate 1 72.43 71.34 30 1.09 0.036 2 79.83 78.56 30 1.27 0.042 3 78.56 77.43 30 1.13 0.038 Table 11A - System 1 3 Inch Flame Height Data 4.5 Inch Flame Height For 12 seconds 33% of the cubes continued to burn. There were 6 cubes tested because one of the initial 3 tested at 12 seconds. 6 cubes were tested at 18 seconds and 67% continued to burn after the burner was removed. None of the cubes burned for the 24 and 30 second tests. 4.5 in. @ 12 seconds Test Mass Mass Mass Loss # Mass Before After Time Loss Rate 1 73.77 72.71 12 1.06 0.088 2 72.71 68.57 150 4.14 0.028 3 82.17 80.93 12 1.24 0.103 4 80.93 80.01 12 0.92 0.077 5 73.21 60.64 150 12.57 0.084 6 82.66 81.84 12 0.82 0.068
2 72.73 72.38 18 0.35 0.019 3 72.38 71.92 18 0.46 0.026 3 in. @ 24 seconds Test # Mass Before Mass After Time Mass Loss Mass Loss Rate 1 85.94 85.12 24 0.82 0.034 2 85.12 84.12 24 1 0.042 3 73.47 72.43 24 1.04 0.043 3 in. flame @ 30 seconds Test # Mass Before Mass After Time Mass Loss Mass Loss Rate 1 72.43 71.34 30 1.09 0.036 2 79.83 78.56 30 1.27 0.042 3 78.56 77.43 30 1.13 0.038 Table 11A - System 1 3 Inch Flame Height Data 4.5 Inch Flame Height For 12 seconds 33% of the cubes continued to burn. There were 6 cubes tested because one of the initial 3 tested at 12 seconds. 6 cubes were tested at 18 seconds and 67% continued to burn after the burner was removed. None of the cubes burned for the 24 and 30 second tests. 4.5 in. @ 12 seconds Test # Mass Before Mass After Time Mass Loss Mass Loss Rate 1 73.77 72.71 12 1.06 0.088 2 72.71 68.57 150 4.14 0.028 3 82.17 80.93 12 1.24 0.103 4 80.93 80.01 12 0.92 0.077 5 73.21 60.64 150 12.57 0.084 6 82.66 81.84 12 0.82 0.068
WPI%20Pit%20Cube%20Letter%20Report.docx