Tripoli Tampa
Static Tests - January 15, 2011

Static Test 1 1/15/11A   3 grain 38mm, Orange Crush propellant Terry Johnson Click for spreadsheet analysis of this test

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Peak Thrust: 26.81  Lbs-force  Average Thrust: 21.14  Lbs-force  Burn time: 2.57  Seconds  Total Thrust: 54.44  Lb-Seconds Total Thrust: 242.14  N-Seconds Propellant weight: 0.1600  Kg  Propellant weight: 0.360  pounds ISP, Delivered 154  Seconds Peak Pressure: 432  psi (ISP value is based on estimate of propellant mass)

Static Test 2 1/15/11B 5 grain 38mm, Orange Sunshine propellant Terry Johnson Click for spreadsheet analysis of this test

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Peak Thrust: 50.76  Lbs-force  Average Thrust: 41.74  Lbs-force (1) Burn time: 2.46  Seconds (1) Total Thrust: 102.95  Lb-Seconds Total Thrust: 457.91  N-Seconds Propellant weight: 0.3030  Kg  Propellant weight: 0.681  pounds ISP, Delivered 154  Seconds Peak Pressure: 460  psi

Static Test 3 1/15/11C 6 grain 38mm, Red 1 propellant Gary Horwood Click for spreadsheet analysis of this test

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Peak Thrust: 153.57  Lbs-force  Average Thrust: 125.22  Lbs-force (1) Burn time: 1.17  Seconds (1) Total Thrust: 146.62  Lb-Seconds Total Thrust: 652.14  N-Seconds Propellant weight: 0.3390  Kg  Propellant weight: 0.762  pounds ISP, Delivered 196  Seconds Peak Pressure: 890  psi

Static Test 4 1/15/11D   5 grain 54mm, Red 1 propellant Gary Horwood Click for spreadsheet analysis of this test

Click for video of this test (1.2mb .wmv file, 16 seconds playtime)

Peak Thrust: 161.98  Lbs-force  Average Thrust: 140.44  Lbs-force (1) Burn time: 2.23  Seconds (1) Total Thrust: 313.65  Lb-Seconds Total Thrust: 1395.10  N-Seconds Propellant weight: 0.8280  Kg  Propellant weight: 1.862  pounds ISP, Delivered 172  Seconds Peak Pressure 731  psi

Jimmy Yawn
1/20/11
jyawn@sfcc.net