Skillman Experimental Rocketry

Test 3, 2020-05-09-3

Ambient Temperature = 50.3318 F

     ~Propellant Properties~
Fuel Mixture: potassium nitrate - sorbitol
Burn Time = 9.3 s
Grain Mass = 250 g
Segment Lengths = 3.99, 3.9 in
Grain Density = 1.4544 g/cm^3

         ~Performance~
Average mass flow = 0.026882 kg/s
Impulse = 176.7673 N-s
Isp = 72.1014 s
c* = 1167.6575 m/s
Avg. CF = 0.60554

         ~Peak Values~
Max Thrust= 121.646 N
   at t= 1.0557 s
Max Pressure= 200.7129 psi
   at t= 1.0997 s
Max Temeprature= 60.1275 F
   at t= 0.083663 s

           ~Misc.~
Burn start time after DAQ start: 66.7 s
Burn start time after DAQ start: 76 s