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AeroTech motors
 
Low Power Rocketry (LPR)   Medium Power Rocketry (MPR)      
High power Rocketry Level 1   High power Rocketry Level 2   High power Rocketry Level 3
 
Please check Aero Tech Web site for up to date details.
Motors with the Total impulse/Propellant weight marked in red cannot be
launched at Doonside due to CASA restrictions.		   Note - Total impulse is a rounded value.
Econojet Single use motors.    
Motor   Diameter   Case
Length		   Total
Impulse		   Prop.
Weight		   Motor
Weight		   Delay
Times		 Cert.
level
F20W (2-pak)   1.13” (29mm)   3.28”   55 N-sec   30 g   80 g   4, 7 (MPR)
F23FJ (2-pak)   1.13” (29mm)   3.28”   42 N-sec   30 g   83 g   4, 7 (MPR)
F27R (2-pak)   1.13” (29mm)   3.28”   50 N-sec   28 g   79 g   4, 8 (MPR)
F42T (2-pak)   1.13” (29mm)   3.28”   55 N-sec   27 g   76 g   4, 8 (MPR)
  Graph 1
     
Hobby Line Single-Use Motors.    
Motor   Diameter   Case
Length		   Total
Impulse		   Prop.
Weight		   Motor
Weight		   Delay
Times		 Cert.
level
D21T   0.70” (18mm)   2.75”   20 N-sec   9.6 g   25 g   4, 7 (LPR)
E15W   0.94” (24mm)   2.75”   40 N-sec   20.1 g   48 g   4, 7, plugged (MPR)
E30T   0.94” (24mm)   2.75”   40 N-sec   19.3 g   47 g   4, 7 (MPR)
F25W   1.13” (29mm)   3.88”   73 N-sec   38.8 g   97 g   4, 6, 9 (MPR)
F26FJ   1.13” (29mm)   3.88”   65 N-sec   43.1 g   101 g   6, 9 (MPR)
F50T   1.13” (29mm)   3.88”   70 N-sec   33.6 g   90 g   4, 6, 9 (MPR)
G38FJ   1.13” (29mm)   4.88”   87 N-sec   59.7 g   126 g   4, 7 (MPR)
G40W   1.13” (29mm)   4.88”   100 N-sec   53.8 g   123 g   4, 7, 10 (MPR)
G77R   1.13” (29mm)   4.88”   105 N-sec   58.1 g   122 g   4, 7, 10 (MPR)
G79W   1.13” (29mm)   4.88”   112 N-sec   60.1 g   124 g   4, 7, 10 (MPR)
G80T   1.13” (29mm)   4.88”   100 N-sec   47.9 g   116 g   4, 7, 10 (MPR)
  Graph 2

Graph 3
     
Hobby Line Single-Use Loadable Motor System.    
Motor   Diameter   Case
Length		   Total
Impulse		   Prop.
Weight		   Motor
Weight		   Delay
Times		 Cert.
level
F20W (2-pak)   1.13” (29mm)   3.28”   55 N-sec   30 g   80 g   4, 7 (MPR)
F23FJ (2-pak)   1.13” (29mm)   3.28”   42 N-sec   30 g   83 g   4, 7 (MPR)
F27R (2-pak)   1.13” (29mm)   3.28”   50 N-sec   28 g   79 g   4, 8 (MPR)
F42T (2-pak)   1.13” (29mm)   3.28”   55 N-sec   27 g   76 g   4, 8 (MPR)
G77R   1.13” (29mm)   4.88”   105 N-sec   58.1 g   122 g   4, 7, 10 (MPR)
G79W   1.13” (29mm)   4.88”   112 N-sec   60.1 g   124 g   4, 7, 10 (MPR)
  Graph 4
     
High Power Single-Use Motors.
Motor   Diameter   Case
Length		   Total
Impulse		   Prop.
Weight		   Motor
Weight		   Delay
Times		 Cert.
level
J420R   1.50” (38mm)   14.03”   660 N-sec   347 g   622 g   8, 12, 16 Level 2
                           
 
High Power Single-Use Loadable Motor System.
Motor   Diameter   Case
Length		   Total
Impulse		   Prop.
Weight		   Motor
Weight		   Delay
Times		 Cert.
level
I65PW   2.125” (54mm)   7.89”   640 N-sec   378.0 g   625 g   plugged Level 1
J125PW   2.125” (54mm)   12.82”   1280 N-sec   720.5 g   1100 g   plugged Level 2
K250PW   2.125” (54mm)   25.53”   2500 N-sec   1400.0 g   2294 g   plugged Level 2
K1050PW   2.125” (54mm)   25.53”   2560 N-sec   1365.3 g   2250 g   plugged Level 2
  Graph 5

Motors with the Total impulse/Propellant weight marked in red cannot be
launched at Doonside due to CASA restrictions.

    


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