F42-4 2PK
Outer Diameter: 1.125" (29mm)
Length: 3.28" (83mm)
Motor Weight: 77 g
Propellant Weight: 27.0 g
Propellant Type: Blue Thunder䋢 (T)
Total Impulse: 55 N-sec
Burn Time: 1.3 seconds
Delay Time: 4 seconds
Maximum Recommended Liftoff Weight: 22 oz/620 g
Fits rockets designed for 29mm motors