Estes 1504 1/2A3-4T

Mini Rocket Engines, Igniters, and Plugs

Engines per Package: 4

Igniters: 4

Plugs: 4

Total Impulse: .625 N-sec

Time Delay: 3 seconds

Initial Weight of Engine: .21 oz (5.9 g)

Propellant Weight: .05 oz (1.3 g)

Diameter: 13 mm