The Estes 1/2A3-2T engine is single stage model rocket motor commonly known as a 'mini' motor. This engine is designed for flights in lightweight rockets, with a 13mm engine mount. Each package includes 4 engines, 4 igniters and 4 igniter plugs. Packaging may differ from that shown.
Qty: 4
Profile: Single Use:
Diameter: 13mm
Length: 44mm
Hardware Required: None
Propellant: Black powder
Total Impulse: 1.25 N-secs
Burn Time: 0.36secs
Delay (coasting) Time: 2 secs
Initial Weight: 5.6g
Propellant Weight: 1.75g
Max. Lift Off Weight: 56g (guideline only)