Estes 1/4A3-3T Model Rocket Motor Engines (4 in a Pack) - ES1502
Estes 1/4A3-3T Model Rocket Motor Engines (4 in a Pack)
The Estes 1/4A3-3T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs.
Specification:
Length - 1.75 in. (4.4cm)
Diameter - .50 in. (13mm)
Estimated Weight - .21 oz. (6g)
Total Impulse - 0.625 N-sec
Time Delay - 3 Seconds
Estimated Max Lift Weight - 1.0 oz (28g)
Max Thrust - 4.90 Newtons (1.1 lbs)
Thrust Duration - 0.25 Seconds
Initial Weight - 0.21 oz (5.9g)
Propellant Weight - 0.05 oz (1.3g)
Quantity Per Pack – 4
In the Pack
4 1/4A3-3T Engines
4 Starter Igniters
4 Igniter Plugs
Note: Estes model rockets are recommended for ages 14+ with Adult supervision
