Estes 1/2A3-4T Model Rocket Motor Engines (4 in a Pack) - ES1504
Estes 1/2A3-4T Model Rocket Motor Engines (4 in a Pack)
The Estes 1/2A3-4T 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 - 1.8 in. (4.6cm)
Diameter - .50 in. (13mm)
Estimated Weight - .23 oz. (6.5g)
Total Impulse - 1.25 N-sec
Time Delay - 4 Seconds
Estimated Max Lift Weight - 1.0 oz (28g)
Max Thrust - 8.30 Newtons (1.9 lbs)
Thrust Duration - 0.30 Seconds
Initial Weight - 0.23 oz (6.6g)
Propellant Weight - 0.07 oz (1.9g)
Quantity Per Pack – 4
In the Pack
4 1/2A3-4T Engines
4 Starter Igniters
4 Igniter Plugs
Note: Estes model rockets are recommended for ages 14+ with Adult supervision
