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1/2A3-4T Estes Model Rocket Engines
Original price was: $11.29.$9.03Current price is: $9.03.
7 in stock
ENGINES FOR MODEL ROCKETS
4 – 1/2A3-4T Engines
4 – Starters
4 – Starter Plugs
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.
PLEASE NOTE: This item will ship by US Postal Service only. You MUST HAVE a physical mailbox or post office box for delivery.
ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions.
| Length | 1.8 in. (4.6 cm) |
|---|---|
| Diameter | 13 mm |
| Estimated Weight | .23 oz. (6.5 g) |
| Total Impulse | 1.25 N-sec |
| Time Delay | 4 Seconds |
| Estimated Max Lift Weight | 1.0 oz (28 g) |
| Max Thrust | 8.30 Newtons (1.9 lbs) |
| Thrust Duration | 0.30 Seconds |
| Initial Weight | 0.23 oz (6.6 g) |
| Propellant Weight | 0.07 oz (1.9 g) |
| Quantity Per Pack | 4 |
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