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.
4 - 1/2A3-4T Engines
4 - Starters,
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.
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1.8 in. (4.6 cm)
.23 oz. (6.5 g)
|Estimated Max Lift Weight||
1.0 oz (28 g)
8.30 Newtons (1.9 lbs)
0.23 oz (6.6 g)
0.07 oz (1.9 g)
|Quantity Per Pack||
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