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.
Royal mail at £3.95, or Express at £6.95.
Full details at checkout.
Some items cannot be sent via Royal Mail due to their restrictions.
These are 13mm diameter
Answered by: Ben @ Wheelspin Models
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