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Quantity
1
The Estes A3-4T engine is a single-stage mini model rocket engine built for lightweight rockets and designed to deliver consistent, reliable performance. With a total impulse of 2.50 N-sec and a peak thrust of 6.80 newtons (1.5 lbs), this 1...
Reviews
4.9
12 ratings
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Haven't used them yet, but the packaging is very eye catching.
