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United Model B6-4 Engine Pack, Includes 3 Model Features
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Includes three B6-4 rocket engines, four model rocket starters, and four starter plugs
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The B6-4 engine is single stage engine designed for flights in rockets weighing less than 4 ounces, including the engine
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Each engine measures 2.80" (7cm) long and has a 0.70" (18mm) diameter
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PLEASE NOTE: This item will ship by US Postal Service only
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You MUST HAVE a physical mailbox or Post Office box for delivery
About United Model B6-4 Engine Pack, Includes 3 Model
The Estes B6-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.
