D12-3 Model Rocket Engines (3pk)

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Estes D12-3 Model Rocket Engines (2pk) Overview: The D12-3 is a single stage engine designed for rockets with a maximum lift weight of less than 14 ounces. Recommended for use with the Big Daddy, Super Big Bertha, Majestic, Mars Longship, or other compatible rocket kits. These are large (24mm diameter) engines that will only fit certain model rockets and are 2.75" (7.0cm) long and 0.94" (24mm) in diameter. This engine offers high performance, reliable ignition, and consistent burn time, all in a durable design that’s easy to install and optimized for model rockets. Features: Great for rocket kits that use 24mm engines High performance thrust Reliable ignition Consistent burn time Easy installation Durable construction Optimized for model rockets Show more