It was during this time that Estes created many of the standard model rocket body tube sizes and the legacy size-aware part numbering scheme that is still in common use. So pervasive was the Estes influence on the industry that some other manufacturers adopted the same tube size series and ...
Estes C6-3 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1613) Add $14.99current price $14.99Estes C6-3 Model Rocket Engine Pack - Includes 3 Engines with Starters & Plugs (1613) 55 out of 5 Stars. 5 reviews Shipping, arrives in 3+ days Estes Blast Off...