The Estes E12-4 engine is a proven bestseller in the mid-power category, offering strong performance for model rocketeers ready to step up from smaller engines. With 30.00 N-sec of total impulse and a 4-second delay, it’s a dependable choice for mid-size rockets. Ideal for hobby shops, the E12-4 appeals to a wide audience of customers who want more altitude and excitement without moving into high-power certification. Stocking this versatile engine helps ensure repeat visits and add-on sales. Includes: - 2 E12-4 Engines - 2 Starters - 4 Starter Plugs Overview The Estes E12-4 engine is a strong-selling mid-power option that gives hobbyists the performance they’re looking for in their next launch. With a 24mm diameter and 30.00 N-sec of total impulse, this engine is ideal for customers moving up from smaller C and D engines into more advanced flights. Stocking the E12-4 ensures your shop can meet the demand for reliable, high-performance engines that appeal to both seasoned rocketeers and ambitious beginners. Known for its consistency and quality, the E12-4 offers an exciting balance of thrust and flight control. Its 4-second delay is perfectly timed for a wide range of rockets, making it a versatile addition to your engine lineup. Customers appreciate the dependable ignition and smooth flight sequences that Estes engines are famous for, which means they’ll keep coming back to your store for more. With a maximum lift weight of 17 ounces, this engine supports a broad selection of mid-size rockets. That versatility makes it a strong recommendation for hobby shop staff helping customers choose the right engine for their rockets. It’s also a great stepping stone for rocketeers eager to try larger engines without moving into high-power certifications, giving your store a product that bridges beginner and advanced flights. Each E12-4 engine pack includes 2 engines, 2 starters, and 4 starter plugs, ensuring customers get everything they need for multiple launches. Offering the E12-4 in your shop not only boosts sales of engines but also drives repeat purchases of rockets, recovery wadding, and other accessories that complete the launch experience. Technical SpecificationsTotal Impulse: 30.00 N-secTime Delay: 4 SecondsMax Lift Weight: 17.0 oz (482 g)Max Thrust: 30.60 Newtons (6.9 lbs)Thrust Duration: 2.70 SecondsLength: 3.8 in. (9.7 cm)Diameter: 24 mmWeight: 2.16 oz. (61.2 g)Propellant Weight: 1.3 oz (36.9 g) Compatible rockets:Pro Series II VogelSaturn 1BULA VulcanAthen H ATTENTION: Estes Industries, LLC and Echo Six LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC and Echos Six LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.These engines cannot be sent to post office boxes. Please be sure to provide a PHYSICAL ADDRESS when purchasing E and F sized engines. E and F sized engines cannot be shipped to Alaska, Hawaii, Puerto Rico or Guam.
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