{"product_id":"est10050-e12-0-model-rocket-engines","title":"Estes Rockets - E12-0 Model Rocket Engines, (2pk)","description":"The Estes E12-0 is a 24mm booster-stage rocket engine engineered for dependable, high-thrust performance in two-stage flights. With a peak thrust of 31.3 N (7.0 lbs) and a 2.6 second burn, the E12-0 supplies the surge your second-stage motor needs for clean separation and strong initial climb. Its compact 3.8 inch length and proven propellant formulation make it a favorite for modelers who want repeatable results without complicated setup.\u003cbr\u003e\u003cbr\u003eWhat sets the E12-0 apart is how it balances power and practicality. This engine was designed for straightforward use by hobbyists - it pairs seamlessly with any compatible 24mm sustainer motor to create satisfying two-stage flights. The combination of predictable thrust curve and no delay (time-delay none) means you get an immediate booster impulse when you need it most, making staging timing simpler to manage and reducing the variables that can complicate multi-stage launches.\u003cbr\u003e\u003cbr\u003eEach package contains 2 E12-0 engines, 2 igniters, and 4 igniter plugs so you have the essentials to prepare multiple launches and spare hardware for quick turnaround between flights. The E12-0's total impulse of 28.80 N-s, propellant weight of 36.9 g, and lightweight construction (2.05 oz \/ 58.1 g per engine) are optimized for rockets that weigh less than 16.0 oz (454 g) including engines - the ideal choice for many 24mm two-stage kits and custom builds.\u003cbr\u003e\u003cbr\u003eWhether you're rounding out a weekend of flying with friends or dialing in staging performance for your competition model, the E12-0 is an easy, dependable way to add a true booster stage to your rockets. Always follow Estes safety guidelines and the motor instructions printed on the package - proper engine installation, launch system compatibility, and field safety practices are essential for safe, repeatable flights.\u003cbr\u003e\u003cp\u003e\u003c\/p\u003e\u003chr\u003e\u003cdetails open=\"\"\u003e\u003csummary\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/summary\u003e\u003cul\u003e\n\u003cli\u003e2 - E12-0 Engines\u003c\/li\u003e\n\u003cli\u003e2 - Starters\u003c\/li\u003e\n\u003cli\u003e4 - Starter Plugs\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/details\u003e\u003cbr\u003e","brand":"Estes Rockets","offers":[{"title":"Default Title","offer_id":67714596176084,"sku":"EST10050","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/6966\/files\/est10050.jpg?v=1791903799","url":"https:\/\/www.hobbyrecreationproducts.com\/products\/est10050-e12-0-model-rocket-engines","provider":"Hobby Recreation Products","version":"1.0","type":"link"}