The Estes D12-3 Standard Single Stage Engines are powerful and reliable rocket engines designed to propel your model rockets to impressive heights. With a twenty-four-millimeter diameter, these engines are perfect for rockets weighing up to fourteen ounces, making them ideal for mid-sized and heavier models. Each package includes two engines, two starters, and four starter plugs, ensuring you have everything you need for a successful launch. Whether you're a hobbyist or an experienced rocketeer, the D12-3 engines deliver consistent performance and excitement. Features: Single-stage engine for model rocket flight Twenty-four-millimeter diameter for mid-sized and heavier rockets Maximum lift weight capacity of fourteen ounces Reliable and powerful engine performance Perfect for both beginner hobbyists and experienced rocketeers Specifications: Total Impulse: 20.00 N-Sec Time Delay: 3 Seconds Max Lift Weight: 14.0oz (396g) Max Thrust: 32.90 Newtons (7.4lbs) Thrust Duration: 1.60 Seconds Length: 2.75in. (7cm) Diameter: 0.94in. (24mm) Weight: 1.57oz. (44.5g) Propellant Weight: 0.85oz (24.2g) Includes: (2) D12-3 Standard Single Stage Engines (2) Starters (2) Starters Plugs Compatible Models: Pro Series II™ Super Big Bertha™ Big Daddy™ Pro Series II™ Majestic™ Destination Mars™ Mars Longship™
