A8-3 Engine Bulk Pack Overview: An A8-3 engine is your best bet for students to launch their rockets and see the entire flight profile. Estes engine bulk packs are convenient and include everything your students need to prepare their rockets for launching. PLEASE NOTE: You must have a physical address for delivery. Estes A8-3 Engine Bulk Pack is a single stage engine designed for model rocket flights weighing less than 3 ounces, including the engine. These engine packs may be used for the rocket bulk packs or other Estes rockets. Whether you are launching rockets at school with students, at a youth group activity or rocket club monthly launch, Estes engine bulk packs are a must. A8-3 Engine Bulk Pack comes with all the rocket engine supplies you need to launch 24 rockets. Included are 24 A8-3 rocket engines 30 model rocket starters 24 reusable starter plugs 75 squares of recovery wadding Use Estes 1781 engines to launch these bulk pack rockets: 1756 Alpha Rocket Bulk Pack of 12 1751 Alpha III Bulk Pack of 12 1764 Generic E2X Bulk Pack of 12 1754 Wizard Bulk Pack of 12 Viking Bulk Pack of 12 Technical Specifications: Total Impulse: 2.50 N-sec Time Delay: 3 Seconds Max Lift Weight: 3.0 oz (85 g) Max Thrust: 10.70 Newtons (2.4 lbs) Thrust Duration: 0.80 Seconds Length: 2.8 in. (7 cm) Diameter: 18 mm Weight: .55 oz. (15.6 g) Propellant Weight: 0.14 oz (4.1 g)
