Estes A10-3T Mini Model Rocket Engine Pack - Includes 4 Engines with Starters & Plugs (1511)

PLEASE NOTE: This item will ship by US Postal Service only — you MUST HAVE a physical mailbox or Post Office box for delivery The A10-3T is a mini single stage engine designed for flights in lightweight rockets Engine Diameter: 13 mm (Please verify that these engines are compatible with your model rocket before purchasing) Each pack includes four A10-3T engines, four starters, and four starter plugs Each package includes 4 engines, 4 starters and 4 starter plugs. The Estes A10-3T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Please verify that these engines are compatible with your model rocket before purchasing. This product is warranted by Estes against defects in materials or workmanship from one year of the original purchase. Please retain the warranty information included in the package so that you may reference it in the event that you receive a defective or malfunctioning product as the engines are not returnable by mail. Specifications: Length: 1.8 in. (4.6 cm) Diameter: .50 in. (13 mm) Estimated Weight: .29 oz. (8.2 g) Total Impulse: 2.50 N-sec Time Delay: 3 Seconds Estimated Max Lift Weight: 3.0 oz (85 g) Max Thrust: 13.00 Newtons (2.9 lbs) Thrust Duration: 0.80 Seconds Initial Weight: 0.29 oz (8.1 g) Propellant Weight: 0.12 oz (3.5 g)