Estes Rockets 1/4A3-3T Engines

• Launch your next model rocket on Estes Rockets 1/4A3-3T Engines
• Each package includes 4 engines, 4 starters and 4 starter plugs
• 1.75 inches x .50 inches and weighs .21 oz
• Total impulse: .625 N-sec
• Max thrust: 4.90 Newtons
• Can only be shipped via USPS Parcel Select Ground. No international shipping is allowed.

Propel your lightweight model rockets into the sky with the Estes Rockets 1/4A3-3T Engines. Sold in a pack of 4 engines, 4 starters and 4 starter plugs. Each engine weighs .21 oz and measures 1.75 inches x .50 inches. Remember, these engines only ship USPS Parcel Select Ground. 

Products Containing Crystalline Silica | CA Prop 65

Boyce Aerospace Hobbies recommends hobbyists under the age of 13 be supervised by an adult at all times.