Estes 1/4A3-3T Model Rocket Engine Pack of 4 1502

The Estes 1/4A3-3T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 starters and 4 starter plugs.

1/2A3-3T Model Rocket Engines

• Pack of 4 Mini Engines
• 4 Igniters
• 4 Igniter Plugs
• Single Stage Engines
• Casing Dimensions: 13mm x 45mm / 1/2″ x 1 3/4″
• Fits BT5 Body Tubes and 13mm engine tubes

Specifications:

• Motor Type: Black Powder
• Total Impulse: .625 Newton Seconds(N-sec)
• Delay: 3 seconds
• Maximum liftoff weight: 1.0 oz / 28 gms
• Maximum Thrust: 4.9 Newtons/ 1.1 lbs
• Thrust Duration: 0.25 Seconds
• Initial Weight: 0.21 oz / 6.0 gms
• Propellant Weight: 0.05 oz / 1.3 gms
• Burnt/Empty weight:

National Association of Rocketry Engine Certification is attached in the images.

WE TRY TO SHIP WITHIN ONE BUSINESS DAY AND SHIP MOTORS GROUND COURIER – FASTER THAN OTHERS

WE SHIP ENGINES ONLY TO CANADA DUE TO SHIPPING REGULATIONS. (Regular items do ship there!) We are a certified shipper of Rocket Motors

Canada Only:

May not be sold to a person under 12 years of age. UN0432 1.4s. Do not launch model rocket motors in a manner that would endanger flying aircraft and or become a hazard to aircraft. Interdit a la vente pour les moins de 12 ans. UN0432. Ne pas lancer les modeles de fusee de soprtes qu’ils seraint un danger pour las securite aerienne.

To destroy – soak in water – do not burn.

Contents subject to change.