Description

A3-4T Model Rocket Engines

The Estes A3-4T is a mini single-stage model rocket engine designed for rockets up to 2.0 ounces. With a peak thrust of 6.80 newtons, a 0.60-second thrust duration, and a 4-second delay, it delivers dependable performance for lightweight rocket flights.

Each pack includes four engines, four starters, and four starter plugs, so you have everything needed for multiple launches without purchasing ignition components separately.

Features:

• 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
• was item 1507

Specifications:

• Motor Type: Black Powder
• Total Impulse: 2.50 Newton Seconds(N-sec)
• Delay: 4 seconds
• Maximum liftoff weight: 2.0 oz / 57 gms
• Maximum Thrust: 6.8 Newtons/ 1.5 lbs
• Thrust Duration: 0.6 Seconds
• Initial Weight: 0.27 oz / 7.6 gms
• Propellant Weight: 0.12 oz / 3.50 gms
• Burnt/Empty weight: 0.15 oz / 4.10 gms (est)

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