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1/4A3-3T Engine
001504 - 1/2A3 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
    1/4A3-3T Engine
    001504 - 1/2A3 Model Rocket Engine Thrust Curve Chart
    Model Rocket Thrust Curve Example
    Estes Rockets

    1/4A3-3T Engines

    SKU: 001502

    $10.16
    $11.29
    -10%

    ENGINES FOR MODEL ROCKETS

    4 – 1/4A3-3T Engines
    4 – Starters
    4 – Starter Plugs

    PLEASE NOTE: You must have a physical address for delivery.

    Overview 

    Recommended Rockets

    Specs

    Reviews

    Overview

    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.

    ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

    Overview

    1/4A3-3T Engine

    Launch Learning Further with
    Estes Education

    Teachers, STEM clubs, Boy or Girl Scout leaders, and summer camp programs can apply for an Estes Education account at edu.estesrockets.com to receive a 20% Educator Discount and applicable tax exemptions, and access to 40+ FREE standards-aligned lesson and unit plans.

    Bring the excitement of rocketry to your classroom, troop, or camp for less!

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    Technical Specifications

    Technical Specifications

    • Total Impulse

    0.625 N-sec

    • Time Delay

    3 Seconds

    • Max Lift Weight

    1.0 oz (28 g)

    • Max Thrust

    4.90 Newtons (1.1 lbs)

    • Thrust Duration

    0.25 Seconds

    • Length

    1.75 in. (4.4 cm)

    • Diameter

    13 mm

    • Weight

    .21 oz. (6 g)

    • Propellant Weight

    0.05 oz (1.3 g)
    001504 - 1/2A3 Model Rocket Engine Thrust Curve Chart

    Customer Reviews

    Based on 2 reviews
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    B
    Bill Dillon
    Love these little engines!

    Great for launching small rockets on small fields, when the urge to fly grows but the wind is not cooperating for larger, higher-flying rockets!

    C
    Colin Hensler

    Great!