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
    $11.29
    Sale

    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: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions.

    Overview

    1/4A3-3T Engine

    Compatible Rockets

    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)
    1/4A3 Model Rocket Engine Thrust Curve Chart

    Customer Reviews

    Based on 2 reviews
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    B
    Bill Dillon (Missouri City, TX)
    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 (Las Vegas, NV)

    Great!

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    Learn About Model Rocket Safety!

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