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Estes A3-4T Model Rocket Engines
A3 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
    Estes A3-4T Model Rocket Engines
    A3 Model Rocket Engine Thrust Curve Chart
    Model Rocket Thrust Curve Example
    Estes Rockets

    A3-4T Engines

    SKU: 001507
    $10.16
    $11.29
    Sale Sold out
    -10%

    ENGINES FOR MODEL ROCKETS

    4 – A3-4T Engines
    4 – Starters
    4 – Starter Plugs

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

    Overview 

    Recommended Rockets

    Specs

    Reviews

    Overview

    The Estes A3-4T 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

    Estes A3-4T Model Rocket Engines

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    Technical Specifications

    Technical Specifications

    • Total Impulse

    2.50 N-sec

    • Time Delay

    4 Seconds

    • Max Lift Weight

    2.0 oz (57 g)

    • Max Thrust

    6.80 Newtons (1.5 lbs)

    • Thrust Duration

    0.60 Seconds

    • Length

    1.8 in. (4.6 cm)

    • Diameter

    13 mm

    • Weight

    .28 oz. (7.9 g)

    • Propellant Weight

    0.12 oz (3.3 g)
    A3 Model Rocket Engine Thrust Curve Chart

    Customer Reviews

    Based on 5 reviews
    80%
    (4)
    0%
    (0)
    0%
    (0)
    0%
    (0)
    20%
    (1)
    V
    Victor Potts
    Perfect

    Igniters and engine work flawlessly.

    M
    Matt Kl
    0 for 12

    Igniters did fire up hot enough to ignite engines. I checked voltage of controller and it was 9v. I thought the range to fire was 6-12v.
    I used an ESTES controller brand new everything.

    Hi there, we're sorry to hear that your experience with our A3-4T Engines was not up to par. We take all feedback seriously and would appreciate the chance to address your concerns. Please email us at service@estesrockets.com so we can assist you directly. We want to make sure that you have a successful launch and enjoy our products. Thank you for bringing this to our attention.

    T
    Todd Hattaway
    Works great at great price

    Great price for great engines

    12