Estes 1/4A3-3T Model Rocket Engines
Estes 1/4A3-3T 13mm Model Rocket Engines
Estes 1/4A3-3T Model Rocket Engines with Plugs and Ignitors
Estes 1/4A3-3T Model Rocket Engines 4 Pack
001504 - 1/2A3 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
Estes 1/4A3-3T Model Rocket Engines Assembly How To
Estes 13mm Model Rocket Engine Assembly

1/4A3-3T Engines

SKU: 010010
UPC: 047776100107
MSRP/MAP: $11.99
$11.99
Sale

The Estes 1/4A3-3T is a mini single stage model rocket engine designed for lightweight rockets and consistent performance. Each retail package includes 4 engines, 4 starters, and 4 starter plugs, making it an easy grab and go solution for customers.

This engine is a strong add on sale for shops serving beginners, families, and educators. Its small size and predictable performance make it a reliable choice for customers flying mini rockets, helping reduce returns while increasing satisfaction and repeat purchases.

Includes:
- 4 1/4A3-3T Engines
- 4 Starters
- 4 Starter Plugs

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

Overview

The Estes 1/4A3-3T engine is a compact mini engine built for dependable performance in lightweight model rockets. This 4 pack format is ideal for retail shelves, offering a complete motor solution that pairs well with mini rocket kits and impulse buys.

Retailers benefit from the consistency of the 1/4A3-3T. Predictable thrust and timing help customers achieve successful flights, which builds trust in both the product and the store that sold it. This reliability makes it a staple engine for beginner friendly assortments and youth focused rocketry programs.

With a total impulse of 0.625 N-sec and a 3 second delay, this engine delivers gentle but effective performance for small rockets. Its low lift capacity and short burn help protect lightweight airframes, reducing customer frustration and increasing the likelihood of repeat engine purchases.

The 1/4A3-3T is an essential engine for any retailer carrying mini rocket kits or serving entry level rocketeers. Stocking this engine supports impulse sales, starter kit attachments, and ongoing consumable demand. A dependable choice that keeps customers launching and coming back.

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.

Estes 1/4A3-3T Model Rocket Engines with Plugs and Ignitors

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)
1/4 A3 Model Rocket Engine Thrust Curve Chart

Customer Reviews

Based on 2 reviews
100%
(2)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
C
Colin Hensler

Great!

C
Customer
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!