D12-3 Standard Engine (2)
$14.99
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D12-3 Standard Engine (2)
$14.99
Total Impulse
High performance 20.0 N-sec power
Motor Casing
Standard 24mm diameter size
Launch Pack
Includes starters and starter plugs
In Stock
Launch Into High AltitudeReliable D-class motor for model rockets
The Estes D12-3 Standard Rocket Engine pack delivers reliable, high-thrust performance for single-stage model rocket launches. Engineered for 24mm engine mounts, these powerful rocket motors are ideal for model rockets weighing up to 14 ounces.
Precision Rocketry PropulsionMaximize altitude with proven engine tech
Take your rocketry builds higher with the proven power output of the Estes D12-3 Standard Rocket Engine. Designed specifically for single-stage flights, this 24mm model rocket engine features a 3-second coasting delay before firing the parachute deployment charge. Each package comes complete with 2 engines, 2 starters, and 4 starter plugs, providing everything needed for safe ignition and impressive high-altitude flights.
Technical Engine DataComplete motor specifications and ratings
Length
2.75 in. (7 cm) (ruler)
Diameter
24 mm
Estimated Weight
1.57 oz. (44.5 g) (weight)
Total Impulse
20.00 N-sec
Time Delay
3 Seconds
Estimated Max Lift Weight
14.0 oz (396 g) (scale)
Max Thrust
32.90 Newtons (7.4 lbs) (lightning)
Thrust Duration
1.60 Seconds
Initial Weight
1.57 oz. (44.5 g) (weight)
Propellant Weight
0.85 oz (24.2 g) (database)
Quantity Per Pack
2
Motor Features & EssentialsWhat makes this rocket motor great
Engine TypeSingle Stage D-Power Rocket Engine
Casing DiameterStandard 24mm Mount Size
Time Delay3-Second Coast Phase Delay
Maximum Lift CapacitySupports Rockets up to 14 oz
Peak Thrust32.9 Newtons Peak Output
Complete PackIncludes Starters and Plugs
Frequently Asked QuestionsEverything you need to know
What rockets are compatible with the Estes D12-3 Standard Rocket Engine?
The Estes D12-3 Standard Rocket Engine is designed for single-stage model rockets that accept 24mm diameter engines and have a maximum liftoff weight under 14 ounces.
What does the '3' signify in the Estes D12-3 Standard Rocket Engine?
The '3' in Estes D12-3 Standard Rocket Engine stands for a 3-second coasting delay between engine burnout and the ejection charge, optimizing recovery deployment at peak altitude.
What items are included in the Estes D12-3 Standard Rocket Engine 2-pack?
Each package of the Estes D12-3 Standard Rocket Engine includes two 24mm rocket engines, two solar starters, and four starter plugs for complete launch prep.