Estes C11-5 Model Rocket Engines (2pk) (EST10026)
$10.99
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Only 4 Left!In Store Only
Estes C11-5 Model Rocket Engines (2pk) (EST10026)
$10.99
10 N-sec Impulse
Reliable mid power performance
24mm Diameter
Fits standard engine mounts
5-Second Delay
Optimal ejection timing delay
High Peak Thrust
Delivers 22.1 Newtons liftoff
Complete 2-Pack
Includes starters and plugs
5 oz Capacity
Ideal for mid-sized rockets
Pickup In Store Only
Step Up Your RocketryMid power energy for intermediate modelers
The Estes C11-5 Model Rocket Engines (2pk) provide the perfect mid-power upgrade for hobbyists stepping up from standard 18mm rocket motors. Featuring a 24mm diameter and 10.00 N-sec of total impulse, this single-stage rocket engine delivers dependable thrust and impressive altitude potential for medium-sized rockets weighing up to 5 ounces.
Engineered for AltitudeConsistent thrust and optimal recovery timing
Designed for intermediate rocketeers seeking greater performance without making the jump to E-class motors, the Estes C11-5 Model Rocket Engines deliver a peak thrust of 22.10 Newtons with a 0.80-second thrust duration. The 5-second coast phase allows rockets to achieve maximum height before initiating ejection charge deployment. Each pack comes complete with starters and starter plugs, making the Estes C11-5 a reliable choice for launches requiring extra power in mid-sized model rockets.
Technical SpecificationsDetailed engine parameters and measurements
Total Impulse
10.00 N-sec
Time Delay
5 Seconds
Max Lift Weight
5.0 oz / 142 g
Max Thrust
22.10 Newtons / 4.9 lbs
Thrust Duration
0.80 Seconds
Length
2.75 in. / 7 cm
Diameter
24 mm
Engine Weight
1.18 oz / 33.5 g
Propellant Weight
0.44 oz / 12.4 g (fuel)
Performance FeaturesEverything required for successful launches
CompatibilityFits beginner to intermediate 24mm rocket mounts
High Impulse OutputDelivers 10.00 N-sec total impulse
Reliable IgnitionIncludes 2 starters and 4 starter plugs
Consistent BurnProvides 0.80 seconds of continuous thrust
Optimized Delay5-second coast phase for parachute ejection
Max Liftoff CapacitySupports rockets weighing up to 5.0 oz
Frequently Asked QuestionsEverything you need to know
What rockets are compatible with the Estes C11-5 Model Rocket Engines?
The Estes C11-5 Model Rocket Engines are designed for mid-sized model rockets built to accommodate 24mm diameter motor mounts and weigh up to 5.0 ounces (142 grams).
What is included in the Estes C11-5 Model Rocket Engines pack?
Each package contains two Estes C11-5 rocket engines, two starters, and four starter plugs required for complete setup and ignition.
What does the '5' stand for in the Estes C11-5 Model Rocket Engines designation?
The number '5' in the Estes C11-5 Model Rocket Engines name indicates a 5-second time delay between the burnout of the propellant and the triggering of the recovery ejection charge.