Estes Doorknob Model Rocket Kit Pro Series II (EST9720)
$49.99
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Estes Doorknob Model Rocket Kit Pro Series II (EST9720)
$49.99
1100 Ft Altitude
Reaches Impressive Flying Heights
1:5.3 Scale
Authentic Sounding Rocket Replica
Nylon Parachute
18 Inch Durable Recovery
Versatile Power
Fits D E F Motors
Quick Assembly
Takes Three To Four Hours
26.9 Inches
Large Scale Rocket Size
Historic High-Altitude SoundingExperience Authentic Scale Rocket Flight
The Estes Doorknob Model Rocket Kit: Pro Series II brings a historic sounding rocket to life in an impressive 1:5.3 scale replica. Standing nearly 27 inches tall, this high-powered model rocket kit reaches projected altitudes of up to 1,100 feet using D, E, and F series rocket engines. Designed for rocketry enthusiasts, it features an 18-inch nylon parachute for safe and reliable recovery after every launch.
Cold War Flight HistoryUnleash High-Power Rocketry Performance
Modeled after the historic upper-atmosphere sounding rockets utilized during the 1958 Hardtack Nuclear Test Series, the Estes Doorknob Model Rocket Kit: Pro Series II combines rich American history with exciting high-power rocketry performance. This impressive kit features two distinct decal sets, allowing builders to construct either an authentic historic replica or a high-visibility sport model. Straightforward to build and thrilling to launch, this kit requires basic modeling supplies like epoxy, wood glue, and paint, and requires a high-power pad and controller for operation. Crafting and launching this iconic scale model rocket offers an exceptional hands-on experience for hobbyists of all experience levels.
Technical Rocket DataDimensions Specs And Motor Requirements
Scale
1:5.3 Scale
Length
26.9 in. (68.3 cm) (maximize)
Diameter
3 in. (76 mm) (circle)
Estimated Weight
10 oz. (283.5 g) (weight)
Projected Max Altitude
1100 ft. (335 m) (speedometer)
Recommended Engines
F15-4, F15-6, E16-4, D12-3 with adapter
Recovery System
18 in. (45.7 cm) Nylon Parachute (shield)
Estimated Assembly Time
3-4 Hours
Age Recommendation
Ages 18+
Key Model HighlightsEngineered For Precision Flight Performance
Scale AccuracyAuthentic 1:5.3 scale details based on real sounding rockets
High Altitude PerformanceSoars up to 1,100 feet on F-series motors
Nylon Parachute RecoveryIncludes heavy-duty 18-inch parachute for safe landings
Multiple Decal OptionsIncludes options for historic scale or sport rocketry finishes
Multi-Engine CompatibilityAccepts D, E, and F size model rocket engines
Pro Series Build QualityEngineered for strength and stability during flight
Frequently Asked QuestionsEverything you need to know
What engines are recommended for the Estes Doorknob Model Rocket Kit: Pro Series II?
The Estes Doorknob Model Rocket Kit: Pro Series II is designed to launch on F15-4, F15-6, and E16-4 engines. It can also fly on D12-3 engines when using a separately sold engine adapter.
What extra equipment is required to launch the Estes Doorknob Model Rocket Kit: Pro Series II?
To launch the Estes Doorknob Model Rocket Kit: Pro Series II, you will need a Porta-Pad E Launch Pad, a Pro Series II Launch Controller, 6 AA alkaline batteries for the controller, recovery wadding, starters, and suitable rocket engines.
What tools and supplies are needed to build the Estes Doorknob Model Rocket Kit: Pro Series II?
Assembly requires standard hobby tools including scissors, a pencil, ruler, fine sandpaper, sanding block, hobby knife, masking tape, carpenter's glue, epoxy, white primer, paints (black, day-glow orange, white), and optional clear coat.
How high does the Estes Doorknob Model Rocket Kit: Pro Series II fly?
Depending on the engine used, the Estes Doorknob Model Rocket Kit: Pro Series II can achieve maximum projected altitudes of up to 1,100 feet (335 meters).
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