E-flite SR-71 Blackbird Twin 40mm EDF BNF Basic with AS3X and SAFE Select (EFL02050)

E-flite SR-71 Blackbird Twin 40mm EDF BNF Basic: The big guide for buyers

The model flying world is a highlight richer: the SR-71 Blackbird as a compact, powerful and realistic RC model for experienced pilots. The E-flite SR-71 Blackbird Twin 40mm EDF BNF Basic with AS3X and SAFE Select (EFL02050) combines innovative technology, sophisticated design and impressive optics. In this comprehensive guide, you will receive all the information that helps you make a purchase decision – from technical data to tips for optimization.

General technical data and facts

Here are the most important technical details at a glance:

Customer reviews and experience

Satisfied pilots worldwide praise the model especially for its original loyalty and first-class flight stability. Many report on successful first flights: Thanks to AS3X technology, the jet reliably lifts, can be controlled in a stable manner even in light winds and is thrilled by agile curves.

Positive feedback Name:

• Impressive optics and authentic flight characteristics
• Good balance between speed and control
• Fast start and easy landing on solid sub-bases
• Modular design: fins, suspension and nose are easily interchangeable
• Provided telemetry functions for live data in compatible remote controls

Critical aspects there is rarely, but primarily concern the limited visibility on other routes (black color scheme), the recommendation exclusively for experienced pilots and a certain learning effort in the safe handling of the two EDFs.

Test results

Fachmagazine and experienced RC testers are thrilled – especially by:

• Real-world flight characteristics: The jet is quiet in the air, dominates fast over flights and narrow curves. Grinding and “Low Passes” are perfect.
• Stabilization: The AS3X stabilizer ensures precise taxes, even in turbulence. SAFE Select is optionally active and supports gentle landing and lifting.
• Performance development: With recommended 4S 2200mAh battery, rapid climbing flights and longer flight times of up to 4-6 minutes are possible, depending on flight style and weather.

Conclusion of the experts: The model convinces demanding RC pilots with its combination of power, stability and detail.

Material quality

High-quality EPO foam is used for the robust yet lightweight structure, with Composite elements is reinforced. Particularly in the bow area and at the hull edges, additional plastic parts ensure stability. Lacquering and panel lines are carefully executed. The aluminium-look tyres grip the original detail while a flexible rubber tip prevents damage to the bow.

Flight times

With the recommended standard battery (4S 2200mAh, 30C+) average 4 to 6 minutes Flight time. In “Cruise” mode you can extend the flight time a little while aggressive maneuvers or fast flight shorten the battery life. Flight style, battery quality and outdoor temperature are crucial.

• Tips: High-quality batteries with a slightly larger capacity (e.g. 2500mAh) increase flight time if the weight limit is observed.

Increased power

The two 40mm-EDFs with high-performance brushless are powerfully dimensioned. In a straight trip, the jet convinces with authentic speed, and with full performance, fast climbing flights from the stand are no problem. The jet reaches effortlessly attractive heights and thus sets standards for models of this class.

Transport capacity

Thanks to compact dimensions and modular design is the model very transport-friendly:

• fins and nose are removable or stuck with snap-on systems
• The low weight makes transport easy
• Fits easily into the trunk medium-sized cars

The SR-71 Blackbird can also be taken spontaneously to the airfield.

Spare parts supply

The spare part supply is exemplary:

• All main components such as nose, fins, cockpit or suspension are as Spare parts available
• Also smaller parts such as servos, suspension struts or EDFs can be obtained individually
• The manufacturer and specialist trade offer fast and reliable service

This increases the life of the model and facilitates repairs in case of damage.

Target group

The E-flite SR-71 Blackbird Twin 40mm EDF is clearly aimed at:

• Experienced RC pilots with jet experience
• Lovers of scale and speed models
• Technicians who want to benefit from telemetry features and modern flight stabilizers
• Enthusiast model builders looking for an impressive flight picture

The model is not suitable for pure beginners due to the performance and flight behavior.

Construction and Guidance

The model is almost ready for flight preassembled. The assembly is limited to a few steps:

• Attach the fins and nose (snap-on)
• Use of batteries
• Binding with compatible transmitter
• Optional: Mounting landing frame

The Instruction is vivid, multilingual and illustrated. Even for less trained model builders, the construction is not an obstacle. As a rule, the model is ready in less than 30 minutes.

Community support

The community for this jet is growing steadily:

• Online forums, Facebook groups and manufacturer pages provide help with setup, modifications and problems
• Videos on first flights, repairs and optimizations are numerous
• Customer service of E-flite/Horizon Hobby is accessible and competent

If you are looking for exchange or have questions, you can quickly find like-minded and support.

Alternative products of competitors

Some alternatives are present in the market segment of small, powerful EDF jets:

The SR-71 impresses with its original fidelity, twin-EDF configuration and the combination of telemetry and stabilization technology. Anyone who places value on technology and scale look will find it here.

Value for money

The model offers an exceptional value for money:

• High quality processing
• Extensive features (AS3X, SAFE Select, Telemetry)
• Low installation cost
• Spare parts supply and community support

In relation to other models of the performance class, the price is absolutely fair, especially as many extras (such as receivers, servos, ESCs) are already included.

Tips, tricks, recommendations, improvements and optimizations

Optimum performance and durability with these recommendations:

• Batteries: Use only high quality 4S 2200mAh 30C-40C LiPos for full power and safe power supply.
• Start/Landing: Choose aeroplane with a smooth surface as possible, since the bow suspension is more sensitive than with larger jets.
• Telemetry: Live data can be read with compatible spectrum transmitters – use this to evaluate battery life and system health.
• Flight modes: For the first flight, the SAFE Select mode is recommended for more safety. Advanced users can fly AS3X alone or without stabilizers.
• Color accents: The included, optional red fins increase visibility and facilitate orientation.
• Care: After flights control the jet for damage, especially on the bow and the fins. EPO is robust, but collisions with obstacles should be avoided.
• Transport: Fins and nose prefer to remove to avoid damage during transport.

Upgrade tip: If you want more realism, you can retrofit cockpit details or add the light system.

Popular questions, problems and solutions

1. Is the model eligible?
No, performance and flight behavior require experience with fast jets. SAFE Select helps, but does not replace basic knowledge.

Two. Which battery size is ideal?
Recommended are 4S 2200mAh LiPos with at least 30C. Larger batteries can fit, but increase weight.

3. How long does the suspension last?
On smooth asphalt it is durable. Rough landings or grass damage the small tire in the long term.

4. How does binding work with the transmitter?
Easy: The DSMX/DSM2-compatible transmitter must be in bind mode, the model is switched on – the rest is done according to the instructions. Telemetry is only available with specific spectrum transmitters.

Five. Are there any improvements to visibility?
Yes, the enclosed red fins significantly increase visibility. Alternatively, striking markings at wing tips help.

6. What to do with power supply problems?
Often bad plug connections or overloaded batteries are the cause. Always use high-quality IC3 connectors and fresh, powerful batteries.

7. Help with spare parts?
The manufacturer and many specialist dealers offer a wide range of spare parts – simply search for item number in the shop or contact support.

What else could interested people?

History of the original: Legend SR-71 is one of the fastest jets in the world. The RC model brings this fascination directly into the hands of ambitious pilots and takes a look at each flight field.

Compatibility: The controller requires a compatible DSMX/DSM2 transmitter. Many modern spectrum models with AirWare software support telemetry.

Accessories: Recommended are a fast charger for LiPos, additional batteries and a solid transport box.

Conclusion

The E-flite SR-71 Blackbird Twin 40mm EDF BNF Basic with AS3X and SAFE Select (EFL02050) is a powerful, authentic and detailed model for advanced RC pilots. With its robust design, state-of-the-art electronics and market-oriented spare parts supply, the model sets standards in its class. If you are looking for a spectacular flight picture, finely tuned control and innovative telemetry, you will get a fascinating overall package. The community, support and a fair value for money make this model an attractive choice for any ambitious jet fan.