The ultimate guide to the E-flite Opterra 2m Wing BNF Basic with AS3X and SAFE Select

In the dynamic world of remote-controlled flight models, the Opterra 2m wing of E-flite has established itself as an impressive model that enthuses both beginners and experienced pilots. This versatile aircraft combines state-of-the-art technology with sophisticated design and offers an impressive flying experience. In this detailed article we look at all aspects of this fascinating flight model and give valuable insights for potential buyers.

Technical specifications and equipment

The E-flite Opterra 2m wing with AS3X technology impresses with its sophisticated technical features and high-quality components. Here is a detailed overview of the most important technical data:

The complete package includes the pre-assembled aircraft with already installed engine, controllers, servos and receivers as well as a detailed product guide. For operation, you additionally need a compatible transmitter, a flight battery and a suitable charger.

Features and features

The E-flite Nurflügler features numerous innovative features that make it a versatile and powerful flight model:

Advanced flight technologies

The heart of the model is AS3X technology (Artificial Stabilization - 3-Axis), which works in the background to compensate for wind influences and turbulence. This ensures precise and quiet flight behavior even under difficult conditions. The optional SAFE Select function provides additional flight safety by automatic self-leveling as well as limiting the angle of inclination and bench, which is particularly valuable for less experienced pilots.

Camera compatibility

An outstanding feature of the Opterra 2m is the possibility to mount up to three different cameras simultaneously. The aircraft is designed for both FPV (First Person View) and HD video recordings so that pilots can create stunning aerial images. The corresponding mounting stations are already integrated, the camera equipment itself is available separately.

Built-in design

The carbon fiber reinforced hollow core construction with the robust Z-foam material ensures high stability while at the same time low weight. The vortex generators on the wings improve slow flight stability and control at low speeds. The modular design with removable wing and Winglet segments considerably facilitates transport.

Flight performance and flight characteristics

The E-flite Opterra 2m offers an impressive range of flying properties that goes far beyond what one would expect from a typical single-wing model.

Versatile flying properties

The aerodynamic design of the Opterra allows an exceptionally wide range of performance – from relaxed gliding to dynamic sports flights to challenging acrobatic maneuvers. Thanks to the design of aviation experts such as George Hicks and Mike McConville, the only wing has excellent flying properties in a variety of wind conditions.

Increased power

With its powerful 1300Kv brushless motor and efficient folding propeller, the Opterra 2m offers an impressive climbing performance. Pilots report on steep, powerful climbing, which works reliably even in difficult conditions. Particularly remarkable is the ability to quickly gain height to reach Thermik and then to go into the glide flight.

Flight times

Flight times vary depending on the battery used and flight style, but are typically between 15 and 25 minutes. Even longer flight times can be achieved with quiet thermal flying. With a high-quality LiPo battery with 3S 2200-3200mAh or 4S 2200mAh, optimal results can be achieved.

Assembly, transport and handling

Construction and preparation

The Opterra 2m is delivered as a Bind-N-Fly Basic model, which means that most components are already pre-assembled. The final assembly is mainly limited to the assembly of the wing parts and winglets as well as the attachment of the receiver. For an experienced model builder, this process takes about 30-45 minutes. The attached guide is clearly structured and contains detailed illustrations that also make newcomers easier to assemble.

Transport capacity

A special advantage of the only wing design is the excellent transport capability. Due to the modular design with plug-in wing and Winglet segments, the Opterra 2m can be easily disassembled into its components and transported in a space-saving manner. This makes it an ideal companion for model flyers who want to explore different flight areas.

Target group and application areas

E-flite's advanced flyer is aimed at different groups of model flyers:

Who is the model suitable for?

• Advanced Beginners: Thanks to the SAFE Select technology, even less experienced pilots can safely fly with this model and expand their skills.
• Experienced pilots: The wide power range and the possibility to perform acrobatic maneuvers make the only wing interesting for versed model flyers.
• FPV and aerial art enthusiasts: The possibility to mount multiple cameras makes the model particularly attractive to pilots who want to create aerial images.
• Thermikflieger: The good sliding properties and the quick-reaction handling enable extended thermal flights.

Typical applications

• Sporty flying and simple acrobatics
• FPV Flys (First Person View)
• Photography and Videography
• Thermal and slope flies
• Relaxed cruise in medium height

Experience reports and customer reviews

The feedback from owners of the E-flite Opterra 2m wings is mostly positive and highlight various aspects of the model:

Positive experiences

Many pilots praise the excellent flight characteristics and versatility of the model. The combination of stability and maneuverability is often highlighted. An owner describes: "The Opterra flies like on rails, even in windy winds, but if you want it, you can also convince him to amazing manoeuvres."

AS3X technology consistently receives positive reviews for its ability to balance turbulences and ensure calm flight behavior. The SAFE Select function is also estimated by beginners who can develop their flight skills step by step.

The camera mounting possibilities are especially praised by aerial design enthusiasts. A user reports: "I could easily mount my GoPro and an FPV camera at the same time and the recordings were remarkably stable despite the speed."

Critical notes

Some pilots report challenges when landing the only wing, especially on uneven terrain. Due to the lack of a chassis and the underlying landing, wear phenomena can occur on the underside.

In some cases, there are comments on the quality of the material, in particular in the connection points of the wing segments, which can show wear phenomena with frequent assembly and disassembly.

Material quality and durability

Construction and materials

The high-performance front wing is made from the proprietary Z-foam material of E-flite, which is characterized by good strength with low weight. The strategically placed carbon reinforcements in the hollow core construction ensure additional stability at the critical points.

The pre-installed digital metal transmission servos provide precise control and long-term reliability. The Brushless external rotor motor with folding propeller is designed for performance and longevity and offers a balanced ratio of thrust to weight.

Spare parts supply

The spare part supply for the Opterra 2m is good. As a product of an established manufacturer such as e-flite, spare parts are available via various dealers and online shops. Particularly frequently asked parts such as propellers, winglets and servos are generally readily available. The modular design also facilitates repairs, since damaged components can be exchanged individually.

Community support and resources

The Nurflügler benefits from an active community that shares experiences, tips and modifications. There are numerous forums and social media groups where owners can exchange views. In addition, many pilots provide flight videos and tutorials online that provide valuable insights into the optimal use of the model.

E-flite itself offers extensive support materials, including detailed instructions, spare parts catalogs and maintenance tips. The technical customer service of the manufacturer is also described by many users as helpful and responsive.

Compared to competitors

To give a comprehensive picture, it is worth looking at similar models from other manufacturers:

Alternative single wing models

Zorro Wing from ZOHD: A low-cost entry wing with a slightly lower span. Provides good basic functions, but does not have the advanced stabilisation systems of the Opterra. Advantage: lower price. A disadvantage: less robust construction and more restricted flight characteristics.

Phantom FX-61 from Sonicmodell: A popular FPV wing with similar size. Costs less than the E-flite Nurflügler, but does not offer comparable stabilization systems. Advantage: large community with many modification options. A disadvantage: less precise control with demanding flight conditions.

Ritewing Zephyr II: A high-end jumper for experienced pilots with high speed and maneuverability. Teurer than the Opterra 2m. Advantage: exceptional performance at high speeds. Disadvantage: requires more flight experience and is less beginner-friendly.

Compared to these alternatives, the E-flite Opterra 2m positions itself as a balanced mid-range option that combines advanced technology with good accessibility.

Value for money

The advanced single wing of E-flite is located in the middle to higher price range. However, the price-performance ratio can be rated as good when considering the included technology and the quality of the components.

The components already installed such as the brushless motor, the 40A controller, the digital metal transmission servos and the spectrum AR631 receivers with AS3X and SAFE Select technology are particularly valuable. The purchase of these components as individual parts would significantly exceed the price of a cheaper "naked" model.

For pilots who value reliable technology and versatile applications, Opterra 2m is a rewarding investment. The longevity of the materials and the good spare parts supply additionally increase the value of the model over time.

Tips, tricks and optimizations

Flight optimization

Focus adjustment: The precise setting of the focus is crucial for optimal flight characteristics. carefully experiment with small adjustments to find the ideal handling for your personal flight style.

Expo settings: For gentler control reactions, experienced pilots recommend adjusting moderate exposure values on the control channels, typically between 15-30%.

Country approach: Practice flat, long-drawn approach techniques. Reduce speed step by step and keep a constant sink rate to reach gentle landings.

Technical improvements

Battery optimization: Experiment with the positioning of the battery to fine tune the focus. Many pilots prefer a slightly head-load focus for better stability.

Reinforcements of wing connections: When used intensively, it may be useful to amplify the connecting points of the wing segments with thin glass fiber fabric and epoxy resin.

Camera mount: Use vibration-damping material when mounting cameras to ensure blurred recordings. Neoprene foam or silicone dampers have proven themselves.

Propeller upgrades: A high-quality replacement propeller can improve efficiency and smooth running. Pay attention to the recommended size and gradient.

Frequent questions and solutions

setup and configuration

Question: How do I activate the SAFE Select function?
Solution: The SAFE Select function can be activated during the binding process. Hold the Bind button while you turn on the receiver, and then follow the instructions in the user manual. After the binding, you can switch between SAFE-activated and deactivated state with an assigned switch on the transmitter.

Question: Which stations are compatible with the Opterra 2m?
Solution: The single wing can be used with all spectrum DSM2/DSMX compatible transmitters. At least 6 channels are required to use all functions including SAFE Select.

Flight characteristics

Question: My model moves to one side. What can I do?
Solution: First check the trim settings of your transmitter. If the problem remains, check the correct alignment of all rows and their neutral position. For mechanical problems, fine tuning of the linkages may be necessary.

Question: How can I extend the flight time?
Solution: Use thermal and wind up if possible. Fly with reduced gas settings and avoid frequent full gas passages. Experiment with different battery capacities, taking into account that larger batteries offer longer run times, but also increase the total weight.

Maintenance and repair

Question: The wing joints loosen after frequent erosion and degradation. How do I fix it?
Solution: A small strip of adhesive tape at the junctions can improve fit accuracy. If wear is stronger, the connecting points can be easily reinforced with thin-liquid second adhesive – eighth However, they do not limit the mobility of the connections.

Question: How do I repair small damage to the Z-foam material?
Solution: Small cracks can be repaired with special foam adhesive or UHU POR. For deeper damage, a combination of light balsa wood is proven as reinforcement and foam adhesive. After drying, the repair site can be laminated with suitable color.

Conclusion: A versatile high-profile for ambitious model flyers

The E-flite Opterra 2m Wing BNF Basic with AS3X and SAFE Select technology is an excellent choice for model flyers looking for a versatile, powerful single wing. With its combination of advanced stabilization technology, robust design and impressive flight characteristics, it offers an exceptional flight experience for a wide range of applications.

Particularly noteworthy are the camera mounting possibilities, the modular transport capability and the broad performance range from relaxed sliding to dynamic sports aviation. The pre-installed quality components and the sophisticated design justify the price and make the Nurflügler a rewarding investment for ambitious pilots.

Whether you are looking for a reliable FPV platform, want to make spectacular aerial photographs or just want to enjoy the joy of dynamic flying – this advanced wing offers the technical requirements and the necessary flexibility to meet your flying ambitions.