E-flite P-39 Airacobra 1.2m BNF Basic: The ultimate RC flyer in the test

The world of remote-controlled aircraft always offers fascinating models that inspire both beginners and experienced pilots. One of these remarkable models is the P-39 Airacobra by E-flite on a scale of 1.2m, equipped with state-of-the-art technology such as AS3X and SAFE Select. In this detailed article we illuminate all aspects of this scale aircraft, from technical data to customer reviews to practical tips for the operation. Whether you are playing with the idea of buying this model or simply want to learn more about its characteristics – here you will find all relevant information.

Technical data and specifications

The E-flite P-39 Airacobra 1.2m BNF Basic with AS3X and SAFE Select (EFL9150) convinces with its detailed replica of the historical model and modern flight technology. Here is an overview of the most important technical data:

The BNF (Bind-N-Fly) Basic format means that the model is already equipped with all necessary components except transmitter and flight battery. The pilot only has to connect its compatible transmitter to the integrated receiver and use a suitable battery to be ready.

Customer reviews and experiences

The Airacobra of E-flite is highly appreciated in aviation circles, as numerous feedback from enthusiastic customers shows. The following aspects are highlighted particularly frequently:

Flight behaviour: Pilots are thoroughly impressed by the stable flight behaviour of P-39. AS3X technology effectively balances wind blows and ensures precise control behavior. Beginners particularly appreciate the SAFE Select function, which can be switched on as needed and ensures additional stability.

Optics and detail: The faithful reproduction of the historical P-39 Airacobra reaps much praise. From cockpit design to surface details – the model convinces scale enthusiasts on a whole line.

Robustness: Many users report that the model also puts small accidents away well. The materials used are high quality and are designed for longevity.

However, there are also critical votes. Some pilots report:

Landing speed: The relatively high landing speed requires some exercise and a sufficiently large landing area.

Weight: With around 1500 g, the model is not a lightweight, which leads to an increased surface load, especially in wind stills.

Battery life: The average flight time of 6-10 minutes is perceived by some as too short, with this being a general topic for electrically operated model aircraft.

Test results and performance

In extensive tests, the E-flite P-39 Airacobra 1.2m has proven to be a versatile model. The flight properties were tested in various scenarios:

Increased power: With a 4S battery, the model reaches impressive climbs. With full gas, the Airacobra climbs almost vertically into the sky. Even with the recommended 3S battery, the climbing performance for most flight maneuvers is more than sufficient.

Art skills: Despite its scale character, the P-39 dominates basic art-flight figures such as roles, loops and turns effortlessly. For more demanding 3D maneuvers, however, it is only suitable to a limited extent due to its true scale design.

Speed: In horizontal flight, the model reaches considerable speeds. With a 4S battery, realistic flights with a high speed are possible, which corresponds to the model.

Slow flight: Thanks to the effective flaps and AS3X stabilisation, the Airacobra can also fly astonishingly slow and controlled – an important feature for realistic landings.

Material quality and processing

The processing quality of the E-flite P-39 Airacobra convinces on the whole. The manufacturer uses the following materials:

hull and wings: High-quality EPO foam with reinforced areas at particularly stressed areas. The material is light, yet robust and can be repaired well in case of damage.

Suspension: The retractable suspension is made of sturdy metal and is designed for typical loads during start and landing.

Connecting elements: Carbon fiber-reinforced components provide additional stability at critical connecting points such as the support surface connection.

Surface: The painting and marking is detailed and resistant to normal signs of use.

The well-thought construction, which represents a good compromise between stability and weight, should be highlighted in particular. The electronic components are cleanly installed and easily accessible for maintenance work.

Flight times and energy management

The flight time of the P-39 Airacobra depends strongly on the battery used and the flight style:

With 3S 2200mAh: About 6-7 minutes in mixed flight style
With 4S 3000mAh: Up to 10 minutes possible, but with higher departure weight

Experienced pilots can optimize flight time through skillful energy management:

• Climbing flights with full gas, idling
• Use of Thermik on suitable days
• Prevention of permanent full gas operation

A practical tip is the acquisition of several batteries to minimize the ground time between the flights. The charging time of a typical 3S battery is about 60-90 minutes with a modern charger.

Transport and storage

Thanks to the sophisticated design, the transport of the E-flite Airacobra is relatively easy:

Dismantling: The supporting surfaces can be separated from the hull with few handles, which makes transport considerably easier.

Space requirements: In the disassembled state, the model fits into a medium-sized car or special transport bags for model aircraft of this size class.

Transport protection: For protection, it is recommended to use foam padding or special transport cases for the support surfaces.

For longer-term storage, some points should be considered:

• Always remove battery and store separately in the partially charged state (about 50%)
• Keep model in a dry place protected from direct sunlight
• Regular check for deformations or damage

Spare parts supply

The spare part supply for the Bell P-39 model is well organized. As part of the Horizon Hobby Group, E-flite offers a comprehensive range of spare parts:

Availability: The most common wear and repair parts are permanently available from specialist dealers and online shops.

Compatibility: Many electronic components are compatible with other E-flite models, which simplifies spare parts maintenance.

Price level: The spare part prices move in the middle segment – not cheap but appropriate for quality.

Particularly frequently requested spare parts are:

• Propellers and spiders
• Chassis parts
• Servos for rowing and flaps
• Small parts such as distractions and rudder horns

Experienced pilots recommend ordering critical spare parts such as propellers even when buying the model, in order to be able to react immediately with small failures.

Target group and requirements

The E-flite P-39 Airacobra 1.2m BNF Basic with AS3X and SAFE Select is aimed at a clearly defined target group:

Ideal pilots:

• Advanced beginners with first experiences in handling surface models
• Advanced pilots looking for a good-natured scale model
• Lovers of historic aircraft with interest in World War II

Less suitable for:

• Absolute beginners without any flying experience
• 3D art flight pilots who want to fly extreme maneuvers
• Pilots with very limited budget

The requirements for the pilots are moderate. Basic knowledge of the use of surface models should be available, with SAFE technology also offering less experienced pilots a safety net. A suitable airfield with sufficient space for start and landing is required.

Construction and preparation

Thanks to the BNF format (Bind-N-Fly), the assembly of the Airacobra is relatively easy:

Time: About 1-2 hours from unpacking to the first flight
Toolkit: Minimal – Screwdriver, Inbus key, Second glue

The enclosed instructions are clearly and understandably guided by the assembly process. Particularly positive:

• Detailed images of each step
• Clear explanation of the focus
• Detailed statement on the establishment of SAFE technology

The guide is available in several languages, including German. In addition, the manufacturer offers online resources such as video tutorials that further facilitate assembly.

Community support and online resources

Around the Bell P-39 model, an active community has developed that provides valuable support:

Forums and groups:

• Numerous RC forums with special threads to the model
• Facebook groups for e-flite pilots
• YouTube channels with flight videos and tips

Manufacturer support:

• Detailed FAQ section on the E-flite website
• Technical support via email and phone
• Regular firmware updates for the electronic components

The community will share experiences on tuning options, flight tips and problem solutions. Especially for beginners, this exchange of experiences is of invaluable value.

Alternatives and competition comparison

In the segment of historical Warbird models with similar size and equipment there are some remarkable alternatives to E-flite P-39 Airacobra:

FMS P-51D Mustang 1.2m:

• Similar size and price class
• Better art skills
• Less advanced flight stabilization

E-flite P-47 Thunderbolt 1.2m:

• From the same manufacturer portfolio
• More robust flight behavior, but slightly more difficult
• Comparable electronics and equipment

Dynam P-40 Warhawk:

• Cheaper alternative
• Less detail and simpler electronics
• Low material quality

In a direct comparison, the Airacobra scores particularly through the combination of historical authenticity, advanced electronics and balanced flight behavior. The AS3X and SAFE technologies lift them from many competitive models and justify the somewhat higher price.

Value for money

The E-flite P-39 Airacobra 1.2m is positioned in the middle to upper price segment of the RC aircraft of this size class:

Prices:

• Higher than simple foam models without brand technology
• Comparable with other quality models of well-known manufacturers
• Justified by the extensive equipment

The price-performance ratio can be rated as good to very good, taking into account the following factors:

Positive value factors:

• High quality preassembled construction
• Integrated AS3X and SAFE technology
• detailed scale optics
• Durable materials and good spare parts supply

Cost drivers:

• Additional investments necessary in transmitters, batteries and chargers
• Recommended spare parts increase total investment

For ambitious beginners and advanced players, the model represents a rewarding investment that convinces with longevity and flight fun.

Tips, tricks and optimizations

Experienced pilots have developed numerous possibilities for improvement and tricks for the optimal use of Bell P-39:

Flight optimization:

• fine tuning of the focal point for better flight behaviour
• Adjustment of rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder rudder
• Programming of flight phases in the transmitter for different situations

Hardware upgrades:

• Installation of a more powerful engine for more thrust (for experts)
• Use of high-performance servos for more precise control
• Installation of a telemetry system for real-time flight data

Maintenance tips:

• Regular checking of all moving parts for ease of use
• Protection of plug connections with suitable adhesive tape
• Control of the propeller on damage before any flight

Tuning options:

• Adjustment of propeller size for more performance or longer flight time
• Installation of LED lighting for better visibility and scale optics
• Add additional scale details for even more realistic appearance

These optimizations should be implemented step by step depending on the level of experience in order not to negatively influence the flight characteristics.

Frequent questions and solutions

In dealing with the E-flite P-39 Airacobra 1.2m BNF Basic with AS3X and SAFE Select, specific questions and problems regularly arise for pilots. Here are the most important solutions:

Question: Which transmitter is compatible?Answer: The model is compatible with all transmitters that support the DSMX spectrum. These include various models from spectrum itself, but also compatible transmitters from other manufacturers.

Problem: The model responds to tax inputsSolution: Check the settings of AS3X technology and reduce the attenuation values. A false focus can also cause slow flight behavior.

Question: How long does a battery last in normal flight operation?Answer: With a recommended 3S 2200mAh battery, flight times of 6-8 minutes are realistic for mixed flight operations. With a 4S battery the performance increases, but the flight time remains similar.

Problem: The retraction suspension works unreliableSolution: Check the cabling and power supply of the suspension servo. Often, cleaning and light lubrication of the mechanical components also helps.

Question: Is the model suitable for the use of a camera?Answer: Yes, with restrictions. Light action cameras can be mounted, however, the additional weight should be compensated by appropriate focus adjustment.

Problem: Sudden drop in performance during flightSolution: This usually indicates an undervoltage of the battery. Use a battery with higher C rate or configure the controller to a previous undervoltage shutdown.

Question: Can the model be flown with wind?Answer: Thanks to AS3X technology, the P-39 makes light to moderate wind good. However, at wind speeds above 15-20 km/h, flying becomes increasingly demanding.

Conclusion: For whom is the Airacobra suitable?

The E-flite P-39 Airacobra 1.2m combines historical design with modern flight technology and thus addresses a wide audience. Particularly suitable for:

• pilots with basic knowledge that seek a good-natured yet demanding model
• Interested in history, valued on scale details and historical authenticity
• Technology enthusiasts who want to use the advantages of modern flight stabilization systems

The model convinces with its versatility – it can be used both for cozy scale flights and for more dynamic maneuvers. The high-quality processing and sophisticated design promise long-lasting flight fun.

With a fair value for money, good spare parts supply and an active community, the Airacobra represents a rewarding investment for ambitious RC pilots. The combination of historical charm and modern technology makes it a special model in the growing market of electric aircraft.