The ultimate analysis of the Hangar 9 P-51D Mustang 20cc ARF model aircraft

In the world of RC model aircraft, the Hangar 9 P-51D Mustang is a remarkable piece of aviation history in the 20cc version. This impressive almost-Ready-to-Fly (ARF) model in 1/6 scale with a span of 69.5 inches (approximately 1.76 m) is a detailed replica of the legendary Mustangs, from the 375. Hunting squadrons were used in World War II. As a lover of Warbirds or advanced model pilot, this premium model aircraft offers a combination of historical authenticity and impressive flight performance.

In this detailed article we consider all relevant aspects of this remarkable model aircraft, from technical specifications to customer experience to practical tips for optimizations and alternatives on the market.

Technical data and specifications

The P-51D Mustang model by Hangar 9 convinces with its comprehensive technical features:

This high-quality Warbird model provides an impressive basis for various drive options, whether with a burner or electric motor, and allows the model manufacturer to configure the Mustang according to their own ideas.

Customer reviews and reviews

The feedback culture in the RC model building community shows a predominantly positive image of the Mustang model. Considering the experience reports of various pilots, several recurring topics emerge:

Positive experiences:

Most pilots praise the excellent flight behavior of the model. Particular emphasis is placed on the stability in the air as well as the authentic flight situation that is very close to the original Warbird. The Mustang reacts precisely to control commands and conveys a safe flight feeling, even with more demanding maneuvers.

Another plus is the high-quality pre-production of the ARF model. The precision of fit of the components and the quality of the components are repeatedly mentioned positively. Many buyers particularly appreciate the authentic war painting, which is the historical model of the 375. Hunting squadrons are found.

Challenges:

Some pilots report difficulties in setting priorities. Here, experienced users recommend that they be particularly careful and, where appropriate, make adjustments to the battery or motor position.

Another point is the assembly of the suspension, which can be a bit more demanding than other models. Especially the retractor requires precise adjustment and careful installation.

Based on the compiled reviews, the model aircraft achieves an average rating of 4.5 out of 5 stars, which is remarkable for a complex Warbird in this order.

Test results and flight performance

The following findings on flight performance can be derived from available test reports and video analyses:

Flight properties:The Mustang shows a balanced flight behaviour with good stability and sufficient agility for true-scale flight maneuvers. With appropriate motorization, impressive low-passes and scale-flight figures are possible that meet the historical model.

Ascending power:With the recommended 20cc motorization, the model shows an impressive gradient. In test flights, the Mustang reached steep slopes without recognizable power loss, which is particularly advantageous when starting with shorter lanes.

Flight times:The flight time varies according to the selected drive concept:

• With a 20cc petrol engine, flight times of 15-20 minutes are realistic
• With electric drive with a 6S LiPo battery (recommended the Power 60 1800W) about 8-12 minutes are possible, depending on flight style and battery capacity

Land properties:The Mustang shows good-natured landing properties with sufficient buoyancy at low speeds, which makes the landing phase controllable even for less experienced pilots. The suspension absorbs smaller unevenness on the runway well.

Several Maiden flight videos, including a documented first flight from 2021, show a stable and controllable flight behavior already at the first start.

Material quality and design

The construction of the Mustang model deserves special attention:

The model aircraft is made of light balsa wood and plywood, which provides an optimal balance between weight and stability. The surface is covered with a high-quality, pre-printed film that gives the aircraft an authentic appearance and at the same time protects them from the effects of weather.

The large access hatch on the upper side, which allows a comprehensive access to the interior from the cockpit to the motor wall, is particularly noteworthy. This well-thought design considerably facilitates both the installation of the components and subsequent maintenance work.

The included hardware package is complete and offers all necessary components for the various recommended drive options. The accuracy of fit of the parts is generally considered very good, which simplifies assembly and leads to a stable final result.

Transport and storage

For transport, the Mustang with its 69.5 inch span offers some challenges, but these are mitigated by sophisticated design features:

Transport solutions:The support surfaces are designed to be removable, allowing transport in an average car. For safe transport, experienced pilots recommend special transport bags or self-built transport boxes with appropriate padding.

Storage:For long-term storage, a dry, temperature-stable space should be chosen. The model can be stored in a space-saving manner with disassembled support surfaces. Many users build simple wall mounts to keep the model safe and decorative.

A practical feature: The modular design allows the model to be assembled quickly and without complicated tools, which significantly improves transportability.

Spare parts supply

An important aspect for the long-term pleasure in the model is the availability of spare parts. Here is a mixed picture:

Standard components such as servos, articulations and motor/electro components are readily available via the normal RC modelling specialist trade. The situation is more differentiated for specific parts of the kit such as car hood, engine hood or support surfaces.

Some sources indicate that the model may no longer be produced in the original form, which could lead to bottlenecks in specific spare parts in the long term. However, the active community has developed proven alternatives:

• 3D printing for smaller components such as cockpit details or brackets
• Exchange of experience in repairing and self-producing certain parts
• Identification of compatible parts of other models

Target group and requirements

The Hangar 9 P-51D Mustang 20cc model is aimed primarily at:

Advanced model pilots with experience in handling larger Warbird models. The flight properties require a certain degree of skill, especially when starting and landing.

Scale enthusiasts and Warbird loversthe value of historical authenticity and impressive flight behaviour. The model offers an excellent basis for further scale detailing.

Model builder with experience in handling ARF kits. Although assembly is simplified by pre-production, it nevertheless requires craftsmanship and understanding of the technology.

This model is less suitable for absolute beginners due to its size, value and complexity. Here it is recommended to start with a smaller, less demanding model.

Assembly and construction instructions

The construction of the Warbird model is as follows:

Time required:Experienced model builders need about 15-20 hours for complete assembly. This time frame can vary depending on the selected drive option and individual experience.

Construction instructions:The included construction instructions are mainly described as clearly structured and comprehensible. It contains detailed step-by-step instructions with helpful illustrations. The various drive options are particularly well documented with corresponding installation instructions for burners and electric motors.

Challenges:The most demanding sections of assembly are:

• The precise installation of the suspension (especially in the retractor option)
• The correct arrangement of servos and linkages
• Focus adjustment after installation of all components

A great advantage of the kit is the extensive hardware package that contains all the necessary small parts for the various recommended drive options, which simplifies assembly and minimizes additional purchases.

Community support

The community around the Mustang model is active and helpful:

In various RC forums and groups there are numerous discussions and reviews on the model. Especially on video platforms there are detailed construction and flight videos that provide valuable tips for newcomers.

Special Facebook groups and forums for Hangar-9 models or P-51 enthusiasts provide quick help with questions and problems. The Community is willing to share knowledge of improvements, adjustments and solutions for well-known challenges.

There are often meetings of warbird pilots where experiences can be exchanged and newcomers can find support.

Alternatives and competitive products

On the market for large-scale P-51 Mustang models there are several alternatives worth a comparison:

Top Flite P-51D Mustang Giant Scale Kit:

• Sizer with 84" span (2.13 m)
• Higher level of detail, but also more complex structure
• Available as kit (not ARF), means more construction effort
• Trendy higher price

FMS P-51D Mustang V8:

• Small with 1450 mm span
• Faster assembly due to higher pre-production
• Designed only for electric drive
• Low price, but also less scale details

VQ Models Warbirds P-51D Mustang:

• Comparable size
• Generally cheaper price
• slightly lower material quality compared to the Hangar 9 model
• Less extensive hardware package

In a direct comparison, the Hangar 9 model is positioned in the middle to upper price segment, but offers excellent material quality, historical authenticity and a very good prefabrication.

Value for money

Several factors must be taken into account when assessing the price-performance ratio:

Hangar 9's Mustang model is priced in the middle to top segment for ARF models of this size. A high-quality product with excellent prefabrication, authentic appearance and a comprehensive hardware package is on the other hand.

It should be noted that at the basic price of the model, the cost of the drive (motor/electrical drive), servos, receivers and, if necessary, I'm going to get in. Depending on the quality and equipment chosen, these can significantly increase the overall price.

In the overall view, the model for ambitious pilots who value quality and authenticity offers an appropriate price-performance ratio. For occasional pilots, the ratio between investment and use could be less favourable.

Tips, tricks and optimizations

The following recommendations have emerged in the community for the optimal use and performance of the Mustang model:

Drive optimization:

• In electric drive, experienced pilots recommend installing a cooling system to reduce the operating temperature of the engine and extend the service life
• For burner drive, the DLE 20cc engine has established itself as a reliable option that offers a balanced balance between power and weight

Focus optimization:

• The precise setting of the focus is crucial for good flight characteristics
• Many pilots recommend to adjust the focus rather slightly head-loaded for more stable flight characteristics
• When an electric drive is used, the position of the battery can be used for fine tuning

Control optimization:

• Programming of Expo values at the transmitter for more gentle control characteristics
• Dual Council setting for different flight phases (Start/Landung vs. Art Flight)
• Fine coordination of the rowing paths for scale-to-range flight maneuvers

Optical improvements:

• Installation of a true-scale pilot
• Addition by additional cockpit details
• Weathering techniques for a more authentic appearance
• Attach additional scale details such as antennas, cannons or external load carriers

Practical modifications:

• Reinforcement of the landing gear
• Installation of LED lighting for evening flights
• Installation of a telemetry system for monitoring engine and battery data
• Use of ball head linkages instead of standard fork heads for more precise control

Frequent questions and problems

The community regularly discusses certain issues and challenges relevant to buyers:

Question: Is the model suitable for beginners?Answer: The Mustang model is primarily designed for advanced pilots. The size, value and flight characteristics of a Warbird require experience in handling more complex model aircraft. Beginners should first gain experiences with simpler models.

Problem: Vibrations when using certain motorsSolution: The right motor suspension is crucial. It is recommended to use high-quality vibration damper and careful balancing of the propeller. In the case of burner drives, the additional amplification of the motor carrier construction has proved successful.

Question: Which servos are best suited?Answer: High-quality digital servos with a minimum of 6-8 kg/cm are recommended for rowing and crossovers. Servos with a higher actuating force of 10-12 kg/cm are advisable for the high-rise and the landing flaps, especially in frequent landing flap operations.

Problem: Difficulties in focusingSolution: For electric drive, the position of the flight battery can be used for fine tuning. In burner drives, it is recommended to use lead weights in the front area, which should be securely fastened. A precise focus scale is essential for correct adjustment.

Question: Availability of spare parts?Answer: While standard components are readily available, the availability of specific components could be restricted in the long term. It is recommended to provide critical components such as cabin hood or hood as a replacement. The community also offers solutions for self-made spare parts.

Problem: Creation of cracks in highly stressed areasSolution: Preventive reinforcement with fiberglass fabric and epoxy resin at known vulnerabilities such as chassis mounts and surface transitions. Regular inspection and early repair of microcracks prevents greater damage.

Conclusion

The Hangar 9 P-51D Mustang 20cc ARF in the 69.5-inch version represents an excellent choice for model pilots looking for an authentic Warbird experience. With its combination of historical loyalty, high-quality processing and impressive flight characteristics, this model offers a comprehensive package for ambitious RC enthusiasts.

Particular emphasis should be placed on the flexibility of the drive selection, which allows the model to be configured with both burner and electric drive. The high-quality prefabrication and the extensive hardware package facilitate assembly and lead to a robust, durable model.

For advanced pilots with Warbird experience, this mustang model offers a balanced relationship of investment and long-term flight fun, which is enhanced by active community support.

If you are looking for an authentic piece of aviation history in the form of a high-quality RC model, this Warbird will make a sound decision that promises many years of pleasure in the model flight.