RCU Review: Hangar 9 P-51D Mustang 150 E-Conversion

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    Contributed by: Greg Covey | Published: May 2007 | Views: 104677 | email icon Email this Article | PDFpdf icon
    Hangar 9 P-51D

    Review by: Greg Covey
    Flying Photos: "Papa Jeff" Ring
    Video Pilot: Lynn Bowerman


    Dealer Info

    Hangar 9 Models
    Distributed Exclusively in the U.S.A. by:

    Horizon Hobby, Inc
    4105 Fieldstone Road
    Champaign, IL 61822
    Ph: (800) 338-4639
    Toll Free: (800) 338-4639
    Fax: (217) 352-6799

    Ease of Assembly


    Complete Kit with Retracts
    Superb Flying Performance
    Very Scale Appearance
    Spare Parts Available
    Quick Easy Assembly
    Easy Electric Conversion


    Poor Quality short linkage rods for ailerons and flaps

    Manual is well written but lacks detail in some areas

    Hangar 9 150 Size P-51D Mustang

    The new 150-size P-51D Mustang ARF from Hangar 9 is now available at Horizon Hobby or your local hobby shop.
    Typically, the model is powered by a Saito 220 4-stroke engine or Evolution 26GT gas engine. For my review, I'll be converting this classic warbird to electric power with an E-flite Power 160 brushless outrunner motor and a Castle Creations Phoenix HV110 electronic speed controller (ESC).


    • Wing Span: 80 in (2032mm)
    • Overall Length: 68.25 in with spinner
    • Wing Area: 1100 sq in (71 sq dm)
    • Wing Loading: 32.7 ounces per square foot
    • Flying Weight: 15.62 lbs
    • Engine Size: 1.20-2.10 2-stroke
    • Engine Size: 1.2-2.20 4-stroke
    • Engine Size: 23-26cc gas
    • Motor Size: 2500-3000 watts
    • Radio: 6-channel
    • Servos: 10 Servos, 8 standard high torque (54 oz/in or more), 2 low profile, hi-torque (JRPS791) retract servos
    • Wing Loading: 32.7 ounces per square foot
    • Prop Size: 16 x 8 - 18 x 8
    • Spinner Size: 5 inch P-51 Spinner
    • Hardware Included, Flaps, Retracts

    Hangar 9?s 80-inch giant-scale-legal P-51D Mustang 150 ARF is a full-throttle scale flying experience perfectly suited for large-scale modelers. The model features UltraTract metal retracts with struts, scale flaps, authentic UltraCote trim scheme and other prototypical details. The level of exceptional scale detail Hangar 9® has built into the P-51D is virtually without equal. From the scale display 4-blade prop and prepainted aluminum spinner all the way to the molded bombs, Hangar 9 has gone the extra mile to produce a World War II fighter that looks as if it really could be raiding Japanese forces in the Pacific theater.

    Key Features:

    • Giant-Scale legal
    • Improved heavy-duty UltraTract metal retracts with struts
    • Sport aerobatic flying characteristics
    • Scale flaps for excellent slow-speed handling
    • Remarkable scale detail including bombs
    • Prepainted aluminum spinner (for static or actual use)
    • Accurate UltraCote trim scheme

    Spektrum DX7 Radio


    My radio system in the P-51D will be the Spektrum DX7. The Spectrum DX7 is a full-range, full-performance Spread Spectrum radio system that can fly anything from small electrics, to gas-powered IMAC planes, to turbine jet models, without regard to frequencies or available pins. The packaging and 108 page manual are top notch! Based upon the JR 7202 midrange sport radio, the 20-model DX7 transmitter is full featured. It has all the programming capabilities to satisfy the demands of my P-51D project and the majority of R/C modelers.

    The DX7 is packed with new features like ServoSync (lower latency), ModelMatch (prevents flying wrong model), and is compatible with the existing AR6000 receivers. The DX7 package (SPM2710) comes with four powerful 72oz/in DS821 Digital Sport Servos, a 1500mAh NiMH transmitter battery, 4.8v 1100mAh NiCD receiver battery, Tx/Rx dual wall charger, and On/Off switch harness.

    Why use the DX7?

    * Full Range Performance
    * Glitch-Free / Freq. Pin-Free
    * Fastest Response (lowest latency)
    * Tested in Electrics, IMAC, and Turbines

    My day job as a Systems Engineer has provided me with several decades of experience with radio communications and spread spectrum technology. Since we were already utilizing the benefits of spread spectrum techniques in military and commercial applications, I knew that someday it would revolutionize the consumer market and find its niche in the R/C industry. As a result, I was less apprehensive about trying the DX7 in an expensive application than others in my area have been. Bob Violet Models (BVM) sells and recommends the DX7 for both electric-powered and turbine-powered jet applications. In addition to many successful IMAC giant scale applications, glow and electric helicopter applications, and intense indoor applications where many transmitters operate within a few feet of each other (e.g. JR and Great Planes E-fests), I have not seen or heard of any interference issues.

    While the original DX6 was geared toward smaller electrics and parkflyers with a slightly limited range and noticeable latency issues, the DX7 provides full performance through increased range, redundant dual-channel receivers, and increased system speed. The reduced latency (time from stick movement to servo movement) is now the fastest response time of any other 72MHz PCM radio on the market.

    Instead of requiring a frequency pin to ensure that no one else interferes with your radio, the DX7 scans all 80 channels at 2.4GHz, finds two that are free, and locks onto them before enabling the transmitter. The receiver, which was uniquely ?bound? to the transmitter during the setup procedure, is turned on first and scans all 80 frequencies as well waiting to hear the correct binding code (unique for each DX7 transmitter) in the two channels selected by the transmitter. In this manner, your DX7 transmitter cannot interfere with other radios. Equally important, other DX7 radios cannot interfere with your radio system.

    In addition to worry-free automated channel selection, the AR7000 receiver in the DX7 package has a second smaller receiver attached to a six inch extension cable. By placing the second receiver 2?-6? away from and adjacent (90 degrees opposite) to the main receiver, it can see a different RF environment that may still clearly ?hear? the transmitter when the main receiver has a signal fade. Further, the 2.4GHz radio system is immune to car ignition noise and other RFI (Radio Frequency Interference) noises that are commonly created in a much lower frequency domain. The result of this so-called diversity reception has proven to be the most bullet-proof, glitch-free performance on the R/C market today. Spektrum also has longer extension cables available should you need to mount the two receivers farther apart for added convenience.

    Just when you think the DX7 design is impressive enough, along come new and innovative features like ModelMatch and ServoSync. A personal pet peeve of mine is when I successfully launch a plane into the air and then realize I forgot to change the programmed model on the transmitter. The elevator, rudder, and throttle all worked fine on my ground test by I failed to notice that my ailerons were reversed. This scenario is quite painful and I have done it more than once. The ModelMatch feature in the DX7 embeds a unique code in the receiver during the binding process that remembers the user-programmable models name. If the wrong name is on the screen, the model?s controls simply will not respond. In addition to saving your pride, or plane, the ModelMatch feature can prevent stripped servo gears and broken linkages.

    ServoSync is a new feature to the DX7 that re-sequences the data between the transmitter and receiver based upon the type of mixing you select. This ensures that the servos working together will receive their direction changes together resulting in a synchronized movement that allows the control surface to precisely follow the stick movement without delay. Unlike the latency seen in the earlier DX6 model, performance demanding pilots that use quick stick movements will absolutely love the ServoSync feature and low latency of the DX7.

    My Hangar 9 P-51D will be well protected with the Spektrum DX7 radio system and benefit from the fastest stick-to-servo response in the industry.

    E-flite Power System:

    My power system plan for the P-51D is to use the E-flite Power 160 outrunner motor and a Castle Creations Phoenix HV-110 ESC. This motor/ESC combination will be powered by a 10 to 12 cell LiPo supply and a 4-blade prop for blazing power and scale authenticity. The power level will be around 3000 watts on the 16lb airframe which will provide an awesome 187w/lb!

    The E-flite Power 160 Outrunner Motor is ideal for 160-size sport and scale airplanes weighing 12-20 lbs (5.4-9 Kg), 3D airplanes up to 15 lbs (6.8 Kg), or models requiring up to 2700 watts of power. All the mounting hardware and mating connectors come with the motor.

    The prop adapters mated perfectly with the supplied spinner backplate of my P-51D. The E-flite Power 160 motor comes with two 12mm prop adapters so that the motor can be mounted on either side of a firewall. One is meant to fit over the 8mm drive shaft and the other is meant to attach to the rotating can.

    The supplied 5" spinner can be used with either the static prop display or the real operational prop. It must be cut to fit the blades so you need to decide which prop to use it for. Spare spinners can also be purchased at Horizon Hobby for this model. For my project, I choose to use the spinner for the actual working prop.

    Castle Link Software:

    Years ago, ESCs were not programmable. You were basically stuck with the settings that came with the controller. The first programmable ESCs then used the throttle stick in a series of movements to configure a few settings like BRAKE ON/OFF, MOTOR TIMING, and CELL COUNT. Feedback from the setting change was often heard as a series of beeps from the motor being pulsed at an audible rate. When the flexibility of changing ESC settings became more than just a few parameters, the throttle stick method became complex and cumbersome to use.

    Enter the pure pleasure of using the Castle LINK software! The interface cable can be purchased at Castle Creations and the software can be downloaded from the Castle Creations Web site. After connecting the Castle LINK device to my USB port and a single 6s battery to my Phoenix HV110 ESC, I was able to program the exact settings I wanted into the controller and save the setup to my computer hard drive.

    Two of the Castle LINK features that I found very innovative were that I could not only update the firmware code in my HV110 ESC but I could reverse the motor direction without changing the wires between the motor and ESC! This worked out great for me because I had discovered my motor was spinning clockwise instead of counter-clockwise. I do not have to remove the cowl, cut the tywraps, and swap wires. I have heard that some of the folks flying pattern planes were having Phoenix HV ESC issues on a 12s LiPo supply and Castle Creations has made some recent improvements in operation. It is very convenient to simply download these improvements from the Internet into my P-51D without removing the ESC.

    The photos show the default settings for the ESC. Typically, I disable the brake (Brake Strength = 0%), set the Throttle Type to FIXED, disable the Current Limiting, and set the Cutoff Voltage to a fixed minimum that disables low-voltage cut-off. My philosophy is that I know what I am doing and I want to be in control. Experience has taught me that this type of plane will no longer fly before I deplete the LiPo packs to an unsafe level. The drop in power is very noticeable and it allows me to properly land without undue stress from having the motor stop while in flight.

    Note that this setting scenario will not always apply to all
    types of models or to other modelers.

    For the intermediate level electric flight enthusiast, I recommend the "Auto Li-po" Cutoff Voltage and the "Normal" Current Limiting settings for added safety to the ESC and battery pack.


    The assembly starts by attaching the ailerons and flaps. To attach the ailerons, it is helpful to first drill 1/16" holes in the slots to aid the CA in wicking farther into the surfaces. I also used Dubro (#252) T-pins to keep the hinge centered when pressing it into place. The ailerons hinges were then glued with ZAP Thin CA.

    The flaps were attached by gluing the supplied nylon hinges with epoxy. I first tested the fit and found one hole that wasn't drilled all the way. After drilling the opening longer, the hinges were glued with 5-minute epoxy. Note that the manual calls for using 30-minute to allow sufficient time, if needed.

    Although I didn't see it in the manual, I found two plastic machine gun pieces in the box. With some silver paint and 1/8" brass tubing, you can easily add a scale-looking hop-up to the P-51D without an airbrush.

    The aileron and flap servos installed quickly. After first mounting the hatch blocks with Pacer 5-minute Z-poxy, the DS821 servos were screwed into place. I followed the manual's recommendation for servo extensions and routing the wires to the exit hole that will go inside the fuselage.

    The aileron linkage uses a 2" threaded rod and the flap linkage uses a 1-1/2" threaded rod. A metal clevis and nut was included in the kit for each end of the rod but I added my own keepers from cut fuel line hose. I was pleased to see that control horn mounting for both the flap and the aileron is not visible from the top side of the wing. It is obvious that special attention has been designed into the Hangar 9 P-51D to keep it looking scale.


    The retract installation went well but it did take some thought to properly set up the linkage as the photos in the manual were limited. All the hardware is supplied except for the needed 1/2" machined servo arm (HAN3531). I also added some small plastic spacers between the gear door and the retract. The wheel comes pre-installed onto the strut. The strut assembly is simply pressed into the retract mechanism and then tightened in place.

    The second retract installation was easier after learning from the previous one. By adjusting the length of the small plastic spacers, the gear door can be made to sit perfectly in-line with the wing contour.

    Note that one retract servo is reversed or you must use a reversing Y-harness (EXRA325)

    The second retract installed much easier after learning from the first one. I adjusted one of the plastic spacers between the retract mount and the cover for a perfect alignment with the wing curvature.

    The two wing halves were prepared for joining and then epoxied together. The fit was excellent! Note that three servo control lines exit from each wing half. I labeled each control line near the connector with a sticky-back cable label.

    When mounting the wing, I choose not to use the supplied nylon 1/4-20 screws and tubes. Instead, I used metal Hillman furniture bolts and held them in place with some spare APC prop spacers. The Hillman bolts use a 5/32 hex wrench to tighten. On planes this size, I find myself wanting more wing security and easier installation. The metal Hillman furniture bolts won't stretch or degrade with use. The hex wrench won't slip off like the slotted screwdriver needed for the nylon screws. The fiberglass air scoop needed some slight sanding before being epoxied in place.

    Kool Flight UBEC

    I decided to make a change to my receiver battery. For my P-51D conversion, I will replaced the 4.8v 1100mAh NiCD receiver battery with two Ultimate BECs from Hobby Lobby. The so-called UBEC eliminates the need to keep a separate receiver battery charged as it takes power right from the main flight packs.

    Note that you can simply use a single UBEC if you like. Be sure to use the 5v version as the JRPS791 retract servos do not like running on 6v.

    No need to keep multiple Rx. battery packs charged.

    Dual UBECs

    By using dual UBECs, one UBEC will provide 6v to the receiver and servos while the second UBEC will provide 5v for the three retract servos. In this manner, the control surfaces will have the benefit of higher torque and speed from the 6v, 20 gram, UBEC and the added safety from the isolation of a retract jam.


    JR MatchBox

    By using a JR Matchbox for my 2 retract servos, I can simply plug the retract servos into the 4-channel Matchbox, plug in the 5v UBEC output into the Aux. Batt. jack, and plug in the supplied extension cable (shown left) to channel 5 of my DX7 receiver. Note that the jumper plug with the red wire in the Aux. Batt. jack is removed when feeding external power to the servos instead of using power from the receiver.

    The JR Matchbox is a convenient way to manage power routing and control surfaces using multiple servos.

    MPI Arming Switch

    The wiring harness for my P-51D is greatly simplified by the new 6970 Arming Switch from MPI. It can be mounted right in the fuselage and will either arm or disable my entire power system with a single plug.


    Tail Assembly:

    The rudder and horizontal stabilizer mounting were very easy. The fuselage comes with the vertical stabilizer already mounted so the rudder is simply held in place with CA hinges. The horizontal stab is aligned by two support bars and held with 4-40 screws that need to be tapped after drilling holes.

    This assembly design makes the elevator removable for traveling or storage...if desired.

    Tailwheel Assembly:

    I cut an extra access opening to test the fit of a Robart 121 retract mechanism but discovered that it would not fit due to the existing control rods. The rework would not have been a minor task so I decided to use the stock tailwheel system.

    The stock tailwheel system installed easy but there was some binding on both the tailwheel and the mount on the gear wire that needed to be sanded. I wrapped a small piece of fine sandpaper around a toothpick to lightly sand the insides of the wheel and pre-installed mount holes. I made a few minor modifications to the stock assembly. First, I added a second wheel collar to the inside of the wire to make the tailwheel sit centered under the fuselage. Second, I replaced the stock 8mm screw that tightens the turning arm on the wire with a socket head screw which is much easier to tighten with a hex wrench in the confined area.

    Pilot and Cockpit:

    My pilot for the Hangar 9 P-51D is from Century Jet Models. The lower torso was easily removed with a craft saw as it was originally pieced together at the waist area. I added my own touch-ups to the pre-painted pilot figure and cut the stock plastic cockpit seat from the P-51D detail kit. By adding half of a shoulder strap to the back of the seat, it enhanced the scale look. The control stick was made from a rubber grommet base, grey control tube section, and a hand-cut rubber handle.

    The dash gauge decal was transfered to a piece of cardboard before gluing into the cockpit. I also decided to screw the canopy in place instead of gluing it so I can add further scale details in the future. The canopy screws were colored black with a fine tip marker. Adding simple details like this is a great deal of fun and adds to the scale realism of the warbird.

    Motor Mounting:

    The E-flite Power 160 motor uses a similar x-mount to the AXI 5330 motor. This meant that the nylon spacers and screws from Hobby Lobby could be used to mount the motor in the P-51D. Since the 4" long 8-32 screws were not long enough, I needed to extend the firewall by making a box from 5-ply aircraft grade plywood and hardwood blocks.

    Before mounting the extension to the firewall, I drilled several air holes and mounted #10-24 T-nuts. The extension was coated with epoxy and then screwed into place. I also used some Pacer Z-42 Thread Locker on the 2" long #10 screws. Not shown in the first two photos are two smaller blocks that were glued and screwed into place on each side of the narrow middle section. They can be seen in the motor photos.

    I used 3-1/8" of spacers (two 1" spacers, two 1/2" spacers, one 1/8" spacer) between the x-mount and the firewall extension box. An additional 1/4" spacer was used to take up some screw length so it didn't run into the original firewall. This provided about a 3/16" gap between the spinner backplate and the cowl. The 4" long screws were easily secured by a screwdriver entering the front of the cowl. Again, Pacer Z-42 Thread Locker was used to keep the screws secure.

    The Castle Creations Phoenix HV 110 ESC is an overkill for this application but it makes me feel safer that I will not be pushing the speed control to its limits. The HV 110 ESC can use up to 36 cells NiCd/NiMH or a 12s LiPo pack. The 110 amp current rating can deliver up to 5500 watts (or 7h.p.) of power. I plan to have about 3000 watts of full throttle power in my final setup.

    Before mounting the ESC, it was prepared with a Dean's Ultra male connector and the mating connectors from the E-flite Power 160 motor. It mounted easily between the nylon spacers using a single tywrap. A few extra tywraps were used to hold the wires away from the rotating can. A few extra tywraps were used to hold the wires away from the rotating can. Although it is possible to swap two of the wires to reverse the motor rotation, it was not needed since the Castle LINK software allowed me to reverse the motor direction without changing the wires.

    After mounting the cowl bottom, the spinner backplate was perfectly oriented and extended 3/16" from the cowl. Note that the Graupner 16x8 3-blade prop shown is for testing the power system so I could decide on my final prop size and blade count. At this time, I expect that an 18" 3 to 4 blade or 19" to 20" 2-blade prop is needed on a 10s-12s LiPo pack.

    Exhaust Pipes:


    Another undocumented scale item in my P-51D box was the exhaust manifold. I now believe that these parts, along with the machine gun barrels, are part of the Scale Detail Set. Although the manual has this set as part number HAN4065, the same part number shows up as the scale spinner on the Horizon Hobby Web site.

    I painted the pipes black and added some sticky-back rubber pads to change the shape a bit. The manifolds were attached to the fuselage with three black screws that I supplied. Alternately, you can also glue the manifolds to the fuselage using RC-56 canopy glue.

    MPI Arming Switch:


    The MPI Arming Switch mounted easily in the soft thick balsa area of the fuselage side. I used the supplied screws, washers, and nuts to keep it secure. I re-wired my MPI Arming Switch to eliminate a pair of Dean's Ultra connectors. Since I am using two packs in series to obtain either a 10s or 12s total voltage, I also needed an On/Off switch in-line with the UBEC power inputs.

    Final Hook-up:

    To finish the inside hook-up, I used three JR DS821 digital servos to control the rudder, tailwheel, and two elevator halves.

    The Spektrum AR7000 dual receiver was positioned per the manual recommendations. Remember to re-bind the receiver after all the control surfaces have been set up for their fail-safe positions. When the model has retracts like my P-51, I find it preferable to have the GEAR DOWN position set so that no movement occurs on the flight line when I arm the plane.

    The 5v UBEC feeds power to the retracts via the JR Matchbox. The two retract servo cables then plug into the JR Matchbox. The 6v UBEV for receiver/servo power is under the servo bay.

    The Universal Battery Eliminator Circuit (aka Ultimate BEC, UBEC) is made by Kool Flight Systems and is available through Hobby Lobby. It is an external circuit that taps power from your battery flight pack and regulates the voltage to the necessary 5 volts to power your receiver and servos. It does not replace the speed control. However, it replaces the BEC function in a speed control with much more capabilities.

    • It can handle up to a 29 cell battery pack (35 volts input)
    • It can power up to 8-10 servos (3-5 amps)
    • Newer versions exist for higher input voltages and for 6v outputs

    The JR Matchbox serves several purposes in my setup. It acts as a device for easy power separation for my dual UBEC scheme as I can simply plug the other UBEC power into the isolated power input of the matchbox. In this manner, a retract jam will not take out my receiver and plane control servos. Fortunately, the design of the integrated retract mechanisms in the P-51D will be difficult to jam so a single 5v UBEC could be used for the entire system. Other retract systems that use long linkages with elbows in the middle are more prone to jamming.

    The JR Matchbox also allows me to use the same retract servo for the opposite wing side as it can provide reserving. The alternative is to buy the mating reverse retract servo or use a reversing Y-harness. Finally, when I was considering a third retract servo for my tailwheel, the Matchbox would allow for an easy plug-in of this third servo. Overall, the JR Matchbox is a convenient way to manage power routing and control surfaces using multiple servos.

    Not shown in the photo are the two "Y" harness cables needed for the ailerons and flaps. The flaps use a reversing "Y" harness.

    My 6s and 4s 5000mAh 20C PolyQuest LiPo packs are held in place by Velcro and some foam blocks (not shown). I created a platform for the packs using plywood slats and then glued mating Velcro to the surface. Note that the arrows denote that the packs were moved forward to just behind the firewall for a perfect balance. Only half of the pack should remain visible in this view.

    I decided to create a custom P-51 fuselage holder so that I could use it in my new trailer for traveling as well as on the field benches for mounting the wing. The plane is now easily assembled and the power system completely disarmed until I insert the MPI Arming Plug and turn on the On/Off switch to the radio. There is no movement on any control surface including the retracts.

    Scale Prop:

    My Zinger 18x10 4-blade prop arrived today. Joe Zingali even made the hub hole 12mm (by request) for a perfect fit. The $57 pre-assembled prop costs $67 including shipping. The Zinger 2, 3, and 4 blade props can be purchased in many sizes. Remember to specify the "pro" blades as shown painted below. The older standard blades shown above are not efficient by today's standards.

    The Zinger 4-blade prop was painted black with yellow tips by my friend, Paul Weigand. He also added the Hamilton Standard decals made by Major Decals for an added scale touch. These decals are available from Horizon Hobby (p/n MAJP6WT) or your local hobby shop.

    Note that we added a pin in the prop hub to key the spinner backplate. The black markings in the front help orient all the pieces including the spinner as it is cut to fit the blades and the mounting screw holes. The finished prop and stock spinner looked great!


    The Hangar 9 150-size P-51D is finished and passed the ground testing. We set the control surfaces per the manual but added additional elevator throw and exponential to help combat a possible nose over when landing on grass. In the past, warbird designs like the P-51 would not have the gear mains mounted forward enough to help prevent noseovers. As it turned out, we discovered that the Hangar 9 150-size P-51D had no tendancy to nose over on grass landings.

    The goal for this project was to have a full throttle current between 80-90 amps. This parameter stresses the motor most as it is rated for 80 amps for 15 seconds. Assuming a 10%-15% offloading in the air, and proper air cooling, the P-51 can then burst about 3000 watts for some impressive fly-bys. A 20C 5000mAh pack can deliver 100 amps. LiPo savvy users know that this should really be the burst current setup and that 70% of this marketed rating can actually be used for continuous current delivery. This rule of thumb in today's marketing helps to ensure that 100-300 pack cycles can be obtained.

    The power system measured 3300 watts at 100amps using a 10s (20C) Lipo supply. With a 10% minimum unloading in the air, this puts me right on my target goal of 90 amps with a power level around 200w/lb at an all up weight of 16lbs. I was excited to my warbird in the air!

    Test Flying


    We waited to test fly the Hangar 9 P-51D until a beautiful spring weekend arrived in upstate NY. The P-51D performed very well with the electric power system and easily landed without flaps. Take-offs, landings, and aerobatics were smooth and predictable. The forward positioned gear mains had no tenancy to create a nose over on grass. The torque of the 4-blade prop was impressive, requiring rudder and aileron compensation. The retracts worked great and the built-in struts provided for smoother take-offs and landings.

    The only poor performance came from the low quality linkages on the ailerons and flaps. Several of the threaded control rods pulled out from the metal clevises as if the rod diameter was not a good fit. This prevented us from testing the flaps properly. The longer elevator and rudder control rods did not exhibit this loose coupling problem with the metal clevis. I plan to replace the threaded rods and metals clevises with some Dubro 4-40 rods and linkage hardware. Only one side of the aileron and flap linkage needs to be adjustable so the other side can have the clevis soldered in place.

    P-51D Video
    CLICK HERE (18meg)

    The video of my Hangar 9 150-size P-51D shows the first two flights in 10-15mph wind. Both landings were without flaps on the grass runway. The elevator was a bit too sensitive on the first flight. After the first flight, the battery packs were moved forward to just behind the firewall for a perfect balance. The performance of the E-flite Power 160 motor is a perfect match for this great looking scale warbird. On the second flight, I attached my eDVR and added a few quick clips for a Pilot CAM view from the air. A few of the last fly-bys include real P-51 engine sound. It is difficult to tell if this is an R/C model or full scale plane!


    The Hangar 9 150-size P-51D Mustang ARF is a winner! The assembly time is quick and provides a great large-scale experience for scale flying enthusiasts with intermediate to advanced flying skills. The level of exceptional scale detail will catch the modeler's eyes at the flying field and the performance of the E-flite Power 160 motor will leave them very impressed. The model will stay clean using the electric power system and can be flown at all R/C events. The electric power system also allows for using a 4-blade prop for that added a great scale touch on the ground and in the air.

    The UltraTract metal retracts, struts, scale flaps, authentic UltraCote trim scheme, and prepainted aluminum spinner, all demonstrate that Hangar 9 has gone the extra mile to produce a World War II fighter that looks, and flies, as if it really could be raiding Japanese forces in the Pacific theater. My only concern was with the aileron and flap linkage rods as they did not securely screw into the metal clevises. Other than that, this plane will proudly sit next to my Hangar 9 .60-size Corsair on the flying field...ready for action!

    Hangar 9 Warbirds


    Dealer and Distributor Information

    Hangar 9, JR, and E-flite Models
    Distributed Exclusively in the U.S.A. by:
    Horizon Hobby, Inc
    4105 Fieldstone Road
    Champaign, IL 61822
    Ph: (800) 338-4639
    Toll Free: (800) 338-4639
    Fax: (217) 352-6799
    Website: www.horizonhobby.com

    ZAP Glues On-line at Frank Tiano Enterprises

    Pacer Z-42 Thread Locker
    5-minute Z-poxy
    Pacer POLY ZAP(tm)

    Castle Creations, Inc.
    235 S. Kansas Ave.
    Olathe, KS 66061
    Ph: (913) 390-6939
    FAX (913) 390-6164
    Website: www.castlecreations.com

    Century Jet Models
    11216 Bluegrass Pkwy, Louisville, KY 40299
    Ph: (502) 266-9234
    FAX (502) 266-9244
    Website: www.centuryjet.com

    J & Z Products
    Zinger Props
    Tel: 310-539-2313
    Fax: 310-539-1234
    e-mail: Joe@zingerpropeller.com
    Web: Zinger Propeller

    Kool Flight Systems UBEC
    Hobby Lobby
    5614 Franklin Pike Circle
    Brentwood, TN 37027 USA
    Email: sales@hobby-lobby.com
    Phone: (615) 373-1444
    Fax: (615) 377-6948
    Web: http://www.hobby-lobby.com/ubec.htm


    Comments on RCU Review: Hangar 9 P-51D Mustang 150 E-Conversion

    Posted by: nso on 02/08/2008
    Posted by: thrawn150 on 02/07/2012
    This is a great review. Now that there back I think I may get one.
    Page: 1

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