Cox Wings- Christen Eagle
 RCU Review: Cox Wings- Christen Eagle More On This Product
Show user ratings Check for Retailers Contributed by: Greg Covey | Published: January 2007 | Views: 56153 |
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Review by: Greg Covey
Flying Photos: Papa Jeff Ring
ARF Kit Parts
Test Flying
Manufacturer Info
Video Pilot: Lynn Bowerman
Cox Wings- Christen Eagle
Cox Hobby Distributors
PO Box 274
Penrose, CO 81240
Cox Models has a new line called "Wings" which, among other
designs, has a licensed Christen Eagle® ARF. Molded in EPS foam
and colorfully decorated in the classic Eagle colors, this exciting
aerobatic model comes almost ready to fly, with the brushless
outrunner motor and brushless ESC pre-installed. Further, the
ARF kit also includes a 3-cell 1800mAh LiPo pack! The model
comes complete with servo installation hardware, extra prop and
only requires 3 sub-micro servos with approximately 17 oz.-in. of
torque and a 4-channel radio system. Quality
Ease of
Easy to Assemble
Motor, ESC, and
Battery Included
Great ARF value
Excellent Flight
Wingspan: 33.6" (85.5cm)
Length: 28-3/4" (73.8cm)
Flying weight: approx. 24oz (680g)
Wingloading: 8.0 oz/sq2 - 9.0 oz/sq2 110-Watt Brushless outrunner motor installed
18-amp sensorless electronic speed control with BEC
3S, 11.1 volt, 1800mAh LiPo Battery included
All that is needed to complete the ARF are the following items:
4 channel transmitter and micro receiver
3 micro servos 17oz/in torque
hobby supplies like glue, servo tape, razor knife
No balancing connector
on LiPo pack
ARF Kit Parts
The COX Christen Eagle comes very well packaged in a box that has a built-in handle making it easy
to carry. The custom foam inside the box is formed to the planes shape giving it good support for
shipment without damage. Most of the assembly is all done for you. All tail parts are mounted and
glued in place and appeared to be straight. The main plastic wing cabanes have wire reinforcement
inside them.
The control surfaces are hinged and the control rods are pre-installed. I did find the elevator and
rudder were stiff and hard to move. This is easily fixed by disconnecting the control rods and moving
the surfaces back and forth several times to the full length of travel. The procedure seemed to get
things moving much easier. The motor, ESC, cowl, prop, and spinner come pre-installed. The ESC even has a mating Dean's
Ultra connector already soldered on it and is ready to plug into your battery pack and receiver.
To complete the ARF, I am using 3 Hitec HS-55 servos and an M5v2 micro receiver from FMA Direct.
The assembly starts with a very simple servo installation. Cox supplies the servo arms that are
already on the pushrods but the arms didn’t fit on my HS-55 servos. If you choose to use HS-55
servos, there will be no need to modify anything to make them fit as the servo mounts perfectly.
When installing servos into the fuselage, there are openings in the bottom of the servo mounts for
routing the servo wires. This will guide the wires right to the receiver location. The HS-55’s fit nice
and snug in the foam servo mounts. Cox recommends that you install a foam wedge between the
servos to help hold them apart. I used a piece of foam from the box that the Christen Eagle came in.
After the servos were in place I used a drop of ZAP-O(tm) foam safe CA on each servo tab just to
make sure the servos were going to stay still.
Inside the fuselage above the bottom wing opening there is a little pocket where the rudder and
elevator servo wires arrive. I decided to use the M5 v2 receiver from FMA Direct because of its full
strength dual conversion performance. To install the receiver, all you have to do is turn it on its side
and it will fit snuggly into the little pocket in fuselage. Since the installation and removal of the
receiver is so easy, I was able to hook the aileron servo lead into the receiver and slide it back into
place without the need for an extension cable.
Aileron Servo:
When installing the aileron servo, the HS-55 fit in the pocket perfectly. Again, I added a drop of
ZAP-O(tm) foam safe CA on each servo tab. The pushrod wires come completed so just hook them
up and adjust as needed to center the ailerons. After you have installed the wings and hooked up
ailerons you may need to adjust the ailerons again. I found that with the added weight of upper
ailerons, it made the lower ailerons droop down a little.
Aileron Linkage:
The aileron control horns come pre-installed on wings. The control horns work very well and seemed
plenty strong. When installing the clevises to the control horns, be careful not to side load them as
they may break if too much force is applied. The pushrod wires also come pre-assembled and
needed only one turn on the clevis to make the ailerons line up perfectly.
The dashboard and cockpit graphics come pre-installed.
The canopy comes completely finished and ready for installation. Simply remove the cover paper
from the two- sided tape and stick canopy to it. It is best to check the alignment on canopy before
installation as you only get one chance to have it fit properly.
Landing Gear:
Installing the main gear is very simple. The wire simply slides into the slot on the fuselage bottom
and snaps into place. The tail wheel comes pre-installed so it is all ready to be used. As long as the grass is kept fairly
short, the Eagle will take off and land without issue.
My COX Christen Eagle ARF was ready-to-fly at 22.5oz using the supplied stock power system. On a
freshly charged LiPo pack, we measured about 13.8amps or 150 watts at full throttle.
Test Flying
COX Christen Eagle ARF
The COX Christen Eagle taxies nicely with its steerable tail
wheel on smooth surfaces. It will also take off from a short
grass surface. The stock power system does provide for very
capable flight performance but it does not provide a 3D level of
CLICK HERE (5.3meg) The video of the COX Christen Eagle was shot on a rather grey
day in November with winds from 5-10mph. The little bipe with
the stock power system not only takes off and lands on grass
but has the performance of a much bigger model.
You won't be disapointed in the COX Christen Eagle. It is a
great design and has excellent value for the $129 price. It
comes almost completely assembled and decorated in the box.
The ARF kit includes the motor, ESC, props, and a 3-cell LiPo
The only fault I can find on this ARF package is that the
supplied 3-cell LiPo battery does not have a node connector for
safe balancing. However, the battery does have a circuit board
under the shrink wrap so it is an easy task to add your own
favorite node connector to keep the pack balanced for better
safety and longevity. I modified my pack to add a Cellpro brand
pigtail from FMA Direct.
The Eagle has a wide range of flight performance from more
docile hands-off cruising, at half-throttle, to wild aerobatics, at
full throttle. This will keep the pilot with advanced skills happily
flying in a small soccer field area or challenge the intermediate
pilot looking to advance their aerobatic capabilities.
Cox Hobby Distributors PO Box 274
Penrose, CO 81240
FMA Direct
5716A Industry Lane
Frederick, MD 21704
Sales: 800-343-2934 or 301-668-7614
ZAP Glues On-line at Frank Tiano Enterprises
Pacer Z-42 Thread Locker
5-minute Z-poxy
Pacer POLY ZAP(tm)
Comments on RCU Review: Cox Wings- Christen Eagle
Posted by: bdelmonte on 09/18/2008
Profile Cox Wings Christen Eagle is a wonderful park flyer that I am greatly enjoying. How do I install a Cellpro by FMA or
other brand pigtail to the circuit board under the shrink wrap of the Cox LiPo battery?
Page: 1 The comments, observations and conclusions made in this review are solely with respect to the particular item the editor reviewed and may not apply
generally to similar products by the manufacturer. We cannot be responsible for any manufacturer defects in workmanship or other deficiencies in
products like the one featured in the review. EMAIL THIS ARTICLE OR CHECK OUT THESE OTHER GREAT REVIEWS!
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