Kit with hardware
High Quality Construction with a great looking finish
Superb Flying Performance
No Painting or Decals Needed
Molded Fiberglass Fuselage
Concealed elevator linkages
Optional Upgrades Available
Detailed Manual Instructions
Hawk 15 DF ARF is a sport scale version of the trainer and
light combat aircraft for use by the British Royal Air Force.
This R/C model is constructed of fiberglass and balsa, the fuselage
is beautifully prefinished with scale details. The British Aerospace
(BAe) Hawk boasts the rare and very visible Central Flying School
airshow trim scheme from 1987 in red, white and blue.
exciting R/C model was designed around E-flites Delta
V-15 (69mm) fan unit and matched BL
15 DF brushless motor. Pilots can use a 3-cell LiPo battery
pack or utilize a 4-cell LiPo battery pack for increased vertical
performance. The built-in fan mounts make installing the fan easyjust
drop in the fan unit and tighten four screws. The removable front
hatch also allows easy access to the radio equipment and battery.
The entire trim scheme is pre-painted, pre-trimmed, the wings
are covered in UltraCote and all the decals have already been
applied. Created for the advanced sport scale pilot, the BAe Hawk
15 DF ARF easily lives up to its reputation of being a stable
Molded fiberglass fuselage and built-up balsa wing construction
Pre-finished scale trim scheme of Central Flying School RAF
Designed to fit the E-flite® Delta-V 15 EDF unit and BL15
DF Brushless Motor
Built-in fan mounts
Pre-assembled quick access cockpit hatch
Removable landing gear
Concealed elevator linkages
Optional pilot figures sold separately
Wingspan:33.3 in (845mm)
Overall Length:35.4 in (900mm)
Wing Area:206 sq in (13.2 sq dm)
Flying Weight:4346 oz (12191304 g)
Motor Size:15 DF brushless motor
Servos:Sub Micro (3 required, 4 with nose gear steering)
Speed Control :60-amp brushless
Recommended Battery:3S 11.1V 3000-3300mAh Li-Po
Landing Gear:Optional use, included
are very few parts in the Hawk box so it looks to be a quick build.
All the parts were sealed in plastic and well protected for shipment.
The 36-page manual is loaded with clear photos and instructions to help
insure a successful build.
impressed me the most here was the quality of the fiberglass fuselage
and sheeted wing covering. It was flawless! The detailing on this EDF
model is fantastic!
A closer look at the fuselage reveals an easily removed hatch for access
to all radio equipment and battery. A side access hatch allows easy
removal of motor and fan unit. The pre-painted vertical fin gives added
details in appearance without using decals.
BAe Hawks high-quality fiberglass fuselage provides strength and
durability while the painted finish resists dents and dings. Note the
"cheater" holes on the fuselage bottom to allow more air into
the ducted fan for increased thrust on take-offs. This allows the Hawk
to retain a very scale look!
recommended components for the EDF power system are as follows. I will
also be testing the BAe Hawk with a 4s ThunderPower 30C 3300mAh LiPo
starts by attaching the center body fairing to the motor and then the
motor to the DF unit. Note the longer length of the BL 15 ducted fan
motor wires to make the installation easier. The center body fairing
helps reduce drag.
5-blade rotor is installed after first pressing the collet adapter onto
the motor shaft. It is then secured in place by the aluminum spinner.
I used an L-wrench (or hex wrench) to help tighten it properly.
design of this 70mm EDF unit is the best I have seen to date. The longer
motor wires, balanced rotor, pre-soldered motor connectors, and center
body fairing, are all excellent design details by E-flite.
the EDF unit has been assembled, a hole is cut in the thrust tube to
allow the motor wires and center body fairing to exit.
ran into my first issue when installing the EDF unit into the fuselage.
I could not get the DF unit to properly align in the pre-mounted fan
intake. It appeared that my bottom plywood runner was pre-glued in the
wrong spot. Since the plywood runner was securely glued in place, my
fix here was to place the top mounting flange on the opposite side.
It was then held in place with a screw, washers, nut, and some Loctite.
important part of this assembly is to be sure that the DF unit sits
flush into the pre-mounted fan intake.
aileron servos installed in the wing halves without issue. The S-75
servos are held in place by a well-designed mount and the pre-run string
provided for easy routing of the servo control cable. The control rods,
horns, and keepers were all supplied. A plastic cover is then trimmed
to size and secured with the supplied tape. The top side of the wing
does not show any holes from the control horn.
E-flite BAe Hawk's wing design was impressive and showed their dedication
to quality. The seams between the wing halves and the fuselage were
wing halves are reinforced by two carbon tubes. You simply sand the
paint off the wing area on the fuselage and brush everything with 20-minute
epoxy before pressing it in place.
BAe Hawk comes with a plywood jig that is first CA'ed together and then
used to hold the stabilizer halves at the proper anhedral angle when
gluing them together with 5-minute epoxy. The stabilizer assembly is
then properly positioned in place, measured, and marked. The top and
bottom side covering is removed where it resides inside the fuselage.
The stabilizer is then CA'ed in place from the tail opening.
elevator installation starts with gluing the pre-bent control wires
into the elevator halves using 5-minute epoxy. The two elevator halves
are then CA'ed to the stabilizer via pre-cut hinge material pieces.
elevator control and linkage is designed to provide a clean look on
the outside of the Hawk. The control horns and keepers installed with
landing gear installed easily but I noticed some minor issues. The
kit came with 2mm x 8mm machine screws for the wheel collars instead
of shorter Allen head screws so they stick out a bit. The flat spots
on the gear metal rods where all facing downward so I just went with
it. Typically, I install my wheel collars with the screw facing aft
to minimize any grass snagging and provide a cleaner look from the
minor issues can be easily fixed, if desired, by obtaining some 2mm
x 4mm set screws and using a Dremel tool to create a new flat spot.
elevator and steering servos were installed at the same time using
the same technique with pushrod connectors. The two smaller elevator
half control rods are controlled by a single servo as is the larger
steering control rod. The manual provides exact details for which
servo arm and hole to use.
and Receiver Mounting:
E-flite 60-amp Pro Brushless ESC and Spektrum AR6200 receivers were
installed per the manual without issue. Note that all the loose wires
are wrapped to keep them from flapping in the air flow. It is important
to secure the wires in a way that still allows the ESC and receivers
to be removed from the hook-n-loop material, if needed.
shown in the photos are the motor/ESC wires that I secured to the
carbon tubes inside the fuselage.
a model this nice, adding pilots should be an option that you don't
leave out. Fortunately, Horizon offers their ParkZone T-28 Pilot that
can be cut down to fit inside the Hawk canopy. The canopy is held
in place using supplied eye ring screws, a rubber band, and a hook
made from cut-off control rod.
added some black sticky-back covering to block the holes in the canopy
bottom. My BAe Hawk is starting to look almost complete!
thrust tube is installed through the tail opening and then taped in
place along the DF and at the tail. I also added some Zap-A-Dap-A-Goo
II (or plumbers Goop) to the area around the center body fairing to
keep the air from escaping around the cutout.
the thrust tube is installed, the rear hatch is taped in place on
all four sides.
last step of assembly is to glue on the accessories using canopy glue.
I used Pacer Formula 560 which dries fast, clear, and flexible.
wing tip plates mate with a hole in the wing leading edge for easy
alignment. The air intake scoops must be trimmed first and then positioned
by eye. Masking tape holds the accessories in place while the glue
3-cell E-flite 3200mAh pack and 4-cell ThunderPower Pro Power 30C
3300mAh pack are shown in their positions to obtain the balance recommended
in the manual. For less than a 3oz weight penalty, and some additional
cost, you can more than double your power by using a 4-cell pack.
This upgrade should really make the BAe Hawk perform well.
the E-flite 60-amp Pro Brushless ESC has a fail-safe switch design,
I find it easiest on these smaller models to simply cut off the switch
and get it out of the way. I cut one wire slightly shorter and then
cover the ends with a small piece of shrink tubing.
measured the power level of each pack as follows. The E-flite 60-amp
Pro Brushless ESC can handle 75-amps peak so it will still be within
specs on your high-speed passes at full throttle.
3-cell pack, 360 watts, 36 amps
4-cell pack, 900 watts, 64 amps
Setup Approved by Horizon
not in the manual, Horizon has approved using reflexed ailerons
to aid in landing the BAe Hawk. Reflexing is the process of
deflecting a portion of an airfoil's tailing edge upward which
alters the aerodynamic properties by reducing lift. By adding
1.5mm to 2mm of up on both ailerons from the neutral position,
the airfoil generates less lift and drag for the same angle
of attack, which has the opposite effect of flaps. The reflexed
ailerons allow the BAe Hawk to settle into an easy descent
without approaching a stall speed.
accomplish adding reflexed ailerons on my BAe Hawk using the
Spektrum DX6i transmitter, I needed two mixes along with plugging
the second aileron servo into the flap channel. In this manner,
the FLAP switch is used as normal for landing but adds reflex
instead of flap.
1: AILE -> FLAP ACT, RATE D +100% U +100%, SW ON TRIM ACT
2: FLAP -> AILE ACT, RATE L -100% R -100%, SW FLAP TRIM
Sub-Trims control the aileron centering and are approximately
+82 for AILE and +100 for FLAP. The FLAP setting then uses
a 0 offset for NORM and about +17 for LAND to achieve a 2mm
Note: When test flying the E-flite BAe Hawk, we did
not find it necessary to use reflexed ailerons when landing.
BAe Hawk was Ready-To-Fly at 35oz without battery. Using the 10oz 3-cell
LiPo pack, it weighed 45oz (2.8lbs). Using the 13oz 4-cell pack, it
weighed 48oz (3lbs).
We tested the E-flite BAe Hawk off a pavement runway and really liked
its performance on the 4-cell Thunderpower 30C 3300mAh pack. Take-offs
were powerful and the Hawk flew very well at only half throttle. Full
throttle passes were a real blast of speed! We did not need any reflex
turned on for landings and found that the Hawk could slow fly very well
within its limits.
were extremely responsive so we dialed in plenty of exponential. The
elevators were a bit docile so we removed the exponential from that
setting. The Hawk has great performance on a good 4-cell pack and still
lands predictably with the added 3oz weight over a 3-cell pack. Although
a 3-cell pack should still work for intermediate flyers, by keeping
it lighter, do not expect it to have great top end speed.
The E-flite BAe Hawk 15 DF ARF is perfectly matched
for the E-flite Delta V-15 (69mm) fan unit. Although a 3-cell
pack should still work for intermediate flyers, I recommend good
4-cell pack like the Thunderpower 30C 3300mAh pack to really bring
out the performance of this beautiful fiberglass model.
BAe Hawk 15 DF ARF did live up to its reputation of being a stable
flying jet and could even take off from grass using the 4-cell
Lipo pack. The usual limitations exist when you don't have a rudder.
You must not take-off crosswind and you need to set up your landing
approach well in advance. This model requires seasoned intermediate
to advanced flying skills for a successful experience.
this is an excellent fiberglass EDF design by E-flite. Those pilots
savvy enough to step up from a foamy will not only love the Hawk's
appearance but get a real rush from its performance!
E-flite AT-6 Texan
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
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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.