|Contributed by: Greg Covey | Published: August 2007 | Views: 36672 | Email this Article
Clever Boy ARF
by: Greg Covey
Photos: Greg Covey
Photos: "Papa Jeff" Ring
1 Pilot: Lynn Bowerman
2 Pilot: Devin McGrath
Kit with hardware
Great ARF value and looks
Superb Flying Performance
Optional Suitcase Travel Package
redesigned "Clever Boy" from Maxford
USA features all wood laser cut parts with carbon fiber landing
gear and many unique design extras. The factory assembled sections
allow for the ARF to be disassembled in minutes and stored in
an optional aluminum travel
case. Other options include a detachable float set and an
easy to install 120 watt brushless power system.
Wingspan: 35 in (900 mm)
Length: 30 in (760mm)
Wing Area: 243 sq. in (15.70 d)
Flying weight: 14 oz
3' long lockable aluminum case not only houses the entire Clever
Boy ARF with floats but also has a spare bay pre-cut for keeping
your transmitter safe.
sub-micro servos and a micro receiver are needed to complete the
kit. Servos, power systems, spare parts, and more are available
from Maxford USA.
main sections come pre-assembled and nicely covered. The control
surfaces are already hinged so only the horns need be glued into
the pre-drilled holes.
120w brushless outrunner
motor is a perfect match for the Clever Boy. With an 8x6 prop
and a 3-cell 1000mAh Lithium pack, the model is capable of 3D
maneuvers on floats. Although the manual was missing from my review
model, a set of instructions for the float set was included. After
looking at the parts, I decided that I did not need a manual to
complete the Clever Boy.
BM2408-21 brushless outrunner motor is rated for 120 watts and
can sustain bursts to 150 watts. This is much more power than
we'll need for this model so I knew that it would be a great choice
for adding on the floats.
motor and 15-amp ESC were prepared before mounting it in the plane.
After adding a Dean's Ultra connector, I soldered the three wires
between the motor and ESC. The trick here is to test the motor
direction with a transmitter, receiver, and battery before shrinking
the tubing over the bare wire joints. Once you have tested the
motor to turn counter-clockwise when viewed from the front, you
can then apply heat to the shrink tubing. If the motor spins the
wrong way, simply swap any two of the wires from the motor to
laser cut motor mount allows for several different motor types.
The brushless outrunner simply mounts onto the face of the motor
mount using three small wood screws. I needed to drill pilot holes
into the mount and then added a small amount of thin CA to the
holes in the wood before screwing the motor in place. Note that
the aluminum mount can be removed from the main motor section
when attaching it to the wood by loosening two hex screws. When
re-mounting the motor, add some Pacer Z-42 Thread Locker to the
set screws so they don't loosen in flight.
wood motor mount locks into place and is held by two small screws.
It seemed plenty strong but you can also add some ZAP Medium CA
to the joint along the firewall, if desired.
pre-cut cowl is taped in placed or it can be screwed into position.
The prop uses the standard 3mm hardware commonly seem in GWS products.
I added the rubber spinner from an old GWS Tiger Moth.
The entire tail snaps into place and is held by a single screw.
I only needed to glue the control horns into the pre-drilled holes
in the rudder and elevator. The plastic clevis snaps onto the
3 micro servos mounted easily using the supplied screws. The linkages
are pre-cut to length and come ready to attach the "Z"
bends to the servo arm.
The wing fits perfectly into the fuselage saddle and is held
in place by a single nylon screw. The leading edge is locked
and aligned by two thin hardwood dowels that are pre-installed.
this time, you can choose to either mount the gear mains, wheels,
and pants or you can mount the optional float set. I will be
mounting the float set since I intend to use them from either
water or grass. They are designed to be easily removeable so
the Clever Boy will fit back into the case. You can also revert
back to the wheels and pants when finished using the floats.
The built-up floats are too cute not to use!
Boy Float Set Installation
floats mounted quickly. The design allows for the floats to
be disassembled by removing 4 screws. The entire framework
is made from very light but strong carbon fiber. A fair amount
of thought and craftsmanship went into the design of this
model. The parts all fit together well.
bottoms of thre pre-made floats are covered with a sheet of
clear shrinkwrap to help seal and protect them.
small 3-cell LiPo pack like my Cellpro 910mAh fit well inside
the fuselage. The 15C discharge rate is a good match for the
desired burst current needed. I measured 13.5 amps at full throttle
for a power level of 130 watts.
Clever Boy on floats was Ready-To-Fly at only 17oz including the
3.2oz LiPo pack. The power system provided about 122w/lb which
will allow it to easily take off from water or even grass.
*Please note that the manufacturer does not recommend to use
the floats on grass take-offs as they are made of balsa and may
be broken on rocks or other objects in the grass. It has been
the reviewer's experience that the floats have proven sufficiently
rugged to handle this abuse.
Boy Video 1
The Clever Boy ARF on floats performed very well in 5-10mph winds.
It was agile yet stable and took off grass at only half throttle.
The video shows several take-offs, landings, loops, rolls, and
hammer heads. I am impressed with the design and performance using
a 3-cell (15C) 910mAh LiPo pack. The only thing I may change is
to substitute a better servo for the ailerons as they became a
bit twitchy in the wind. One possible substitution for improved
performance is the Futaba S3107
Micro Servo or the Futaba S3114
Micro HT Servo.
the video was taken, we discovered that the Clever Boy could easily
knife edge. It also flew inverted although a bit difficult at
first. Everyone loves the performance of this plane and the versatility
to take off land, water, and snow.
Boy Video 2
After replacing the TowerPro aileron servo with a stronger Futaba
S3114 HT Micro Servo, the Clever Boy has become a favorite attraction
in my local group of R/C friends. I decided to create a second
video to show you what this plane can do in the capable hands
of a nationally ranked pilot, Devin McGrath. Devin's only comment
was, "I want one!"
Clever Boy was first designed and manufactured by Green Model
in 2003. This 1st generation product had some design issues that
were corrected in the 2nd generation Clever Boy in late 2004.
The result is a superb flying plane with optional floats and traveling
case. I consider this plane a sleeper that few people know about
but anyone can fly. Just try to keep it away from your friends!
Maxford USA Corp.
DBA: Green RC Models USA
Artesia Blvd., Cerritos, CA 90703
Toll Free: 866-706-8288
Glues On-line at Frank Tiano Enterprises
Z-42 Thread Locker
Pacer POLY ZAP(tm)
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.
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