ParkZone PKZ4400 User Manual

T-28 Trojan

Instruction Manual

Charge-and-Fly™ Park Flyer

Wingspan: 44 in (1118mm)
Length: 36 in (914mm)
Weight (RTF): 30 oz (875 g)
FM Radio: 72MHz 5+ channel FM proportional ZX10 with 3-wire servos
Battery : 3-cell 1800mAh Li-Po battery (PKZ1031)
Motor: PKZ 480 960Kv outrunner brushless motor
ESC: E-flite 25A brushless (EFLA1025)

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Step 2

T-28 Trojan Instruction Manual

®

Congratulations on your purchase of the ParkZone
T-28 Trojan. The T-28 Trojan was a piston-powered
U.S. military trainer used in the 1950s through the
early 1970s. The original Trojan had a frameless
canopy and an impressive engine that gave it a top
speed exceeding 280 mph. Now you can pilot a ready­to-fly, electric scale replica of this historical warbird.

Your ParkZone T-28 Trojan RTF purchase includes
everything needed to get you in the air—all
in one box! You will only need to attach the wing,
landing gear, horizontal tail and charge the battery
pack prior to taking to the air. Everyone at ParkZone
is committed to giving you the most enjoyable flight

experience possible. In order for your first flight to be

safe and successful, we ask that you do not fly until
you have read these instructions thoroughly.

The ParkZone T-28 Trojan comes with a fully
proportional 5+ channel 72MHz FM radio system, with
full control of throttle, ailerons, elevator and rudder. If
you are not experienced at flying one of HobbyZone’s

3-channel aircraft, or any other 3-channel radio
controlled aircraft, we recommend that you do not

fly this aircraft. If you still choose to fly, you will need

to seek the help of an experienced radio control pilot
during your first several flights. This is especially
important if you have not flown a 3-channel airplane
with aileron control as one of the channels. Crash
damage is not covered under the warranty!

Your ParkZone T-28 Trojan is equipped with the
exclusive ZX10 radio system which utilizes 10-bit,
1024-step processing for high-fidelity control. It
uses a 6-channel FM receiver with industry-standard
3-wire servos, along with X-Port
maximum expandability and reusability.

The ZX10 system also features dual rates, allowing
you to fly how you feel most comfortable. Low rate
limits the travel of the control surfaces and offers
smooth and relaxing flight. High rate allows for full
control at all times for those craving the maximum
performance of their aircraft.

™

capability for

Charging the Aircraft Battery

Your T-28 Trojan comes with a DC balancing charger
and 3S Li-Po battery. You must charge the included
Li-Po battery pack with a Li-Po specific charger only
(such as the included charger). Never leave the battery
and charger unattended during the charge process.
Failure to follow the instructions properly could result in
a fire. When charging, make certain the battery is on a
heat-resistant surface.

DC Li-Po Balancing Charger Features:

• Charges 2- to 3-cell lithium polymer battery packs

• Variable charge rates from 300mAh–2A

• Automatically detects incorrect cell count selection

• Simple single push-button operation

• LED charge status indicator

• LED cell balance indicator

• Audible beeper indicates power and charge status

• Cigarette lighter input cord

Specifications

• Input power: 12V DC, 3A

• Charges 2- to 3-cell Li-Po packs with minimum

capacity of 300mAh

• Variable charge rates from 300mAh to 2 amps

3S 11.1V 1800mAh Li-Po Battery Pack

The ParkZone 3S Li-Po battery pack features a
balancing lead that allows you to more safely charge
your battery pack when used with the included
ParkZone Li-Po balancing charger.

3. Select the proper number of cells that you will be
charging, either 2 or 3 cells.

4. Locate the safety charge lead on the battery pack.
The charge lead of a 3-cell Li-Po battery will plug
into the larger 4-pin port on the bottom right of
the charger. A 2-cell pack will need to plug into the
3-pin port on bottom left of the charger. Once the
battery is properly plugged into the correct port,
it will beep 3 times if it is a 3-cell, and twice if it is
a 2-cell pack. Once this is done, you are ready to
proceed to charge the battery pack.

5. Push the start button to begin the charging
process. Once this is done, the charger will make
an audible beep that matches the cell count, and
then the red (charge) LED will begin to flash. Do
not adjust the current once the charger has begun
to charge.

Note: At times, the green LED may also flash during
the charging process, indicating that the charger is
balancing one or more of the cells at the same time
it is charging the battery pack. When this is occurring,

the red and green LEDs will both be flashing. It will

not always be necessary for the cells to be balanced.

6. When the battery pack is fully charged, you will
hear an audible beep for about 3 seconds, and the
green LED will be solid. Always unplug the battery
from the charger immediately upon completion.
Failure to do so could cause a fire.

Step 1

Install Transmitter Batteries

1. Insert 8 new AA batteries (supplied) into the

transmitter, observing proper polarity.

2. Turn switch on and check for glowing LED to
ensure the batteries have been installed correctly.
Once this is confirmed, turn radio off.

3. Replace batteries when you hear the low-battery
alarm (beeping sound).

To Complete the Charging Process

1. Attach the input cord of the charger to the

appropriate power supply (12V automobile cigarette
lighter), or use the HBZ6513 and attach to 12V

AC power supply. Once your charger has been
correctly powered up, there will be an approximate
3-second delay and then you will hear an audible
“beep” and the green (ready) LED will flash.

2. Refer to the chart below to select the appropriate
charge rates:

BATTERY CAPACITY

300—400mAh 300mAh
500—1000mAh 500mAh

1000—1500mAh 1A
1500—2000mAh 1.5A
2000mAh + 2.0A

Warning: Selecting a charge rate higher than 1x

battery capacity may cause a fire!

MAX. CHARGE RATE

3S Port

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Step 4Step 3

Attaching the Wing

In order to attach the wing of your T-28, please follow
these simple instructions:

1. Locate the wing securing screw in the box.

2. Turn over the fuselage so you are looking at the
bottom. Do the same with the wing.

3. Route the aileron leads through the access hole in
the bottom of the fuselage.

4. Carefully align the two locator pins on the front of
the wing into the two small holes in the front of the
fuselage.

5. Slide the aileron leads inside the fuselage so that
they will not become pinched in between the wing
and the fuselage when securing the wing.

6. Slide the bottom of the leading edge of the wing
into the fuselage as shown, making certain it is
perfectly centered. This must be done correctly
in order to allow the screw to thread into the
fuselage. Once you are certain the wing is
centered, tighten the screw to secure the wing.

7. The wing is correctly installed when no gap exists
between the wing and fillet.

8. Gently pull up on the rear of the canopy hatch to
remove and set aside.

9. Connect the aileron leads to the pre-installed
Y-harness, noting proper orientation. The servo
leads are polarized to fit one way.

Installing the Landing Gear

1. Install main landing gear by inserting into locator

hole in the wing. Swivel landing gear toward the
retaining clips and gently snap into place.

2. Insert the nose gear into the steering assembly on

the under side of the cowl with the flat spot facing
forward.

3. Align the retaining screw with the flat spot on the
cowl. The retaining screw should be visible through
the front of the cowl.

4. Using a Phillips screwdriver, tighten the retaining
screw. The retaining screw should be accessible
through the front of the cowl, however, you may
choose to remove the cowl for easier access.

5. Reposition the T-28 so that it is resting on the
landing gear.