Manual - You have reached

Thank you for purchasing the AquaCraft Atlantic II Harbor
Tugboat. We want the time you spend with your new R/C boat
to be fun and successful so please fully read the manual. If
for any reason you think this model is not for you, return it
to your place of purchase immediately. NOTE: Your hobby
dealer cannot accept a return on any model after final
assembly or after your boat has been operated.
All pictures, descriptions, and specifications found in this
instruction manual are subject to change without notice.
AquaCraft maintains no responsibility for inadvertent errors
in this manual.
Items Included
Boat Features
● Pre-painted and detailed fiberglass hull
● 4-Channel Tactic TTX490 2.4GHz 2-stick transmitter
● 4-Channel Tactic TR400 Receiver
● LiPo ready (3S) 30 Amp ESC with low battery warning
system and battery cut off circuit
● LED lighting, mast, markers, cabin
● Custom wood boat stand
● One hour run times or more possible with recomended
Important LiPo Performance
and Care Information!
To get the most performance and safety from your LiPo
battery, please read and understand the following information.
● Always follow the manufacturer’s recommendation for
charging and maintaining your batteries. We would, however,
like to expand on this for R/C boating use.
● Never leave a charger and battery unattended while charging.
● Use only the recommended batteries and appropriate
● Refer to the instructions included with your charger for
proper battery charging procedure.
● For best performance and longest battery life, never charge
your LiPos at a charge rate higher than 1C. (1000mAh =
1amp, 2000mAh = 2amps and so on). Remove the battery
pack from the model and charge in a LiPo Sack (GPMP0751)
or other safe charge container.
❍ Atlantic II Harbor Tugboat
❍ Tactic TTX490 Transmitter
❍ Boat Stand
Parts Needed to Complete Your Model
❍ 1 - ElectriFly® 11.1V 3S 2200 mAh 30C LiPo Battery
❍ 1 - Duratrax Onyx 150 LiPo Balancing Charger
❍ 6 - AA Dry Cell Batteries (DTXP4708)
❍ 1 - HIGHLY RECOMMENDED ElectriFly SafeCharge™
LiPo Battery Charge Bag (GPMP0751)
❍ ElectriFly LiPo 3S 11.1V 3200mAh 25C (GPMP0871)
❍ 1.5mm Hex Wrench (DTXR0288)
❍ 2mm Hex Wrench (DTXR0289)
❍ 2.3mm Hex Wrench (DTXR0290)
❍ 5.5mm Nut Driver (DTXR0212)
❍ Great Planes Cell Match (GPMM3210)
❍ Needle Oiler (ZONR3105)
❍ Medium CA Glue (GPMR6008)
● We have found it best to use only 80% of the rated mAh of
the battery pack per discharge (boat run). You will experience
rapid depletion of battery pack performance if you continue
to discharge your pack below the 80% usage target.
NOTE: Your Atlantic II Harbor Tugboat’s ESC has a stutter
bump warning system that warns you of low battery voltage.
This system starts its warning at 10.2V total giving you time
to bring the boat back to shore before the ESC cuts off at
9.2V. This is a built-in safety system for you, your boat and
your batteries. It’s important to note that a 2S pack (7.2V)
will not operate your boat or any battery pack (i.e. number of
cells) that falls below the listed warning and cut off voltages.
Although this system is in place we still recommend
adjusting your run times to not exceed 80% battery usage.
Always unplug and remove the battery from the boat
after use. NEVER leave your battery pack plugged into
the boat when not in use.
● Store your battery pack/s in a LiPo Sack (GPMP0751) or
other battery containment device. It is best to store them in
a cool, dry place and on a fire-resistant surface. It is also a
good idea to charge your batteries to either a full charge (if
you feel you will be using the packs frequently) or at 11.4V
for a 3S pack (or 3.8V per cell) for longer storage.
Warranty Service
● If your boat should happen to stall, water currents will slowly
carry it to shore. Keep in mind that the boat could be carried
to the opposite shore. When surveying areas to run your
boat, keep variables in mind such as wind direction and lake
size. It is not advisable to run R/C boats on any free-flowing
bodies of water such as creeks or rivers.
AquaCraft will warranty your Atlantic II for 90 days after the
purchase from defects in materials or workmanship of original
manufacture. AquaCraft, at their discretion, will repair or
replace the incorrectly made part at no charge. This warranty
● Always remove the battery pack from the boat before
does not cover damage caused by crashes, abuse, misuse,
alterations or accidents. To return your boat for repairs you
need to provide proof of purchase, your store receipt or
Hull Length: 30.25” [76.8cm]
Width: 10.5” [26.7cm]
warranty gives you specific legal rights. You may also have
Height: 19.5” [49.5cm]
other rights, which vary from state to state.
Weight: 7.75lb [3.515kg] less battery
Run Time: Up to and over 60 minutes on
Outside the USA and Canada, contact your local importer for
recommended battery
warranty information.
Attn: Service Department
3002 N. Apollo Drive, Suite 1
Champaign, Illinois 61822
Ph: (217) 398-0007
9:00 am - 5:00 pm
Central Time M-F
Low RPM 540:
Operating current:
Safety Precautions
● AquaCraft products are to be used by ages 14 and over.
● Never ever attempt to swim after a stalled R/C boat. Do
not get in the water for any reason to retrieve your boat.
To aid in retrieving a stalled R/C boat, set up a fishing
reel with a tennis ball tied to the end of the line. Better
yet, get yourself a small Jon boat so you can row out
and pick up your boat. Remember to use a PFD any
time you enter your retrieval craft.
8,200 RPM at 12V DC
.9amps 12V DC (without loading)
8 to 14V
38×57 mm (1.5"×2.25")
224 g (7.9 oz)
Rated Current:
Max Input Voltage:
Battery Connector:
Motor Connector:
Wire Gauge:
Warning System:
BEC Max Current:
Servo Connector:
30A (35A @ 60S)
Deans® Ultra Plug®
Bullet Plugs
10.2V Stutter Bump
35 mm × 34 mm × 9 mm
● Do not touch the propeller anytime the motor is running. Pay
close attention to items such as loose clothing, shirtsleeves,
Boat Terminology
ties, scarves, long hair or anything that may become
entangled in the spinning prop. If your fingers, hands, etc.
come in contact with the spinning propeller, you may be BOW: Front of the boat.
severely injured.
STERN: Back of the boat.
● The speed and mass of this boat can inflict property damage
and severe personal injury if a collision occurs. Never run this
boat in the presence of swimmers or where the possibility
of collision with people or property exists.
PORT: Left side of the boat when aboard and facing the front
(bow). An easy way to remember is that port and left both
contain four letters.
● Electric motors produce heat. Do not touch any part of your
motor until it has cooled.
HULL: Body of the boat.
● This boat is controlled by radio signals, which are susceptible
to possible interference from other possible electrical noise.
STARBOARD: Right side of the boat.
DECK: Top of the boat.
RUDDER: Hinged vertical plate mounted at the stern.
● You might be enticed to operate your boat at a very far
distance. Please avoid “taking her out” too far. The radio
system is capable of 1000' or more of operation but radio
reception variables exist, causing possible loss of control.
● If weeds become entangled in the propeller, stop the motor
and unplug the battery before attempting to remove them.
Understanding Your Transmitter
To help you better understand your transmitter and its functions,
here is a picture outlying the operation features, servo reversing
and receiver assignments (* not used with this product).
To remove the cabin slide the “tool box” forward near the front
of the cabin.
CH 1 = Steering (right stick, left and right)
*CH 2 = AUX 2 (momentary switch)
CH 3 = Throttle (left stick, up and down)
*CH 4 = AUX 1 (left stick, left and right)
Assembly Sequence
IMPORTANT NOTE: The transmitter is not water resistant and
should never come in contact with water!
Rotate the front of the cabin up and forward to remove it from
the hull.
Slide off the battery door from the back of the transmitter and
install 4“AA” batteries into the transmitter in the configuration
molded into the battery floor. Reinstall the battery door.
Turn the transmitter “ON” by shifting the power on switch to the
up position. The battery indicator light (LED) should glow red. Inside the cabin you will see two shorter wire sets with plug-ins.
If the light is flashing and the transmitter beeping, the batteries Plug the two together. This is the connection from the lower
might be installed incorrectly or are low and need to be replaced. cabin to the upper cabin lighting system.
Next install the accessories. You will find them packaged in a
small plastic bag attached to the light mast. Remove the bag
and the accessories inside.
Install the RF antenna on the port side of the light mast. Carefully
slide this in place. If you want, you can place a small dab of
glue (medium CA glue or plastic model cement) to help hold
the part in place. Install the radar antenna the same way but
on the starboard side of the mast.
Inside the boat you will find two lighting plug-ins coming from
the ON-OFF switch for the lights. You will only be plugging
the cabin into one of the two plugs. Go ahead and plug this in.
knowing you might want to unplug and set the cabin aside to
make it easier to work on for now.
The center spire slides in from the bottom center of mast. You
can allow this to friction fit or glue as needed.
The completed assembly.
Install the battery into the boat as shown. Do not hook up the
main power battery until you are ready to operate the boat!
Install the Battery in the Atlantic II
Next install two AA batteries into the battery holder located
on the radio tray.
Remove the provided “loop” strip from the battery tray and
attach it to your battery pack.
If needed, one has access to the rear hatch by simply sliding
the latch forward and lifting off the cover.
With the transmitter on, plug a fully charged battery into the ESC.
You will hear the motor beep three times letting you know the
motor and ESC have power. Moving the left stick forward should
result in counter clockwise rotation of the propeller. Moving the
stick back should result in the propeller turning clockwise. If
this not correct, unplug the battery and switch revising switch
3 and test again. (Default switch position is down.)
NOTE: The throttle trim lever allows more or less reverse
power without changing the full forward operation. To do this,
simply plug the battery in with the throttle trim lever in the lowest
position. During power up the system will program to this trim
setting. This will provide the least amount of reverse power.
Moving the trim lever to the top and plugging the battery in will
provide the most amount of reverse power. You can position the
trim lever within the extents of the movement to custom adjust
the amount of reverse you want by simply adjusting the throttle
trim lever up or down and plugging in the battery.
1. Turn the power on to the transmitter and receiver (in
that order).
2. Place the boat in water that is at least 12” deep and
free of weeds, sticks and obstacles.
3. Advance the throttle to half speed and note if the boat
has a tendency to turn right or left. Adjust the steering
trim on the transmitter until the boat runs straight when
the steering is at neutral.
4. After you have completed a run, unplug the boat’s power
battery. This safely powers down the boat. Then, turn
off your transmitter.
IMPORTANT: If your boat takes on a large amount of water
and stalls in the middle of the lake, don’t worry, your boat has
foam floatation so it will not sink. You will, however, have
to retrieve the boat and remove the cabin hatch and battery.
Remove any water that might have entered and allow the boat
to fully dry before operating it again.
It is important to remove and re-lubricate the drive system
after a day of running.
Make sure the battery pack is unplugged. Use a needle oiler
to place one drop of oil on each end of the motor shaft. as
well as each end of the drive shaft where shown.
Ordering Replacement Parts
To order replacement parts for the AquaCraft Atlantic II, use
the order numbers in the replacement parts list. Replacement
parts can be purchased from your local hobby shop or by mail
order. If you need assistance locating a dealer to purchase
parts, visit and click on “Where
to buy”. If you are missing parts, contact Product Support at:
Phone: 217.398.8970
Fax: 217.398.7721
Parts List
3-Blade Metal Prop w/Nut
Drive Shaft
Motor Drive Line Coupler
Deck Accessory Set
ESC Forward / Reverse
Rudder Assembly
© 2014 AquaCraft Models, a Hobbico company.
AQUB5725 Mnl
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