Radio contRolled
electRic Racing boat
Model 95641
asseMbly and opeRation instRuctions
Due to continuing improvements, actual product may differ slightly from the product described herein.
Distributed exclusively by Harbor Freight Tools.
3491 Mission Oaks Blvd., Camarillo, CA 93011
to pReVent seRious injuRy, Read and undeR-
stand all waRnings and instRuctions befoRe use.
©
®
Copyright 2006 by Harbor Freight Tools . All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
for technical questions or replacement parts, please call 1-800-444-3353.
Manual Revised 08e
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grounding prong or modify the plug in any way. do not use any adapter
plugs. Check with a qualified electrician if you are in doubt as to whether the
outlet is properly grounded. If the tools should electrically malfunction or break
down, grounding provides a low resistance path to carry electricity away from the
user.
2. double insulated tools are equipped with a polarized plug (one blade is wider
than the other). This plug will fit in a polarized outlet only one way. If the
plug does not fit fully in the outlet, reverse the plug. If it still does not fit,
contact a qualified electrician to install a polarized outlet. Do not change
the plug in any way. Double insulation eliminates the need for the three wire
grounded power cord and grounded power supply system.
3. do not abuse the power cord. never use the power cord to carry the tools
or pull the plug from an outlet. keep the power cord away from heat, oil,
sharp edges, or moving parts. Replace damaged power cords immediately.
Damaged Power Cords increase the risk of electric shock.
4. when operating a power tool outside, use an outdoor extension cord marked
“w-a” or “w”. These extension cords are rated for outdoor use, and reduce the
risk of electric shock.
peRsonal safety
1. stay alert. watch what you are doing, and use common sense when operat-
ing this R/C Electric Racing Boat. Do not use while tired or under the influ-
ence of drugs, alcohol, or medication. A moment of inattention while operating
may result in serious personal injury.
2. Dress properly. Do not wear loose clothing or jewelry. Contain long hair.
keep your hair, clothing, and gloves away from moving parts. Loose clothes,
jewelry, or long hair can be caught in propellers.
3. avoid accidental starting. be sure the power switch is off before plugging
in. Carrying this R/C Electric Racing Boat with your finger on the Power Switch
invites accidents.
4. do not overreach. keep proper footing and balance at all times. Proper foot-
ing and balance enables better control.
5. use safety equipment. always wear eye protection. Always wear ANSI-ap-
proved safety goggles and work gloves when using or performing maintenance on
this product.
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pRoduct use and caRe
1. do not use the R/c electric Racing boat if the power switch does not turn it
on or off. Any tool that cannot be controlled with the Power Switch is dangerous
and must be replaced.
2. disconnect the power cord plug from the power source before making any
adjustments, changing accessories, or storing the R/C Electric Racing Boat.
Such preventive safety measures reduce the risk of starting accidently. always
unplug from its electrical outlet before performing any inspection, mainte-
nance, or cleaning procedures.
3. store out of reach of children and other untrained persons. Never allow Chil-
dren to come in contact with this product.
4. Maintain with care and keep clean. Properly maintained, this product is easier to
control. Do not use if damaged in any way. Tag and “Do not use” until repaired.
5. check for misalignment or binding of moving parts, breakage of parts, and
any other condition that may affect the R/c electric Racing boat’s operation.
if damaged, have it serviced before using. Many accidents are caused by poor
maintenance.
6. use only accessories that are recommended by the manufacturer for your
model. Accessories that may be suitable for one product may become hazardous
when used on another.
seRVice
1. Product service must be performed only by qualified repair personnel. Ser-
vice or maintenance performed by unqualified personnel could result in a risk of
injury.
2. when servicing this product, use only identical replacement parts. follow
instructions in the “Inspection, Maintenance, And Cleaning” section of this
manual. Use of unauthorized parts or failure to follow maintenance instructions
may create a risk of electric shock or injury.
specific safety Rules
1. Maintain labels and nameplates on the product. These carry important infor-
mation. If unreadable or missing, contact Harbor Freight Tools for a replacement.
2. Maintain a safe working environment. Make sure there is adequate surrounding
workspace.
3. always keep all electrical cords away from the propellers on this R/c electric
Racing boat.
SKU 95641
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4. if two boats with the same radio frequency are used (both with the same
numbers on the transmitter and/or Receiver), they must be at least 1640’
away from one another in order to maintain adequate transmission control.
5. before using in the water perform a distance check to be certain that you can
maintain radio control at least 25’ from transmitter to boat with the antenna
collapsed.
6. neVeR run R/c electric Racing boat in swimming pools or bodies of water
where people are swimming or playing.
7. neVeR recharge non-rechargeable batteries.
8. use only batteries of the type recommended. Do not mix old and new batteries.
9. Remove batteries from both the R/c electric Racing boat and the transmitter
if they will not be used for a long period.
10. people with pacemakers should consult their physician before using this
product. Electromagnetic fields in close proximity to a heart pacemaker could
cause interference to or failure of the pacemaker. In addition, people with pace-
makers should adhere to the following:
• Avoid operating this R/C Electric Racing Boat alone.
• Don’t use this product with the power switch locked on.
• If powered via a power cord be certain that the tool is properly grounded. A
ground fault interrupt (GFCI) system is also a good precaution. This inexpen-
sive device is a good safety measure because it prevents a sustained electrical
shock.
• Properly maintain and inspect all tools before use to avoid electrical shock.
11. never pick up, or lay down the R/c electric Racing boat until its propellers
come to a complete stop. Moving parts can grab the surface and pull the R/C
Electric Racing Boat out of your control and there is the possibility of damage, or
personal injury. When handling this Racing Boat, be sure to keep hands clear of
propellers at all times.
12. this product is for supervised use by ages 6 and up. Children must be prop-
erly trained in safety issues and operating procedures before being allowed to use
this product and must always be supervised by a responsible adult.
13. never leave the R/c electric Racing boat unattended when it is plugged into
its charger. Turn off the R/C Electronic Racing Boat and unplug it from its electri-
cal outlet before leaving. waRning: always remove the battery pack (16) from
the battery compartment when it is being charged.
14. always wear work gloves if removing the propellers (4a and/or 4b). The
blades can be very sharp. If the R/C Electric Racing Boat has been recently used,
SKU 95641
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let the Twin 380 Motors (8A and 8B) as well as both Drive Shafts (6B and 6C) cool
at least 15 minutes before touching.
15. do not recharge the battery pack (16) if it is hot.
gRounding
waRning!
improperly connecting the grounding wire can result in the risk of electric shock.
Check with a qualified electrician if you are in doubt as to whether the outlet is
properly grounded. do not modify the power cord plug provided with the tool.
never remove the grounding prong from the plug. do not use the tool if the
power cord or plug is damaged. if damaged, have it repaired by a service facil-
ity before use. If the plug will not fit the outlet, have a proper outlet installed by
a qualified electrician.
gRounded tools: tools witH tHRee pRong plugs
1. Tools marked with “Grounding Required” have a three wire cord and three prong
grounding plug. The plug must be connected to a properly grounded outlet. If
the tool should electrically malfunction or break down, grounding provides a low
resistance path to carry electricity away from the user, reducing the risk of electric
shock. (see 3-prong plug and outlet.)
2. The grounding prong in the plug is connected through the green wire inside the
cord to the grounding system in the tool. The green wire in the cord must be the
only wire connected to the tool’s grounding system and must never be attached to
an electrically “live” terminal. (see 3-prong plug and outlet.)
3. Your tool must be plugged into an appropriate outlet, properly installed and ground-
ed in accordance with all codes and ordinances. The plug and outlet should look
like those in the following illustration. (see 3-prong plug and outlet.)
SKU 95641
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double insulated tools: tools witH two pRong plugs
note: The Charger included with this R/C Electronic Racing Boat has a 2-Pronged plug.
1. Tools marked “Double Insulated” do not require grounding. They have a special
double insulation system which satisfies OSHA requirements and complies with the
applicable standards of Underwriters Laboratories, Inc., the Canadian Standard
Association, and the National Electrical Code. (see outlets for 2-prong plug.)
2. Double insulated tools may be used in either of the 120 volt outlets shown in the
preceding illustration. (see outlets for 2-prong plug.)
extension coRds
1. Grounded tools require a three wire extension cord. Double Insulated tools can
use either a two or three wire extension cord.
2. As the distance from the supply outlet increases, you must use a heavier gauge
extension cord. Using extension cords with inadequately sized wire causes a seri-
ous drop in voltage, resulting in loss of power and possible tool damage.
(see table a.)
3. When using more than one extension cord to make up the total length, make sure
each cord contains at least the minimum wire size required. (see table a.)
4. If you are using an extension cord outdoors, make sure it is marked with the suffix
“W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.
5. Make sure your extension cord is properly wired and in good electrical condition.
Always replace a damaged extension cord or have it repaired by a qualified electri-
cian before using it.
RecoMMended MiniMuM wiRe gauge foR extension coRds*
(120 oR 240 Volt)
naMeplate
aMpeRes
(at full load)
extension coRd lengtH
25 feet
50 feet
75 feet 100 feet 150 feet
0 – 2.0
2.1 – 3.4
18
18
18
18
18
14
12
18
18
18
16
14
12
10
18
18
16
14
12
10
-
18
16
14
12
10
-
16
14
12
12
-
3.5 – 5.0
5.1 – 7.0
7.1 – 12.0
12.1 – 16.0
16.1 – 20.0
table a
-
-
-
* Based on limiting the line voltage drop to five volts at 150% of the rated amperes.
SKU 95641
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symbology
Double Insulated
Canadian Standards Association
Underwriters Laboratories, Inc.
Volts Alternating Current
Amperes
V~
a
No Load Revolutions per Minute
(RPM)
n xxxx/min.
0
unpacking
When unpacking, check to make sure that the item is intact and undamaged. If
any parts are missing or broken, please call Harbor Freight Tools at the number shown
on the cover page of this manual as soon as possible.
note: Save the box and all Styrofoam packing that comes with this R/C Electronic Rac-
ing Boat. It is helpful for safe, secure storage when it is not in use.
asseMbly instRuctions
note: For additional information regarding the parts listed in the following pages, refer
to the Assembly Diagram on page 15 of this manual.
1.
waRning! Make sure the Power Switch of the Transmitter (20) is in its “OFF”
position and that the R/C Electric Racing Boat is unplugged from its electrical outlet
before making any adjustments.
2. Remove the R/C Electric Racing Boat, the Transmitter and all parts from the box.
Check to make sure everything is included as per the parts list on page 14 in this
manual.
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figure 1
3. Remove the Deck Cabin (1) by twisting the two Buttons at the back of the Deck
Cabin (1) to OPEN. This will expose the Battery Compartment. See figure 1.
note: There is another Button for locking and unlocking the Deck Cabin (1) and it is
located on the front section of the Deck Cabin (1). It is not shown in figure 1. Be
sure it is also locked before using the R/C Electric Racing Boat.
figure 2
Electric Speed Controller
Receptacle from Electric
Speed Controller
Plug from Battery Pack
Battery Pack
4. If the Battery Pack (16) is plugged into the Electric Speed Controller (18), unplug
them and remove the Battery Pack (16) from the Battery Compartment so it may
be charged completely. See figure 2.
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note: The Rechargeable Battery should be charged fully before its first use in order to
get maximum run-time for your R/C Electric Racing Boat. See Charging Instruc-
tions on page 10.
5. After fully charging the Battery Pack (16) replace it into the Battery Compartment
and plug it into the Electric Speed Controller (18).
6. Replace the Deck Cabin (1) and lock it into place with the two Lock Buttons at the
rear.
7. Install the Antenna Tube (3) over the string Antenna that dangles from the right rear
of the Hull (2). See assembly diagram on page 15.
8. Make sure the Power Switch on the Transmitter (20) is in the OFF position. Open
the Battery Compartment located on the bottom of the Transmitter (20). Insert new
8 AA Batteries (not included) making sure positive and negative ends are facing in
the correct direction. Replace the Transmitter Battery Compartment cover.
9. After reading the Operation Instructions carefully you may launch your R/C Electric
Racing Boat.
note: see photo on page 16 of this manual for complete idea of inside Hull layout.
cHaRging tHe batteRy
1. Plug the Charger (17) into a 120V wall outlet, or into an extension cord that is con-
nected to a 120V outlet.
2. After removing the Battery Pack (16) from the Battery Compartment under the
Deck Cabin (1), plug the Battery Pack (16) into the Charger (17).
note: Do not force the connectors as they will only connect one way. Charge the bat-
teries only when they are cool.
3. Charging time is approximately 3.5 to 5 Hours for totally discharged Battery Pack
(16), but charging time may be reduced if the Battery Pack (16) is not fully dis-
charged.
4. When Charging is completed, re-insert the Battery Pack (16) into the Battery Com-
partment and fasten down the Deck Cabin (1) using the two lock buttons at the
back of the Deck Cabin (1) and one at the front.
waRning
To prevent serious injury from fire or battery explosion:
do not cHaRge foR MoRe tHan 5 HouRs! The charger will not turn off or
stop charging when the battery is fully charged. Disconnect battery from charger
when battery gets hot. Overcharging can damage the Battery Pack and can pose a
fire hazard!
ReV 07e
SKU 95641
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opeRation instRuctions
using tHe tRansMitteR to steeR
note: See figure 3 for Transmitter (20) layout.
1. When you push the Throttle Lever on the Transmitter (20) forward, the Twin Pro-
pellers will rotate at the same time and speed pushing the Racing Boat forward.
2. When you move the Steering Lever to the left, the Right Propeller will rotate faster
and the Racing Boat will turn left..
3. When you move the Steering Lever to the right, the Left Propeller will rotate faster
turning the Racing Boat to the right.
figure 3
transmitter
Antenna
Battery Level Indicators
Throttle Trim
Steering Lever
Throttle Lever
Steering Trim
Throttle Inverter
Steering Inverter
Crystal
Power Switch
4. the transmitter layout is as follows:
a. battery level indicators: green light means transmitter batteries are
strong. If Red light is flashing and a beeping is heard, replace the 8 AA Bat-
teries at once.
b. throttle trim: Adjusts the Throttle in small increments so the R/C Electric Racing
Boat will not move when the Throttle is at it’s minimum position.
c. throttle lever: Controls the speed of the R/C Electric Racing Boat and it’s move-
ment forward.
d. inverter buttons: Used for changing direction for steering. This boat cannot
travel in reverse, however.
ReV 07e
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e. crystal: This shows the channel you are transmitting on. You can order crystals
in different channels in order to race with other boats without transmission interfer-
ence.
f. steering lever: Used to turn R/C Electric Racing Boat to the left or right.
g. steering trim: Used to make slight adjustments in order to keep Boat on straight
path if Steering Lever is not being used.
h. power switch: On - Off button. Make sure it is always in the OFF position before
picking up the R/C Electric Racing Boat.
using tHe Radio contRolled electRic Racing boat
1. With the Transmitter Power Switch and the boat power switch both in the OFF po-
sition, place the Racing Boat in the water pointed away from the edge of the water
space.
2. Move the Power Switch to ON and gently push the Throttle Lever forward to move
the Racing Boat forward.
3. At first using low speeds practice turning and making the Racing Boat react to the
commands of the Transmitter.
4. Set the Throttle Trim and the Steering Trim before increasing speeds.
5. Be aware of the time. Do not run out of power while the Racing Boat is located far
away from the launch area. Once the power is depleted the Racing Boat will stop.
6. Always make sure you are away from others while using your R/C Electric Racing
Boat in order to prevent accidents and/or personal injury.
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inspection, Maintenance, and cleaning
WARNING! Make sure the Power Switch of the R/C Electric Racing Boat is in its
“OFF” position and it is unplugged from its electrical outlet before performing any
inspection, maintenance, or cleaning procedures.
1. befoRe eacH use, inspect the general condition. Check for loose screws,
misalignment or binding of moving parts, cracked or broken parts, damaged electri-
cal wiring, and any other condition that may affect its safe operation. If abnormal
noise or vibration occurs, have the problem corrected before further use. do not
use damaged equipment.
2. afteR eacH use, inspect the Racing Boat’s transmission shaft and bearing for
water. Water may accumulate after each use, resulting in rust or blocked trans-
mission shaft. Dry the transmission shaft by taking the propeller down, unscrew-
ing and removing the shaft struts and drying the shaft and strut bearings. Adding
lubricant to the shaft and bearings will also help prevent rust. Once done, reinstall
all pieces.
changing boat frequency
a. Turn off the boat and the remote control.
b. Open the tabs of the boat cover and unscrew the electric speed controller hous-
ing.
c. Lightly hold down the circuit board and replace the crystal.
d. Screw down the electric speed controller housing and lock the top cover of the
boat with the tabs.
e. Pull out and replace the crystal on the controller to match the crystal in the boat.
The controller will only control the boat if it has the same frequency.
troubleshooting
problem
possible causes
probable solutions
R/C Electric Racing
Boat will not start
1. Low Transmitter Batteries.
1. Change the old 8-AA Batteries in
Transmitter (20) for new ones.
2. Battery Pack (16) not connected to 2. Remove the Deck Cabin (1)
the Electric Speed Controller (18).
and make sure the Battery Pack
(16) is properly connected to the
Electronic Speed Controller (18)
Refer to figure 2.
R/C Electric Racing
Boat will not steer
straight or follow
turning commands
correctly
One, or possibly both of the Propellers Turn off all power and check both
(4A and 4B) are damaged or possibly Propellers (4A and 4B) for damage or
fouled with debris.
fouling and if necessary, replace one
or both.
ReV 07f
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problem
possible causes
probable solutions
R/C Electric Racing
Boat moves or
1. Low Transmitter Batteries.
1. Change the old 8-AA Batteries in
Transmitter (20) for new ones.
turns without any
commands from your
transmitter.
2. Someone else is operating a Radio 2. Change frequency crystals on your
Controlled device in the area. Transmitter (20) and boat.
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paRts list
part
description
Deck Cabin
Q’ty
1
part
10
11
description
Motor Housing Screws
Electric Speed Controller Housing
Electric Speed Controller Screw
Motor Housings
Q’ty
1
2
3
4
4
1
1
2
1
2
1
1
1
1
1
Hull
1
Antenna Tube
Shaft Strut
1
12
13
14
15
16
17
18
19
20
2
4A/4B Left and Right Propellers
Shaft Housing
6A/6B Left and Right Drive Shafts
1 ea
2
Battery Box
5
Battery Box Screws
Battery Pack
1 ea
1
6C
7A
Shaft Coupling
Charger
Motor Shaft Adaptor
1
Electric Speed Controller
Crystal Set
7B/7C Left and Right Motor Fans
8A/8B Left and Right 380 Motors
1 ea
1 ea
1
Transmitter
9
Motor Retainer
please Read tHe following caRefully
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEM-
BLY DIAGRAM IN THIS MANUALAS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER
OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER
THAT HE OR SHE IS qUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR
SHE IS qUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER
AND/OR DISTRIBUTOR ExPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS
SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE
BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITYARISING OUT OF HIS OR HER REPAIRS
TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS
OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
07g
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asseMbly diagRaM
Record product’s serial number Here:
note: If product has no serial number, record month and year of purchase instead.
note: Some parts are listed and shown for illustration purposes only, and are not avail-
able individually as replacement parts.
07g
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inteRioR of cabin layout
Twin 380
Motors
Electric Speed
Controller (18)
Battery Pack
(16)
Twin Propeller
Shafts
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