Top Speed Tunnel Hull Instruction Manual Download Page 12

9. Install the radio box cover onto the radio box using clear

tape. Make sure the tape fully seals the radio box cover so
water does not enter the radio box.

10. Secure the radio box to the hull using a total of eight

rubber bands.

11. Attach the fuel lines from the fuel tank to the engine.

(See the instructions that came with your engine for more
details.) Allow enough slack in the lines to allow the engine
to move fully to the right and left without pulling on the lines,
possibly causing them to come off during operation. The fuel
tank is filled using the line connected to the carburetor.
When the tank is full, the excess fuel will come out of the
fuel line connected to the muffler.

12. Attach the upper tunnel to the hull using four #4 x 1/2"

Sheet Metal Screws and four #4 Washers.

13. Using 400-grit sandpaper, lightly sand the bottom of

the sponson and one side of the Speed Strip. Use a paper
towel and rubbing alcohol to remove any dirt or oil from the
sponson and speed strip. Position the speed strip so it
slightly overhangs the edges of the sponson. Glue the
speed strip onto the bottom of the sponson using medium
CA. Use the photos on the box for further positioning of the
speed strips.

NOTE: DO NOT reshape the speed strips. They are
designed to slightly overhang the edges of the sponson.
The sharp edge on the speed strip forces the water to
“break free” of the sponsor, rather than cling to it during
operation. This reduces the amount of water friction,
allowing the boat to “get up on plane” faster and operate at
a higher speed than without the speed strips. The only
modification to the speed strip would be to lightly sand the
edges to re-sharpen them if your Top Speed encounters
anything that damages the edges of the speed strip.

1. Using a scissors or a hobby knife, cut out the Decals.

2. Clean the exterior of your boat thoroughly with warm,

soapy water. Rinse and dry thoroughly.

3. Peel off the protective backing and apply the self-adhesive

decals, referring to the photos on the box label. HINT: To apply
large decals, peel only a small portion of the backing from one
end. Cut off the backing with a scissors. Then, position the
decal carefully. Press down the exposed portion of the decal
and remove the rest of the backing. Working from the attached
end, carefully press down the rest of the decal, working any air
bubbles out as you go.

Note: This section is VERY important and must NOT be
omitted! A model that is not properly balanced will be
unstable and possibly flip over during operation.

1. The balance point (C.G.) is located 7-1/2" [193mm]

forward of the transom. This is the balance point at which your
model should balance for your first runs. After initial trim runs
and when you become more acquainted with your Top
Speed, you may wish to experiment by shifting the balance
forward or backward to change its operating characteristics.
Changing the location of the CG will change the handling
characteristics of your boat. Read the “Operational Trimming”
section at the end of the manual thoroughly to “fine tune” the
performance of your boat.

Balancing Your Model

FINAL PREPARATIONS

Apply the Decals & Trim

FINISHING

12

Summary of Contents for Tunnel Hull

Page 1: ...his instruction manual in its entirety before beginning assembly It contains important instructions and warnings concerning the assembly and use of this model Warning THIS MODEL IS NOT A TOY Assembly...

Page 2: ...1 FINISHING 12 Apply the decals and trim 12 FINAL PREPARATIONS 12 Balancing your model 12 Operation check 13 Range check your radio 13 Engine safety precautions 13 Operating procedures 13 Operational...

Page 3: ...ommended but not required NOTE It is recommended one of the servos have at least 65 Oz In of torque for use as the steering servo Waterproof bag for receiver such as the Kyosho TR 12 waterproof rubber...

Page 4: ...wn in the photo Slide the cross member S onto the front of the sides there is a slight upward curve at the front 5 Apply a few drops of medium CA glue to the joints where the cross members meet the si...

Page 5: ...photo While holding the servos in place mark the locations for the servo mounting screws onto the tray Remove the servos and drill 1 16 1 6mm pilot holes through each mark Mount the servos with the s...

Page 6: ...ch will attach and drill a hole using a 3 16 4 8mm drill bit Secure the switch using the Switch Retainer 12 Place the Switch Actuator onto the switch with the hole in the actuator facing towards the r...

Page 7: ...This is where the weight to balance the hull will be placed 1 Locate the Upper Tunnel Trim the upper tunnel along the lines scribed onto the tunnel 2 Use a 1 8 3mm drill bit to drill four holes into t...

Page 8: ...bottom hull are joined 1 Assemble the FuelTank using the instructions included with the tank Use the 90 degree tube when assembling the fuel tank 2 Position the fuel tank as shown in the photo Use one...

Page 9: ...one of the pushrod seals in the radio box Attach the clevis to the steering arm of the engine 8 Position the engine so it is 90 degrees to the transom Enlarge the outer most hole in the servo arm usi...

Page 10: ...Nylon Retainer onto the screw lock connector post on the opposite side of the throttle arm 14 Slide a silicone clevis retainer onto the clevis Slide the cable into the pushrod housing starting from in...

Page 11: ...enna Tube to a slight taper this will permit you to thread the hex nut on 6 Grasp the antenna tube firmly and thread one of the 6 32 Hex Nuts 1 4 6mm onto the tube with a pliers HINT If you find it di...

Page 12: ...llowing the boat to get up on plane faster and operate at a higher speed than without the speed strips The only modification to the speed strip would be to lightly sand the edges to re sharpen them if...

Page 13: ...ial in your face or eyes Keep your face and body as well as all spectators away from the plane of rotation of the propeller as you start and run the engine Keep these items away from the prop loose cl...

Page 14: ...e reassembling To dry electrical components use a paper towel to absorb the water droplets Then use a hair dryer to make sure they are completely dry Dry the inside of the radio box and reinstall the...

Page 15: ...e Top speeds in the same race can be a lot of fun especially if they are all using battery packs having the same number of cells If you must race boats having large speed differences try giving the sl...

Page 16: ...DD 10 00 EXP DATE NEXT DAY AIR ADD 20 00 PLEASE SEND CATALOG IL RES ADD 7 25 TAX TOTAL NAME __________________________________________ ADDRESS_______________________________________ CITY______________...

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