Tomahawk Viper Jet Manuale di istruzioni
Tomahawk Design
Building Instructions for the
Viper Jet
Tomahawk Design
Zur Rothwies 4
89284 Pfaffenhofen / Roth GERMANY
info@tomahawk-design.de
www.tomahawk-design.de
No liability for orthographic mistakes Subject to change without Notice
Version 09-2010 Made in Germany
Page 1
Table of contents
Description and technical data Page 2
Safety instructions Page 3….5
Warranty Page5
Building instructions Pages 6….20
_____________________________________________
Description
The Viper was designed as an exceptional Sportjet. The high level of prefabrication enables one to
complete the kit in a swift and easy manner. All control surfaces are prehinged and the accessories are
hand picked and the whole setup fully optimized. The ducted intake makes for a direct and unobstructed
airflow and increases performance.
Technical Data
Wingspan 1040 mm / 41 inches
Length 970 mm / 38 inches
Flying weight depending on equipment ca. 980 g / 34.5 ounces
Channels Ailerons, elevator, rudder and throttle
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Safety instructions
•Building Instructions
•Please read the complete manual in its entirety before you begin the build and before you do the
maiden flight, including the Safety Instructions. Should there be any questions please contact the
manufacturer Tomahawk Design.
•Keep this manual. Should you sell this model airplane hand this manual over to the new owner and
pilot.
2.
Hazard notes
•Unapropriate assembly or use of model airplanes can lead to damage of property, financial damage,
severe injuries or even death and permanent damage to ones health or the health and lives of
animals.
•Keep away from the intake, the engine and fan unit. The blades can possible cause injuries and the
scoops can possible suck in ones hair.
•The loud noise generated by EDF units can lead to hearing damage. We recommend the use of
adequate ear protection.
•The manufacturer and the distributor are not accountable for damages and accidents caused due to
the use of this model as they have no control over the proper use of product and safety measures.
The user shall determine the suitability of this product for his or her intended use, and shall assume
all risks and liability in connection therewith.
3.
Application
•The described model is not a toy. It only belongs into the hands of experienced adults and is
intended to be used as a model airplane only. Transportation of items, animals or even humans is
prohibited.
4.
Damage Limits
•TOMAHAWK DESIGN OR IT'S DISTRIBUTORS SHALL NOT BE LIABLE FOR SPECIAL,
INDIRECT OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR
COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCT, WHETHER SUCH
CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. Further,
in no event shall the liability of Tomahawk Design or it's distributors exceed the individual price of
the Product on which liability is asserted. As Tomahawk Design and it's distributors have no control
over use, setup, final assembly, modification or misuse, no liability shall be assumed nor accepted
for any resulting damage or injury. By the act of use, setup or assembly, the user accepts all
resulting liability. If you as the Purchaser or user are not prepared to accept the liability associated
with the use of this Product, you are advised to return this Product immediately in new and unused
condition to the place of purchase.
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Seite 3
5.
Skills and Expertise
•The completion and use of this model airplane is for experienced adults. This is not a toy. This product
is not intended for use by children without direct adult supervision.
•Should you be in need of advice or help please contact experienced model airplane builders and pilots
or join your local flying club.
6.
Building, Maintenance and Repairs
Follow the instructions in the building manual and use only the included parts and materials in order to
operate correctly and avoid damage or injury.
•Follow the instructions regarding center of gravity (CG) and control throws.
•Always make sure that all controls are functioning per the transmitter input that you are giving and
make sure that all components are functioning and installed right. Should there be visible or audible
damage do not proceed.
•Keep the model airplane in a secure location, safe from direct sunlight or heat.
•Repair and Maintenance of the EDF unit are only to be made by trained technicians. Contact your
dealer should you have any questions.
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•Never get closer to the intake scoop for less than 6 inches. Ensure that others and especially
children keep the necessary distance.
•Keep away from power lines and other aircraft.
•Do not operate this model airplane while under the influence of alcohol, drugs or medication.
•Always make sure that the model airplane is properly trimmed and that the Center of Gravity (CG) is
correct.
Warranty
Tomahawk Design warranties that the Products purchased will be free from defects in materials and
workmanship at the date of purchase by the Purchaser. Please contact your dealer should you have
any questions.
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Table of content – Building instructions:
Picture 1……10 Wing assembly
Picture 11
….
15 Elevator assembly
Picture 16
….
18 Rudder assembly
Picture 19
….
21 Canopy assembly
Picture 22
….
33 Fuselage assembly
Picture 34
….
35 CG and decals
Picture 36
….
37 Parts list
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2. Glue the fiberglass tube into place in the
wing-midsection
Wing assembly
1. Install and glue the 4 wooden formers into
the wing-midsection. Test-fit all parts before
applying glue. Do the same for all of the
following build steps
3. Install and glue the right wing-panel to
the midsection followed by the one on the
left.
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4. Install the fiberglass tubes using CA.
6.Conect the servo (2) with the servo
linkage (1) !ATTENTION! Test the sub trim
of the servo. Only apply glue to the servo
flaps when you install them in the prepared
servo cutouts on the bottom of the wing.
Extend the servo lead to a total length of
55mm or 2.2 inches. Test the settup when
done.
5. Insert the joint (1) (milled from
aluminum) into the ruder horn (2) (cast
part). Loosely install the M3 (Metric size
3) set screw (3)
(4) Glue the ruderhorn assembly into
place.
3
2
1
4
21
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9. Insert the servo lead into the cutout
channel and thread the servo
connector through the foam wing to
the other side.
You can carefully use a flathead
scredriver to accomplish this step of
the build.
Repeat steps 5 through 9 to finish the
other wing panel.
8. Cut free both sides of the ailerons using
a sharp hobby knife. Carefully bend the
ailerons up and down to „loosen“ the
hingeline. Make sure not to overextend the
ailerons
DO NOT cut off the ailerons at the
hingeline.
7. Install the thin fiberglass rod on the
bottom of the wing and glue into place
using CA, applying it to the full length of
the fiberglass rod. If needed shorten the
fiberglass rod to the right length.
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10. Insert the servo leads into the
prepared slots (1). Glue the plywood
reinforcement part (2) with former (3).
(4) Install the blind nut and glue it to the
wood. Once finished glue this assembly to
the center wingsection.
12. Bend the servo linkage according to
the drawings.
31mm equal 1.2 inches, 18mm equal 0.7
inches, 12mm equal 0.5 inches the
number on the right reads 4 degrees.
Elevator assmebly
11. Insert the joint (milled from aluminum)
into the ruder horn (cast part). Loosely
install the set screw.
4
3
2
1
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2010
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Seite 10
Indice
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