Sawn Craft Micro F-22 Guide de l'utilisateur
Revised 2013-11-05
Micro F-22 Assembly
and Setup Manual
Specifications
Recommended Power System
Wingspan
12”
RX/ESC/Servo
Spektrum AR6400 (or similar)
Overall Length
17.28”
Motor
Parkzone P-51 Motor & Gearbox (PKZ3624)
Wing Area
66.86 in2
or
Flying Weight
1.2oz
Hobbyzone Champ Motor & Gearbox (HBZ4930)
Intended Use
Indoor/Calm Winds
Battery
160mAh 1S 3.7V 25C LiPo (or similar)
Thank you from Sawn Craft.
Thank you for purchasing the Sawn Craft Micro F-22 aircraft. Like the full-scale USAF F-22, in your hands
is a remarkably versatile airplane designed to deliver a pleasure cruiser with an incredible look. The
lightweight and rigid EPS and carbon construction makes it possible for you to experience a wide
performance envelope. This means that no matter how you like to fly, you’ll enjoy both stability and
maneuverability without any sacrifice in precision or control feel.
Your Sawn Craft Micro F-22 aircraft represents the benchmark of ultra-micro performance and aerobatic
versatility. All you have to do next is read and apply the information presented in this instruction
manual.
We sincerely hope that you enjoy your model as much as we do! If you have any troubles with these
instructions or in the setup of your model feel free to contact us and we will provide you with the
service you expect from a hobbyist-owned and operated business.
Table ofContents
1 Introduction 1
1.1 Style Conventions 1
1.2 Required Tools & Supplies 1
1.3 Required Parts for Completion 2
1.4 Included Parts Description 3
2 Assembly Instructions 4
2.1 Fuselage Lamination 4
2.2 Wing Reinforcement Lamination 5
2.3 Elevator/Elevon & Rudder Hinging 6
2.4 Skid Installation 9
2.5 Fuselage Installation 10
2.6 Vertical Stabilizer Installation 10
2.7 Electronics Installation 12
3 Setup and Tuning 14
3.1 Center of Gravity 14
3.2 Control Throws and Expo 14
3.3 Launching 14
3.4 Flying Tips 15
3.5 Decorating/Finishing 15
3.6 Spare Parts 15
ARF & BNF Step 1
ARF Step 2
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1 Introduction
The contents of this manual assume the operator will have the following prerequisites:
Understanding of all appropriate safety procedures and requirements
The ability to follow written procedures and possess basic hobby building skills
1.1 Style Conventions
Below are the important style conventions that will be used throughout the guide.
Note: Key points or hints for success will be formatted in this manner.
Warning: Any area that poses either a physical hazard or the danger will be formatted in this manner.
Arrows inform where to click or to perform the specified operation.
Circled items inform of items of interest for the specified operation. Circled items will typically be
accompanied by text further identifying the region of interest.
1.2 Required Tools & Supplies
The list below contains all of the required tools and supplies that are required for the assembly and
tuning of this model.
Clean, flat work surface
#11 hobby knife
Straight-edge ruler
Soldering iron & solder
Heat gun
Wire cutters
Needle nose pliers
Foam-safe adhesive
Clear packing tape
200-grit Sandpaper on sanding block
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Sawn Craft recommends the use of Beacon Foam-Tac adhesive and 3M Blenderm Hinge Tape for the
construction of this model due to its strength, light weight, and easy use. Both Blenderm and Foam-
Tac can be purchased by visiting the Building Supplies tab on Sawn-Craft.com
1.3 Required Parts for Completion
This model was designed with the intention of putting to use the electronics that are used in today’s
popular 1S LiPo-powered Ultra-Micro aircraft. Once you have worn out the airframe on your
Hobbyzone© Champ or Parkzone© UM P-51 Mustang, simply remove the electronics and use them to
power this model. If you choose to purchase your power system components separately, Sawn Craft
does offer the Micro Electronics Kit that includes every part of the power system that you need. The list
below contains all of the required and recommended parts for the successful operation of this model.
1S LiPo “Brick”
Ultra-Micro Motor and Gearbox
Propeller
1S LiPo Battery
Please note that other power systems and components may be compatible and may work without
issue, but the listed components have been used successfully by Sawn Craft.
Optional Parts for Completion
To make your build easier and ensure the nicest looking finished product, the following products are
offered on Sawn Craft.com. See the Building Supplies tab for these products.
6” 1S Battery Lead Extension
5” Micro Motor Lead Extension
Colored Packing Tape
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1.4 Included Parts Description
Please inspect your kit and ensure that all listed parts are present and undamaged. If you find missing
parts or signs of damage please contact Support@Sawn-Craft.com for assistance.
a) Main Wing
b) KFm Step
c) Fuselage Half (2 each)
d) Vertical Stabilizer (2 each)
e) Elevator
f) Elevon (2 each)
g) Skid (2 each)
h) Vertical Stab Angle Template & Foot (2 each)
i) Micro Control Horn (4 each)
j) 2” x 0.032” Control Wire with Z-Bend (2 each)
k) 5” 0.040” Carbon Rod (2 each)
l) 6” 0.080” Carbon Rod
m) 1.5” 3mm Heat Shrink Tube (4 each)
n) 12” Micro Wire
o) 2” 1mm Heat Shrink Tube (2 each)
a
b
c
d
e
f
g
h
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2 AssemblyInstructions
The order of assembly presented in this instruction has been tested and it is recommended that you
do not differ from them to provide the most accurate and easiest assembly possible.
2.1 Fuselage Lamination
Parts Required:
oFuselage Half (2 each)
o6” 0.080” Carbon Rod
1) Lay both fuselage halves flat on the table with the recessed slot facing up. Apply a bead of glue
around the entire perimeter of one of the fuselage halves.
2) Press the unglued fuse half onto the glued fuse half, recessed slots facing each other, and gently
slide the parts around to spread the glue evenly.
3) Separate the two fuse halves and insert the carbon rod into one of the recessed slots.
4) Rejoin the two fuse halves, glue side toward each other, ensuring that the carbon rod already in
the slot aligns with the recessed slot on the other fuse half. Set the assembled fuse lamination
aside to allow the glue to cure. If desired you can place a flat weight (book, etc.) on top of the
lamination while curing to ensure a flat assembly.
5) Once cured, sand leading edges to your liking.
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2.2 Wing Reinforcement Lamination
Parts Required:
oMain Wing
oKFm Step
1) Lay the main wing on the table with the front-to-back vertical stabilizer location markings slot
facing up. Apply a bead of glue around the entire perimeter of the KFm Step.
2) Press the glued side of the KFm onto the Main Wing, aligning the leading edges of both parts, and
gently slide the parts around to spread the glue evenly.
3) Set the assembled fuse lamination aside to allow the glue to cure. If desired you can place a flat
weight (book, etc.) on top of the lamination while curing to ensure a flat assembly.
4) Once cured, sand leading edges to your liking.
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2.3 Elevator/Elevon & Rudder Hinging
Parts Required:
oElevator
oVertical Stabilizer (2 each)
oMicro Control Horn (4 each)
oMain Wing
or
oElevon (2 each)
oMicro Control horn (2 each)
oMain Wing
Elevator/Rudder Setup
Warning: This process involves using extremely sharp cutting blades. Care must be taken to avoid injury.
1) Lay the elevator on the table with the leading edge facing yourself and the control horn slot to the
left. Use a straight edge ruler and a hobby knife or a sanding block to cut an approximate 45° bevel
into the leading edge of the control surface. Set elevator aside.
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2) Lay the vertical stabilizers on the table with the bottoms facing you with the rudder cut lines
nearest each other. Carefully crack the rudder along the rudder line or use a straight edge ruler
and a hobby knife to cut down the rudder cut lines in order to separate the rudders. Remove the
lower rudder extension below the control horn slots using the same technique.
3) Lay the rudders on the table with the leading edge facing you. Use a straight edge ruler and a
hobby knife to cut an approximate 45° bevel into the leading edge of the control surface, ensuring
that you have a left and a right rudder. The bevel will face away from each other when installed on
the plane.
If you choose to use a glue hinge for your surfaces ensure you bevel the mating surface as well.
4) Lay the vertical stabilizers on the table with the bottom edge facing you and the trailing edges
facing each other. Use the sanding block to lightly sand the bottom edge of the stabs to cut an
approximate 68° bevel into the bottom edge of the control surface.
45° bevel
68° bevel
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