background image

Sawn Craft Micro F-22 Manual 

Page 2 

 

1311101 Micro F-22 Manual.docx 

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 o

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 th

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 

 

 

 

 

Summary of Contents for Micro F-22

Page 1: ... 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 ...

Page 2: ...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 instruct...

Page 3: ... 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 Setupand 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 ...

Page 4: ...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 th...

Page 5: ... 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 th...

Page 6: ...lease 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 Shrin...

Page 7: ... 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 wit...

Page 8: ...p 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...

Page 9: ...o Control horn 2 each o Main 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 sur...

Page 10: ...n 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 st...

Page 11: ...ies over and install two additional pieces of tape on the bevel side of the hinge to complete the tape hinge Dry fit a micro control horn into each slot ensuring that the hinge bevel is facing down Set assemblies aside 6 Place the elevator and main wing together with trailing and leading edges touching oriented such that the hinge bevel faces down when the KFm Step is facing up Use three small pie...

Page 12: ...ing edges touching oriented such that the hinge bevel faces down when the KFm Step is facing up Use two small pieces of tape to attach the smooth sides of the elevon and main wing together Flip the assembly over and install two additional pieces of tape on the bevel side of the hinge to complete the tape hinge 2 4 Skid Installation Parts Required o Main Wing Assembly o Skid 2 each 1 Lay the main w...

Page 13: ...lage assembly onto the main wing assembly sliding the fuse all the way back and gently slide the parts back and forth to spread the glue evenly Check that the front of the wing that is glued to the side of the fuse is straight and even on both sides of the fuse Allow glue to cure before proceeding 2 6 Vertical Stabilizer Installation Parts Required o Main Wing Assembly o Vertical Stabilizer Assemb...

Page 14: ...template assembly to hold the angle of the vertical stabs while the glue is curing Allow the glue to cure fully prior to proceeding 3 Secure the push rod z bends to the carbon rods by using glue and heat shrink tube Glue one rudder joiner control horn and dry fit the other Adjust the control rod length and then shrink the heat shrink tube to lock the z bend wire in place to ensure that the rudders...

Page 15: ... center Strip the insulation off the wire about 1 8 and tin the wires Strip and tin one end of the micro wire as well Cut pieces of shrink tube to cover the exposed wires Slide the shrink tube onto the wires leading to the motor Solder the micro wire to the motor wire ends matching polarity Once soldered slide the shrink tube over the completed solder joint and use a heat gun to shrink the tubes W...

Page 16: ...aged by the prop 5 Attach a piece of hook and loop material to the side of the fuse under the canopy for battery mounting and adjustment 6 Secure the push rod z bends to the carbon rods by using glue and heat shrink tube Adjust the control rod length and then shrink the heat shrink tube to lock the z bend wire in place to ensure that the elevator and rudders are straight with the main wing and ver...

Page 17: ...hout adding additional weight 3 2 Control Throws Expo By altering the amount of control throw the surfaces have you can fine tune the handling and performance Below are the recommended settings as tested that will provide a successful flying experience Throws are measured at the point farthest from the hinge Control Surface Low Rate Throw Low Rate Expo High Rate Throw High Rate Expo Elevator 1 2in...

Page 18: ...lane nears the ground pull back on the elevator to flare 3 5 Decorating Finishing The beauty of this aircraft is that you have the opportunity to finish it with the look that you desire We recommend using colored packaging tape available on the Building Supplies tab for decorating as it is easy to use lightweight and provides a nice glossy finish Water based paints have been used with success in t...

Reviews: