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Micro Gloster Javelin
Assembly and Setup Manual
Specifications
Recommended Power System
Wingspan
12"
RX/ESC/Servo
Spektrum AR6400 (or similar)
Overall Length
14.88"
Parkzone P-51 Motor & Gearbox (PKZ3624)
2
Wing Area
73.98 in
Motor
or
Flying Weight
1.25oz / 34g
Hobbyzone Champ Motor & Gearbox (HBZ4930)
Intended Use
Indoor/Calm Winds
Battery
160mAh 1S 3.7V 25C LiPo (or similar)
Revised 2015-11-21
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Table of Contents
Related Manuals for Sawn Craft Micro Gloster Javelin
Summary of Contents for Sawn Craft Micro Gloster Javelin
- Page 1 Micro Gloster Javelin Assembly and Setup Manual Specifications Recommended Power System Wingspan 12” RX/ESC/Servo Spektrum AR6400 (or similar) Overall Length 14.88” Parkzone P-51 Motor & Gearbox (PKZ3624) Wing Area 73.98 in Motor Flying Weight 1.25oz / 34g Hobbyzone Champ Motor &...
- Page 2 Thank you from Sawn Craft. Thank you for purchasing the Sawn Craft Micro Gloster Javelin aircraft. Like the full‐scale Gloster Javelin, in your hands is a remarkably versatile airplane designed to deliver a pleasure cruiser with an incredible look. The lightweight and rigid XPS 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 Gloster Javelin 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. I 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. Jonathan Sawn Owner, Sawn Craft Jonathan@Sawn‐Craft.com ...
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Page 3: Table Of Contents
Table of Contents 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 Parts Sheet Removal 4 2.2 Fuselage Lamination 5 2.3 Wing Reinforcement Lamination 6 2.4 Elevon Hinging 7 2.5 Electronics Installation 8 2.6 Skid Installation 10 2.7 Control Rod Installation 11 2.8 Fuselage Installation 12 ... -
Page 4: 1 Introduction
Sawn Craft Micro Javelin Manual 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 • Foam‐safe adhesive • 3M Blenderm tape or Clear packing tape • 200‐grit Sandpaper • Soldering iron & solder ... -
Page 5: Required Parts For Completion
Sawn Craft Micro Javelin Manual 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. The list below contains the tested and recommended parts for your model: • 1S LiPo “Brick” ‐ ParkZone Receiver/ESC DSM2/X ‐ Part #PKZ3352 • Ultra‐Micro Gearbox – HobbyZone Gearbox (No Motor): Champ ‐ Part #HBZ4929 • Ultra‐Micro Motor – HobbyZone Motor: Sukhoi/Champ – Part#PKZ3516 • Ultra‐Micro Motor (HP) – ParkZone Motor: Ultra Micro P‐51 ‐ Part #PKZ3616 • Propeller – E‐Flite Prop and Spinner 130 x 70 (2) ‐ Part #EFL9051 • 1S LiPo Battery – Turnigy Nano‐Tech 160mAh 25c 1S LiPo ‐ Available from Sawn Craft 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. • Sawn Craft Custom Decal Sheets • Colored Packing Tape 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. Also, the construction techniques of many of our aircraft are extremely similar. Though we will try to include as many photos of your specific kit in this instruction, other kit assembly photos may be used if the ... -
Page 6: Included Parts Description
Sawn Craft Micro Javelin Manual 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. Main Wing KFm Step Fuselage Half (2 each) Vertical Stabilizer Horizontal Stabilizer Elevon (2 each) Skid (2 each) Ventral Fin Micro Control Horn (4 each) 3” x 0.024” Control Linkage Wire (2 each) 6” 0.083” Carbon Rod 2” 3mm Heat Shrink Tube (2 each) 12” Micro Wire Micro Velcro (not shown) f g d c a f e m j k Page 3 151120 Micro Javelin Manual.docx ... -
Page 7: 2 Assembly Instructions
Sawn Craft Micro Javelin Manual 2 Assembly Instructions 2.1 Parts Sheet Removal • Parts Required: o Kit Parts Sheets o Hardware Pack Lay both kit parts sheets out as well as the hardware pack to inspect for damage and confirm that all pieces are in the kit. If you find that there is an issue, please send an email to Support@Sawn‐ Craft.com and we'll get right back to you. Using a sharp hobby knife carefully cut the foam parts out of the sheets. The small tabs holding the parts into the sheet can sometimes be tricky to find so if you have trouble removing a part from the sheet keep looking for that last tab. Once out of the sheet, you may choose to clean up the remaining tab on the foam pieces with some sandpaper. Page 4 151120 Micro Javelin Manual.docx ... -
Page 8: Fuselage Lamination
Sawn Craft Micro Javelin Manual 2.2 Fuselage Lamination • Parts Required: o Fuselage Half (2 each) o 6” 0.083” Carbon Rod 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. 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. Separate the two fuse halves and insert the carbon rod into one of the recessed slots. 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. Once cured, sand leading edges to your liking. Page 5 151120 Micro Javelin Manual.docx ... -
Page 9: Wing Reinforcement Lamination
Sawn Craft Micro Javelin Manual 2.3 Wing Reinforcement Lamination • Parts Required: o Main Wing o KFm Step Lay the main wing on the table with the milled brick location markings slot facing up. Apply a bead of glue around the entire perimeter of the KFm Step. 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. 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. Once cured, sand leading edges to your liking. Page 6 151120 Micro Javelin Manual.docx ... -
Page 10: Elevon Hinging
Sawn Craft Micro Javelin Manual 2.4 Elevon Hinging • Parts Required: o Elevon (2 each) o Micro Control horn (2 each) o Main Wing Warning: This process involves using extremely sharp cutting blades. Care must be taken to avoid injury. Elevon Setup Lay the elevons on the table with the leading edge facing yourself and the wide part of the elevons on the outside. 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, ensuring that you have both a left and right elevon. Dry fit a micro control horn into the slots, ensuring that the hinge bevel is facing down. Place the elevon 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 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. Page 7 151120 Micro Javelin Manual.docx ... -
Page 11: Electronics Installation
Sawn Craft Micro Javelin Manual 2.5 Electronics Installation • Parts Required: o Main Wing Assembly o RX/ESC/Servo “Brick” o Motor & Gearbox w/Prop o 12” Micro Wire o 3mm Heat Shrink Tube Cut the motor and battery wires on your brick approximately in the 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. Warning: This process involves using soldering equipment that is extremely hot. Extreme caution must be taken Glue the RX/ESC/Servo “Brick” on the top of the main wing at the location marked by a square, just behind the prop slot. Ensure that the servo gears are facing forward and the brick and all wires are completely clear of the prop. Page 8 ... - Page 12 Sawn Craft Micro Javelin Manual If you already have a prop on your gearbox from another aircraft you will need to remove the prop and install it "backwards". By this, you will screw the prop onto the motor shaft with the molded‐ in numbers on the prop facing the motor. This is done because of the location of the motor/gearbox as compared to the other aircraft's stock location. Glue the motor onto the top of the main wing by inserting the motor mounting pins into the pre‐ cut alignment dots in the wing with the prop located inside the open slot. Route the motor wires around the slot and to the brick and cut the micro wire to the proper length. Solder the motor plug onto the micro wire and cover with heat shrink tube. Use small pieces of tape or glue to secure the motor wires around the slot. Plug the completed, longer motor wire into the brick. Alignment Dots We have found that some pilots prefer to have some down‐thrust in their motor as opposed to it being mounted flush on the main wing when using more powerful motors. To do this, simply add a small piece of scrap foam below the rear of the motor/gearbox assembly (the non‐prop side) and glue the assembly down as you would normally. Doing this can prevent some unwanted climbing under power, but otherwise doesn’t noticeably change the flight characteristics. Page 9 151120 Micro Javelin Manual.docx ...
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Page 13: Skid Installation
Sawn Craft Micro Javelin Manual 2.6 Skid Installation • Parts Required: o Main Wing Assembly o Skid (2 each) o Ventral Fin Lay the main wing assembly on the table with the KFm step facing down. Apply a bead of glue down the entire length of the top of the skid. Slot Press the glued side of the skid onto the Main Wing, aligning the slots on the wing with the tabs on the skids, and gently press the parts together to spread the glue evenly. The straight section on the bottom of the skid will go toward the rear of the plane. Glue the ventral fin in the center slots. The rounded protrusion on the bottom of the skid will go toward the rear of the plane. Allow glue to cure before proceeding. ... -
Page 14: Control Rod Installation
Sawn Craft Micro Javelin Manual 2.7 Control Rod Installation • Parts Required: o Main Wing Assembly o 0.024" Control Rod Wire You will now bend the control rod wire into the proper shape. Using a pair of needle nose pliers, bend the wire into the shape as described in the images below. You will have a Z‐bend on either end of the wire with an adjusting V‐bend in the center. The proper distance between the parallel flats of the two Z‐bends are 50mm. Use the V‐bend in the center to adjust the length by pinching or squeezing the V. Attach the control rods to the control horns and the servos. Secure the control horns in their slots with glue and let the assembly sit until the glue has cured. Page 11 151120 Micro Javelin Manual.docx ... -
Page 15: Fuselage Installation
Sawn Craft Micro Javelin Manual 2.8 Fuselage Installation • Parts Required: o Main Wing Assembly o Fuselage Assembly o Micro Velcro Apply a bead of glue down the entire length of the flat spot on the slot at the rear of the fuselage assembly. Also apply glue on the inside edges of the main wing assembly fuselage slot. Press the glued side of the fuselage 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. Apply a piece of tape just under the leading edge of the wing where it attaches to the fuse. Attach a piece of hook and loop material to the top of the tape for battery mounting and adjustment. Micro Velcro ... -
Page 16: Vertical Stabilizer Installation
Sawn Craft Micro Javelin Manual 2.9 Vertical Stabilizer Installation • Parts Required: o Aircraft Assembly o Vertical Stabilizer o Horizontal Stabilizer You may choose to gently round the edges of the foam on the leading edge of the horizontal and vertical stabilizers with sandpaper before proceeding. Round Edges Apply a bead of glue down the entire length of the top of the vertical stabilizer. Press the horizontal stab onto the top of the vertical stabilizer using the alignment slots. Allow the glue to cure before moving on. Apply a bead of glue down the entire length of the bottom of the vertical stabilizer assembly. Press the glued vertical stab assembly onto the top of the main wing assembly onto the proper slots, ensuring that the stab sits evenly on the wing. This completes the build process! Page 13 151120 Micro Javelin Manual.docx ... -
Page 17: 3 Setup And Tuning
Sawn Craft Micro Javelin Manual 3 Setup and Tuning 3.1 Center of Gravity The CG of this plane is located approximately 1/4” in front of the prop slot. Moving the CG fore and aft will dramatically change the handling of the plane so adjust to your liking. An aft CG will allow for slow, high‐alpha flight while a more fore CG will provide a faster flight experience. Use the included hook and loop fastener to adjust the fore/aft location of the battery to adjust the CG without adding additional weight. 3.2 Radio Setup & Mixing Depending on the transmitter and “brick” that you are using to control your model you may find that you need to do some special setup to make the controls work properly. This is especially true for elevon controls so below are a list of tested radios and the mixes used to make the controls function properly with the recommended brick. Elevon Mixing Reference Transmitter Wing Mode Mix 1 Mix 2 Notes You must reverse either the elevator or Spektrum DX6i Delta N/A N/A aileron for proper movement Control throws may be reduced when using Spektrum DX7s this mix, so the high and low rate control Elevon ELE>LEL = ‐125% ... -
Page 18: Control Throws And Expo
Sawn Craft Micro Javelin Manual 3.3 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 1/4in (70%) 20% 3/4in (100%) 25% Rudder 1/4in (70%) 20% 3/4in (100%) 30% Elevon 1/4in (70%) 25% 3/4in (100%) 40% 3.4 Launching Launching this aircraft is very simple and is easy to do. Simply hold the airplane by the wingtip in one hand with your radio in the other. Advance the throttle to full and gently swing the aircraft forward, releasing it with wings level and a slightly up attitude. ... -
Page 19: Flying Tips
Sawn Craft Micro Javelin Manual 3.5 Flying Tips This aircraft is designed to fly in the space as small as a single basketball court. Being such light weight, it is recommended that this aircraft be flown indoors or outdoors in calm wind conditions. Always ensure that you are comfortable with the aircraft and its flight characteristics prior to flying in a small venue. Never fly over people or animals. This aircraft flies much “bigger” than it really is and the techniques of flying larger aircraft apply. Rudder turns will bank the aircraft so elevator will need to be added to maintain altitude. The delta‐wing design is inherently stable and makes this model a pure joy to fly! This model can fly slowly in high alpha flight, but when you drop the nose it is remarkably quick and nimble. Landing the aircraft is simple; keep some throttle applied and as the plane nears the ground, pull back on the elevator to flare. 3.6 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 our Custom Decal Sets or 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 acrylic craft paints have been used with success in the past as have permanent markers. Prior to using any paints or markers, test on a scrap piece of foam to ensure that it doesn’t damage the foam. Remember that any weight you add to the airframe will affect its performance so keep heavy applications of paint and decals to a minimum. 3.7 Repairs & Spare Parts Due to this models extremely light weight, it is surprisingly durable! If a part of the model is damaged it can typically be repaired using small pieces of packaging tape or by gluing using Beacon Foam Tac. If a part is damaged beyond repair, simply send us an email at Support@Sawn‐Craft.com as we have replacement parts for purchase. Page 16 151120 Micro Javelin Manual.docx ...
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