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Cub
(Build Instructions)
Before You Start
This airframe has been designed to fit together easily with all components precision drilled and
CNC cut from high quality balsa and paulownia wood. However, you will be working with very
small components, so you will need patience and keen eyesight. We recommend working in a very
well-lit area and taking a break between stages to rest the eyes and hands. Most of all, take your
time, enjoy the building experience and you will be proud of what you have produced in the end.
Specifications
Wingspan: 37.5cm
Length: 27.5cm
Flying Weight: 25 -28grams
Channels: 3 (Rudder Elevator Throttle)
Suggested Receiver: 3 - 4Ch Micro
Airframe Kit
(Included Contents)
* Airframe Surface Parts (balsa)
* Airframe Skeleton (hardwood)
* Carbon pushrods
* Control linkages / heat shrink
* Undercarriage with Wheels
* Fine sand paper
* Decal Stickers
* Geardrive with 7mm Motor
* Propeller
Needed to Complete
* Thick CA Glue or UHU Hart Glue
* Slow-Drying White Model Glue
* Micro Phillips Head Screwdriver
* Hobby Knife
* Ruler
* Pins
* Fine Point Tweezers
* Hobby Masking or Other Tape
* Receiver Transmitter Charger Battery
(see instructions for suggested RC gear setup)
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Related Manuals for MicronWings Balsa Craft Cub
Summary of Contents for MicronWings Balsa Craft Cub
- Page 1 (Build Instructions) Specifications Wingspan: 37.5cm Length: 27.5cm Flying Weight: 25 -28grams Channels: 3 (Rudder Elevator Throttle) Suggested Receiver: 3 - 4Ch Micro Airframe Kit (Included Contents) * Airframe Surface Parts (balsa) * Airframe Skeleton (hardwood) * Carbon pushrods * Control linkages / heat shrink * Undercarriage with Wheels * Fine sand paper * Decal Stickers...
- Page 2 First, refer to this and the following pages to ensure that you have all the required airframe components in your kit. Decal Stickers Airframe Wooden Parts and additional parts...
- Page 4 Before starting you may wish to very lightly sand down all the flat surfaces of the parts if you want to have a smooth finish. It’s easier to do this initially, otherwise the ribs will get in the way of sanding when complete. When removing parts from the sheets, identify where the cut line is sectioned and cut that part with a sharp pointed hobby knife.
- Page 5 Make sure you have two opposite wings and not two left or right wings. We recommend UHU Hart Glue (Product Link) Lay out your tail-plane pieces and work out which side the control horns will need to go on. You will need to connect up your receiver and servos if using independent servos and look at which side the elevator and rudder are on.
- Page 6 Next we will start on the fuselage. Take the two sides and lay them on a flat surface. Glue the window surrounds in as shown. At this stage you can also attach the wheels to the undercarriage and secure them in place with some 0.6mm heat shrink.
- Page 7 From above – the slot for the motor is slightly pointing to the right. This is to give right thrust to the motor to counter the torque of the motor which tend to turn the plane to the left. Part: M Next glue in lace part “M”...
- Page 8 Finally, using slow drying glue again, glue the opposite fuselage side on. Use some model masking tape to hold the sides in place while this part dries. At this stage do not glue the two ends of the fuselage at the back together. A tail skid will be glued in there later.
- Page 9 Remove the piece of scrap balsa from the front of the bottom plate. Glue the bottom plate in place. We recommend using a slow drying glue to allow time to work. Also use model masking tape to hold the joints firmly together.
- Page 10 Glue in the hardwood piece with the magnet attached. But check which way this needs to be glued in. Remember the magnets need to attract to close the door. After allowing to dry well your hatch should fit like this. You may choose to use some of the scrap balsa from the kit to add some strengthening to the inside surface of this hatch.
- Page 11 Receivers The kit doesn’t come with a receiver or servos so it is up to you to choose which one is best for your needs. You may have a receiver from another model which you can fit. The two receivers below are suggested for this model.
- Page 12 Battery Info: We recommend a 130mah battery such as the one below. These are available on the MicronWings website for postage within Australia only. Product Link The kit is supplied with two types of control linkage connectors and you may choose which ones you want to use.
- Page 13 First, turn on your radio gear and make sure the servos are centered and all trims are set to neutral. Then attach the pushrods to the servos first. If using the control linkages (non-wooden type) use the clip type one to attach to the servo end.
- Page 14 Next attach the prop. Additional O-rings can be purchased on the MicronWings website. Product Link Next glue in place the central section for the wings. Once again tape it down with model masking tape and allow to dry. Note that after attaching this section you will no longer be...
- Page 15 Balance Point. Attach your battery and use it’s position to adjust the balance point. The balance point should be 20mm from the leading edge of the wing. 20mm Decorating We have supplied a range of stickers in this kit. So you can dress it up with the following styles. Lively Red and Blue Theme Traditional Basic Cub Theme...
- Page 16 A quick look over the Cub on the bench. Sample Flight Video. A few quick take-off and landing filmed outside in calm conditions. Copyright © MicronWings 2017: All rights reserved. This manual is for personal use only. No unauthorized copying or digital distributing permitted without permission from MicronWings.
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