MicronWings Balsa Craft Cub Build Instructions Download | Manualshive

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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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Summary of Contents for Balsa Craft Cub

Page 1: ...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 Propel...

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 3: ......

Page 4: ...cular on the underside it will be difficult to attach them once the ribs are glued in place You may wish to attach the decals before you glue the ribs in place If doing so glue in all the ribs except the ones which will go directly over the decals This will give the wings their curve before attaching the decals The decals can then be applied to the curved wing and they will sit flat on the wing su...

Page 5: ...es as shown on the right below These are stuck in place on the tail surfaces Don t stick them where the wood is joined stick them over the gaps in the wood Use three for the elevator one on each side toward the tip and one on the inner part near the hinge Use the other two for the vertical stabilizer Use a hobby knife to separate the sticker from the paper and use tweesers or the blade of a hobby ...

Page 6: ...crews in the pack the smaller ones are not used they are supplied because they are used for the motor mount The screws are not screwed all the way in and the undercarriage slips in behind them Start building the fuselage frame Glue the three pieces in the image on the left below together Next glue in part T and part L Part M is inside part L on the sheet don t misplace it Finally glue in place par...

Page 7: ...t and check that all the slots line up and that it all fits together okay Then apply glue to the body former frame and glue one side on Glue the part that was pushed back slightly so it goes between the windows We suggest using Aquadhere glue White balsa glue for this part because it dries slower and gives you time to work Then glue in place the remaining body formers as shown here These body form...

Page 8: ...lush with the fuselage sides as shown in the image Glue in place the bottom nose cone piece Wet this piece with a few drops of water on both sides and allow a few minutes for it to soak in Then bend it carefully around the curve and secure it in place with model masking tape until the wood has dried out and it holds its shape Then glue it in place Glue the top nose cone in place Glue in the front ...

Page 9: ... hold the joints firmly together Carefully cut out the bottom cover with a fine hobby knife Glue the hardwood part on the right in the image onto the cover Allow the two tongues to protrude These are for locating and securing the cover in place There are two corner marks on the cover to help you align the hardwood piece Glue in the magnet into the balsa cover and the other magnet into the hardwood...

Page 10: ...urface of this hatch At this stage you may want to sand down the corners of the parts you just glued on They will be easier to sand down now than after the wings and tail plane are attached Remember not to sand down the area where the wings and tail plane attach You are now ready to glue the tail plane in place Ensure it is level The gear mounting board can be used to mount the receiver on the top...

Page 11: ...roduct link Servo 5320 Black SH Product Link As an example in this manual we will outline the procedure for setting up Option 1 with separate servos Mount the receiver to one side of the mounting board Servos can be screwed into the frame from the top where the wings attach Also mount the geardrive as shown here and feed the wires through to attach to the receiver You may need to widen the gap bet...

Page 12: ...ard in place The battery can be mounted directly under the receiver board The kit is supplied with two types of control linkage connectors and you may choose which ones you want to use The wooden type on the left screwed into the servo arms However we suggest you use the linkages shown on the right which are a more reliable way to set up your control system The kit is also supplied with two carbon...

Page 13: ...es should look like this Heat shrink is used to secure the joints and the U shaped hook can be used to make fine adjustment later similar to the effect of using trim on the transmitter These wooden sections are then cut out to allow the control surface to move Finally test your control surfaces with the receiver turned on You may need to dial down the throw so the control surfaces don t move too m...

Page 14: ...ry Note that after attaching this section you will no longer be able to easily access the servos or receiver to make adjustments without unscrewing the bottom mounting plate from underneath Glue on the wings ensuring they are level and have the same dihedral angle Insert some pins on a steep angle at the locations shown here to hold the wings flush with the centre cover as it dries Your airframe i...

Page 15: ... adjust the balance point The balance point should be 20mm from the leading edge of the wing 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 20mm ...

Page 16: ...ample 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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