RC WARBIRDS MiG-29 Retract Kit Manual Download | Manualshive

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Step 2: Main retract preparation

Each main retract former consists out of the
parts shown above. Before you begin
please read through this section and dry fit
all components.
NOTE: ensure that you build one right and
one left side retract mount.

Slot the 4x 3mm ply wood parts together as
shown above and glue with 30min epoxy.
Notice the difference between the 2 main
formers

Install the 4mm retract mounting plates as
shown above and glue with 30min epoxy
(apply the 30min epoxy to all areas that
have contact with the mounting plates).

Repeat the steps above for the 2

nd

retract

mount.
IMPORANT: Ensure to build one left and
one right hand side retract mount.

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Summary of Contents for MiG-29 Retract Kit

Page 1: ... install the retract kit before starting to build any other part of the plane as this will greatly ease the installation Before you start building the MiG 29 please go through the instructions on the following pages and study the pictures and building guidelines carefully Please also study the main MiG 29 construction manual as it will give you further hints which will ease the building process Yo...

Page 2: ...que example Hitec HS 65HB nose gear steering A rotary tool such as a Dremel will greatly help in the building process A drum sander and cutting disk is highly recommended to cut the necessary retract openings into the fiberglass fuselage Please note Due to the higher take off weight of the MiG 29 with installed retracts we highly recommend a setup with at least 2x Typhoon 2W 20 Motors suitable ESC...

Page 3: ... former set including 1x Forward former 3mm 2x Retract plates 4mm 1x Rear former 3mm 2x Main former set with each including 1x Forward former 3mm 1x Rear former 3mm 2x Support brace 3mm 2x Retract plates 4mm 1x Retract valve pushrod with clevis 1x Nose gear steering pull pull cable 4x Crimp rings 2x Threaded couplers 2x Clevis 4x Wheel collar 3mm 12x Retract mounting screws ...

Page 4: ...ubes are inserted into the 2 holes at the back of the main retract former and will form an arc from above the retract mounting plate to the bottom on each side Roughen the airtube with sandpaper and glue all parts with 30min epoxy Once the glue has dried test fit the nose retract unit and mark the mounting hole positions Remove the retract unit and drill 4x 2mm holes at the marked positions Turn t...

Page 5: ...the airtubes installed in the retract mount Next slide one of the supplied crimp rings over the wire and loop the wire through the steering arm After that pull the end of the pull pull cable through the crimp ring a second time For a stronger hold loop the end of the pull pull wire one more time from the front through the crimp ring Squeeze the crimp ring together with pliers Test that the wire is...

Page 6: ...ition A drop of silicon oil e g from RC Heli ball bearings can be used to lubricate the cable running through the airtube This will reduce steering cable friction Depending on the final model setup and required weight distribution for the correct center of gravity CG the retract valve can be installed into the model at a later stage as shown above or with the separate valve holder supplied with th...

Page 7: ... one right and one left side retract mount Slot the 4x 3mm ply wood parts together as shown above and glue with 30min epoxy Notice the difference between the 2 main formers Install the 4mm retract mounting plates as shown above and glue with 30min epoxy apply the 30min epoxy to all areas that have contact with the mounting plates Repeat the steps above for the 2nd retract mount IMPORANT Ensure to ...

Page 8: ... position of the mounting holes Ensure that the retract cylinder points towards the former with the wire cut out as shown above Drill the retract mounting holes 2mm drill and secure the retract unit in place Remove the retract unit The main retract mounting plates are now ready for installation in the fuselage ...

Page 9: ... recommended Main Retract Units The above cut out hast to be made for the main retract unit Mirror the template for the opposite side Before the retract slot can be cut the cutting area needs to be marked Masking tape does this job very well First measure 5mm forward towards the planes nose from the main wing spar The retract slot will be cut between the outer wing mounting wall and the air duct t...

Page 10: ...of the excess glue around the wing spar and fuselage sides In order to see if this is necessary slot the main retract unit through the cockpit into the fuselage and position it in place use the correct side Remove excess glue where required until you get a proper fit of the retract mount against main spar and fuselage wall where the wing meets the fuselage Ensure not to damage the main spar Roughe...

Page 11: ... from the center and 3cm 30mm towards the tail of the plane Use 2 parallel masking tapes as guide Measure and mark the cutout as shown above and on the dimension drawing For a closer fit between retract wire and fuselage it is possible to make the cutout smaller and later enlarge it once the retract mount has been installed Cut the marked area with a Dremel cutting disk and drum sander Sand round ...

Page 12: ...he fuselage on to which the formers are glued Trial fit the nose retract mount and sand the areas with 180 220 sand paper Once done glue the former in place with 30min epoxy and milled fiberglass NOTE Ensure that no glue touches the pull pull cable or runs into the airtube Use a spanner to hold the mount in place until the epoxy has cured ...

Page 13: ...fferent method Install the nose steering servo and nose gear wire Ensure that the gear wire or wheel does not touch the fuselage during retract operation as this might prevent the gear from deploying later Test steering and retract operation If the retract does not lock in down position reduce the pull pull cable tension Cut the following length from the supplied airline 3x 20cm 1x 30cm 1x 10cm As...

Page 14: ...the wheel collar screw will sit Install main gear wires and wheels Ensure the wheels can turn without binding Align the wheels and mark the position where the retract grub screw touches the retract wire File a flat spot in the retract wire This will prevent the retract wire from turning Mark the position of the wheel collar and file a flat spot on the gear wire where the wheel collar screw will si...

Page 15: ...ese items once the rest of the model has been completed as this will make correct CG positioning easier The retract valve is installed in the nose retract former as shown on page 6 The 9gram retract servo is wrapped in heat shrink and glued directly to the fuselage bottom A V bend in the pushrod between servo and retract valve prevents the servo from binding The air tank is glued with 2 drops of s...

Page 16: ...re not to puncture the airtube It is recommended to program your radio so that the steering servo is disabled in the retract up position Finish the model by following the instructions in the main construction manual WARNING Although the MiG 29 is a stable airplane it might cause serious personal injury and property damage if out of control We strongly urge you to seek the help of an AMA approved i...

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