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Operating instructions
Upgrade Kit for
Hand Launch Glider "Jack"
Item no. 1406391
Intended use
The product is used to retrofit the hand launch glider "Jack" (Conrad item no. 1380217) with a
remote controlled electric powertrain system.
The following components to power the model, which are not included, are also required:
Programmable 4-channel computer radio control system with micro receiver, a Li-Po flight bat-
tery (2 cells, 7.4 V rated voltage, 350 mAh capacity) and a suitable charger with charging cable.
Certain tools and adhesives are required (also not included) for the installation.
The installation of the components and also the operation of the converted model require some
experience and accuracy in dealing with such models, in addition to a suitably equipped model-
making workshop. The retrofit kit is therefore not suitable for flight model sport beginners.
The present installation instructions show the common systematic installation of the retrofit kit
and is thus used to illustrate the required tasks.
Always observe the safety instructions and all other information included in these operating
instructions.
This product complies with the applicable national and European requirements. All names of
companies and products are the trademarks of the respective owners. All rights reserved.
Package Contents
• Retrofit kit (electric motor, propeller, flight control system, 2 micro servos, 1 mini servo,
Bowden cable, pushrods, control horns, small parts)
• Operating instructions
Latest operating instructions:
1. Open the website www.produktinfo.conrad.com in your
browser or scan the QR code on the right.
2. Select the type of document and the language and then
enter the corresponding order number into the search
box. Start searching and download the documents found.
Safety Instructions
The warranty will be void in the event of damage caused by non-compliance
with these safety instructions. We do not assume any liability for any resulting
damage!
We shall not accept liability for damage to property or personal injury caused
by incorrect handling or non-compliance with the safety instructions. The war-
ranty/guarantee will be void in such cases!
Attention, important note!
Operation of the model can cause damage to property and/or persons. Therefore, it
is imperative that you are sufficiently insured for the operation of the model, e.g., with
a liability insurance policy. If you already have liability insurance, find out from your
insurance company whether the operation of the model is covered before using the
model.
Please note: In some countries, you are required by law to have insurance for all
model aircraft!
• For safety reasons, any unauthorized conversion and/or modification to the components are
not permitted.
• The product is not a toy and it should be kept out of the reach of children.
• When handling the tools, note the increased risk of injury. Observe the safety and application
instructions of the adhesives you are going to use.
• Observe the safety instructions of the respective operating instructions of the remote control,
the charger and the LiPo battery that you are going to use.
• Check whether you will need a permission for the roofed climb-out terrain from the site's
owner, an authority or the air traffic control.
• Do not leave the packaging material carelessly lying around, since it could become a danger-
ous plaything for children.
Installation
Process steps to Figure 1:
• Remove the moulded part located in the centre of the wing panel (1).
• Make a cut into the tails of the ailerons (circled marks) and by repeatedly moving them back
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and forth make them passable.
• Glue the Bowden cables for the ailerons linkage with the appropriate glue. Use the approxi-
Version 12/15
mately 110 mm long tube (2) for the right aileron and for the left aileron, the 120 mm long tube
(3).
• Clasp the small control horns into the matching pushrods. Slide the pushrods into the cor-
responding Bowden cable and then glue the control horns down in the two ailerons (in the
designated slots) with super glue (4).
• Mount a pushrod connector on the big servo (5) and establish a matching linkage to the
ailerons (6). Drill a 1.8 mm hole into the second hole of the control horn for the pushrod con-
nection and then attach the pushrod connection.
• Check the aileron servos on functioning and central positioning. Glue down the servo with the
appropriate adhesive (e.g., hot glue) after thorough testing.
Process steps to Figure 2:
• Make a cut into the tail of the elevator (1) and by repeatedly moving it back and forth make it
passable.
• Mount a pushrod connector on one of the big control horns and glue the control horn in the
existing slot (2) of the elevator.
• Carefully separate the two fuselage halves.
• Make a cut into the rudder (3) and by repeatedly moving it back and forth make it passable.
• Mount a pushrod connector on one of the big control horns and glue the control horn in the
existing slot on the rudder (on the correct side!).
• Cut off the fuselage tip of the two fuselage halves. When doing this, add approximately 4 mm
to the front (5) at the front marking (4). The adjustment to the transition on the spinners can
happen after the fuselage halves are joined.
Process steps to Figure 3:
• Check the micro servos on functioning and central positioning. Glue the two small micro
servos down in the two fuselage halves. To do this, remove the corresponding moulded parts.
In picture 3 (Pos. 1) you can see the rudder servo installed into the left fuselage halve.
• For the elevator linkage the Bowden cable (3) measuring approximately 160 mm will be
glued down in the right fuselage halve (2) and the 140 mm tube into the left fuselage halve.
Please clasp the matching pushrods into the control horns of the servos, before doing this.
Then slide the pushrods into the corresponding Bowden cable and glue them down in the
designated slots with super glue.
• Picture 3, pos. 4 + 5 shows the completed section of the construction.
Process steps to Figure 4:
• Solder the engine (2) installed on GFK frame to the flight control system (1). Pay attention to
the engine's correct direction of rotation. If the rotational direction is wrong, reverse two of the
three connecting cables.
• Check the installed servos, the servo cables and their correct routing, the mounted receiver
as well as the smooth movement of the aileron servos when the surface is mounted on the
fuselage (3). It may be necessary to remove some material from the slot for the surface.
• Glue down the towhook with suitable adhesive (e.g., 5-minute epoxy glue) (4).
• Once everything is aligned correctly and functioning properly, join the two fuselage halves
and glue them together with suitable super glue.
• Mount the folding air propeller and correct the transition between fuselage and spinner ac-
cordingly.
Please note:
Due to the folding air propeller that is used, the propeller will not fully about the fuse-
lage when the engine is switched off.
• Fixate the flight control system with the appropriate adhesive (e.g., Velcro tape) to the fuse-
lage (6).
• Glue the small metal plates in the fuselage opening for the cowling attachment and the mag-
nets in the cockpit canopy.
• Mount the elevator onto the fuselage, aligning it properly. To do this, you pull the protective
film off the applied double-sided tape.
• Establish the elevator and rudder linkages.
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