FreeAir L-159 Alca Instructions de montage

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Dear customer,

congratulations on the purchase of the L-159 Alca model. Before you begin, please, read carefully the building instructions and make sure that you

understand the building process.

Part name

Fuselage of EPP

Elevator control rod

Wing of EPP

Motor nacelle

Vertical tail of EPP

You will need the following tools and materials:

CA glue, CA glue accelerator, a sharp (modelling) knife. To complete the model you will need: a receiver (MZK), servos (W-038), a controller (HCS

C 12A or similar), a battery pack (2-3 LiPol cells of 360-640 mAh), EDF 40 from GWS.

Description of the model:

The model is completely made of EPP. With its weight beginning at 120 grams it is an ideal model for flying in any suitable spot (e.g. a school

playground or in the street). It is intended not only for experienced pilots, but also for the advanced modellers. To power it you may use a brushless

motor Feigao with 3 LiPol cells. Thanks to a well thought-out design the construction would take only about 60 minutes.

Building process:

All EPP parts of this model can be glued by thin CA glue, only the Duct which is made from depron needs foam safe glue. First of all roll the depron

duct into a tube with a rough diameter of about 20-35 mm (Fig. 1). On this tube roll the depron part so that it tapers down to the tail (Fig. 2 and 3).

You can now glue the depron edges together with foam safe CA (Fig. 4) or it can be fixed together with tape (Fig. 5). In the picture number 6, both

methods are shown.

Put the EDF unit into the Depron Duct (Fig. 7). It is not necessary to glue the EDF unit in place, this means that if you have any problems with the

EDF or motor that you can remove it again in the future.

Using a sharp knife trim the fuselage (Fig. 8). In the fuselage cut opening for motor supply cable (Fig. 9).

Put the EDF & duct into the fuselage and glue the depron duct to the fuselage, then trim overlaped part of adjutage at the end of the fuselage (Fig. 10).

According to Fig. 11 trim motor nacelle and glue them to fuselage (Fig.12 and 13) . If you want to hide the elevator pushrod to be hidden inside the

fuselage, you need to leave the left nacelle until the control the elevator pushrod has been installed.

In elevator cut the groove and glue the control horn into it (Fig. 14), take care that the control horn is on the same side as elevator servo.

Glue elevator and rudder (Fig. 15), take care to make sure that they are perpendicular to each other.

In the wing cut the groove and glue aileron control horns (Fig. 16) and install aileron push rods (Fig. 17).

Into the prepared groove glue the elevator servo and install rods (Fig. 18 and 19), which we can disguise by motor nacelle.

Join servos and controller to the receiver (Fig. 20). Cut an opening for the controller in the fuselage or wing depending which you prefer. Check that

everything works, glue the wing to the fuselage (Fig. 21). Again check the alignment of the wing, fuselage and tail.

Now cut a hole for the battery pack to fit in the fuselage (Fig. 22). Check the balance of the model before doing this to ensure correct CG placement.

Antenna of the receiver we can take out for example according to the (Fig. 23). The centre of gravity is 45 mm back from the leading edge of the

wing.

Now the model is complete.

For the first flight, set the deflection of the controls to the half of their travel. The model has specific flight characteristics – thanks to its layout it

can fly not only fast, but also very slow.

This model is no toy – therefore avoid flying in crowded places or such areas where health or property not only of yourselves, but also of third

persons could be jeopardised.

Lots of fun and many happy landings wishes FreeAir.

Tested configuration

EDF GWS 40 original motor + 2 Lipol cells

EDF GWS 40 feigao brushless motor 5800kv + 2 Lipol cells (400mAh)

EDF GWS 40 feigao brushless motor 5800kv + 2 Lipol cells (600mAh)

EDF GWS 40 feigao brushless motor 4100kv + 3 Lipol cells (400mAh)

Instructions L-159 Alca

L-159 Alca

Parts list:

pieces

Part name

Aileron horns

Elevator

Aileron levers

Instructions

Duct from depron

www.robotbirds.com

pieces

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