iKarus Mach 3 Instruction Manual
Mach 3
#160760
Norbert Grüntjens
Ikarus Modellflugsport, Inh. Norbert Grüntjens
Im Webertal 22, 78713 Schramberg-Waldm./Germany
Tel. 0(049)7402 929190 Fax. 0(049)7402 929150
5/2000
Mach 3 kit contents
Mach 3 building instruction
The MACH 3 is a Slow and Park flyer that shows fantastic
flightcharacteristicsduetoitslightweight.Itcanbeflownat
extremespeedseitherverysloworreallyfast.
Funisguaranteedsinceit`sfeature make aerobatics are no
problemsevenwhenthereislittlespace.
Additional items (not
included in the set)
Motor-/Gear set
No. 160611
Battery pack No. 160607
CA glue , Epoxid glue Knife, scissors, tongs
Micro controller (No. 160533)
Mini receiver (No. 160565)
Micro servos (No. 720367)
1
Buildingthefuselage
Mark the aluminium boom (acc. to the picture) in distances
of 90 mm and 275 mm from the tip of the boom for adhering
thechassisatthisplaceslateron.
Roughen the boom where the chassis is going to be affixed
totheboomandfixthechassis-wirewithCAGlue.
Nowwindthecarbon fibre firmly around thechassisandthe
boom.Afterwardsmoisten the material with CAGlue and let
itbecomehard.
Assembly
Please read the following instructions carefully before you
starttobuilttheMach3.
Attention:Takeyourtimetoreadtheinstructionsfortheglue
usedfortheconstructionofyournewflightobject:
Cyanoacrylateglue
This glue needs to be kept away from children. No contact
should be allowed for children. It works in seconds and
gluesskinandeyes.Aftereye-contactpleaserinsecarefully
and see a doctor immediately. Do not use with Styrofoam
parts.
UHU-Por
Thisisacontacttypeglue.Coverbothsurfacesmeanttobe
glued together as thinly as possible with the glue and leave
to try 10-60 minutes before carefully joining the surfaces
together.
9m0 m
2 5mm7
Tip
Wingassembly
Glue the halves of the wing together using contact glue.
Reinforcewithself-adhesivetape.
Bevel the rudder about 30°.Attach the rudder as shown on
thewingusingtape.
Glue the rudder reinforcement onto the interior of the
rudder.
Markthepositionoftherudder horns and drill a 3 mm whole
at this point. Glue the rudder horns in connection with the
rudderhorn–disk. Now the completedwingcanbeglued to
the fuselage stick. Check the balance by keeping an eye on
theedgesofbothwings.
Slide the wheel onto the
nave and both on the
chassiswire.
Then bend the wire as
close to the nave as
possible.
Tape
Glue
Tape
Wing halves
Use a sharp knife to work on the downward side of the
wings in the area of the chassis reinforcement, so that the
wingscanlaysmoothlyonthefuselage.
Rudder
Wing Tape
Tape
30°
bevel
Reinforcements
Fixpoint
Reinforcements
Approx.
5mm
If the Pico Servos (No. 720367) are used, there should be a
cutting in the body of 19 x 22 mm in a distance of 145 mm
from the end-ledge. In this cutting the servos need to be
integrated using glue. Use CA Glue to fix a fork-head each
onthecarbonfibresticks.Roughentheplacewheretheglue
hastobeused.
Screw the two remaining fork-heads on the solder sleeves
until the middle of the thread. Attach the fork-heads to the
horns of the rudder and adjust the rudder that the rudder
deflection points upwards 4 mm at the deepest point. If
necessary shorten the carbon-fibre sticks that they reach
into the solder-sleeves 1 cm. Use CA-Glue to attach the
stickstothesleeves.
Forkhead (1)
Forkhead (2)
Solder sleeve
Carbon fibre sticks
145 mm
Cutting
19*22mm
2
Approx
4mm
Work on
Drill an opening for the fixation stick of the fuselage with a 3
mm borer. Attach this at a 90 degree angle by using glue.
Dependingonwhatkindofbatteryisintendedtobeused,cut
an opening for the cable-binder that is thought to affix the
battery.
Insertingtheengine
Slide the engine-socle onto the fuselage stick that was
roughened and glue it with CA-glue. The axis of the engine
should be in a 2° angle downwards which is predetermined
by using the Ikarus Engine Set (No. 160611). Please
connecttheEngineMicroSpeedControler2000.
Cut the body and the cabin cover with scissors and a knife
along the marked lines. Smooth the edges afterwards for
using fine sandpaper. Please leave some room for this
whencuttingalongthelines.
230mm from the stern, make a 5 mm boring. Insert the
rubber cover here, fix the fuselage here. Glue the side
rudder on the fuselage as marked on the body of the plane.
At the end glue the cabin cover and decorate the model
accordingtothe pictureonthecardboard.Therivets andtin
decorationaremadebyusinganinkpen.
m
230 m
Rubber cover
2°
Mark the centre of gravity and hold the model at this point
on a fingertip. It should be horizontal now. If this is not the
case,usethebatteriestobalanceuntilthecorrecthorizontal
positionisachieved.
3
175mm
Pre-flightchecks
Now switch on the transmitter, and switch the gear stick to
lowthrottleposition.Switchtheflightbatteryon.
Now test the rudder and the mixture, a delta mixer is
necessary.(checkthemanualofyourtransmitter)
Now pose yourself behind the model and test the altitude
rudder. Both rudders should move upwards. If you test the
direction and give right, the right rudder should move
upwardswhereastheleftruddershouldpointdownwards.
Control the angle of the rudder movement. 15mm deflection
areagoodresult.
All RC-components need to be fully tested before trying the
firstpracticeflight.Especially thereachofthecomponentsis
of importance. Test this by switching on the transmitter, then
the batteries and then move 30 m away from the model with
inserted transmitter antenna. There should be no
malfunction.If this is not the case, check forthecause of the
irritation.Are the batteries recharged?Are the right quartz in
thereceiverandtransmitter?
The first start can be tried from hand or an even ground. Do
not use the steering extensively since the model reacts with
sensitivity.
4
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