aero-naut Dassault Breguet Rafale C 01 1358/00 Instruções de construção - Página 7
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69.
Wire bar, wheel door actuator
70.
Air duct
71.
Jet efflux (bifurcated tube)
72.
Servo plate
73.
Battery support
74.
Noseleg
75.
Main undercarriage leg
76.
Aerial sleeve
77.
Nosewheel
78.
Nosewheel collet
79.
Main wheel
80.
Main undercarriage collet
A-D Included in retracts set
Operating instructions - Rafale
Installing the receiving system
The Rafale requires a minimum of three control functions: elevons (mixed aileron / elevator), speed controller and
retractable undercarriage. It is also possible to fit an extra servo for the rudder, if you wish. The servo plate for the
retract system servo and valve should be glued in the fuselage adjacent to the noseleg unit. The air reservoir is
housed in the extreme fuselage nose.
If the model is to fly satisfactorily it is very important to set the control surface travels to the correct values.
The elevons should be set with a slight "up" offset at neutral, so that the rear of the trailing edge is flush with the
wing root fairing on the fuselage; this gives the wing a slight reflex section.
On no account set excessive elevon travel for the first few flights, as this will make the model uncomfortably
responsive around the roll axis. A travel of 5 - 6 mm up and down - measured at the root trailing edge - is quite
sufficient.
If you fit a working rudder, the travel should be 10 mm either side of neutral.
Test-flying
Ducted-fan model aircraft are no more difficult to fly than conventional propeller-driven models. The power plant,
concealed inside the fuselage, actually has a number of attractive advantages to offer. For example, a ducted fan
is virtually torque-free (in contrast to a propeller system), has practically no influence on the machine's
movements around the longitudinal (roll) axis, and generates absolutely no turbulence in the area around the
fuselage. This is countered to some extent by the lack of control surface response when the model is launched.
This means that the Rafale should never be hand-launched. The first flight should be carried out with slight up-
trim.
Usually the Rafale will lift off after a ground-roll of just a few metres, and will make a smooth transition to a
straight climb - provided that the Centre of Gravity is correct (it does no harm to offset it a few millimetres forward
of the stated point for the first flight) and that the trim is correct. The angle of climb is determined largely by the
thrust of the power system. We strongly recommend that you don't over-tax the power system's climb capacity
over the first few metres of the flight - i.e. keep it straight and shallow - as ducted fans only achieve good
efficiency when the aircraft is flying fast. Don't adjust the trims until you have brought the model up to a safe
altitude by flying long straight passes and broad turns.
It is entirely normal for impeller-driven jets to build up to full flying speed relatively slowly, i.e. not until they are
allowed to fly a long pass straight and level, followed by a reversal. Once the aeroplane has gained high speed,
you should make every attempt to maintain it as far as possible. The secret of smooth, realistic jet flight is a fluent,
wide-ranging flying style without slowing the model unnecessarily. This also helps to maximise flight times.
Of course, the Rafale is perfectly capable of straightforward aerobatic manoeuvres such as rolls and loops. If your
selected motor provides relatively marginal power, you will need to build up plenty of speed beforehand.
When it comes to landing, we recommend that you fly a broad approach and keep the airspeed fairly high. For the
first flight it does no harm to keep some "spare" energy in the flight battery so that you can go round again if
necessary. However, do bear in mind that the ability of a ducted-fan model to accelerate from low speed, i.e. just
before touch-down, is distinctly limited!
And please take care: when the model has landed, do not switch the motor on again until you have checked that
there are no foreign bodies in the air intake!
All of us at "aero-naut" Modellbau hope you have many hours of pleasure flying this superb and beautiful model.
Building instructions - Rafale C 01 - Aramid
2
Steel rod
2
GRP, left + right
1
GRP
1
Plywood
1
Plywood
1
Steel
2
Steel, left + right
1
Plastic
1
Plastic
1
Metal
2
Plastic
2
Metal
Dassault Breguet Rafale C01
1.2 Ø x 120 mm
Ready made
Ready made
3 x 40 x 77 mm
3 x 50 x 150 mm
3.5 mm Ø, ready made
4.0 mm Ø, ready made
500 mm, Order No. 7498/01
50 / 3.5 mm Ø
5 / 3.5 mm Ø
63 / 4 mm Ø, Nr. 7351/51
5 / 4 mm Ø, Order No. 5842/40
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