Niviuk DOBERMANN 2, User Manual

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already installed.
The system should only be used by very experienced pilots.
Using this technology without sufficient skill and experience carries great
risk to the pilot. Its use near terrain requires great skill and can leave the
pilot with very little room for manoeuvre in the event of an incident.
In a slalom competition, the pilot needs to enter the circuit with maximum
speed, then reduce speed quickly, while initiating the turn to round the
pylon and set the course to the next turning point, accelerating again to
full speed. All this in just a few seconds!
The pilot must also manipulate the throttle, trimmers, gas and control the
rotation – this required a solution that would allow the pilot to act quickly
and effectively. The DES was designed to fulfil this requirement.
The DES provides an alternative, allowing the pilot to accelerate to
100%, reduce speed and return to 100% in the shortest possible time, in
a single movement.
The DES interactively connects the throttle with the trimmer, allowing
acceleration and the opening of the trimmers in one movement of one leg
while the hands are free for the throttle and turning system (see High-
speed tip steering).
With the DES, the pilot has available an accelerator which can unleash
the full power of the wing, and they can utilise accurately and quickly the
speed that is required at all times. The DES means the wing launches
with the neutral (slowest) setting and as it accelerates, it releases the
trimmers. At its peak, the pilot can use 100% accelerator and 100% of
the trimmers with the wing working with the reflex to 100% When you
release the accelerator, the DES is responsible for returning the profile to
neutral.
The pilot can adjust the amount of trimmer to be released, even during
flight. It is not always necessary to accelerate to 100% and open the
trimmers 100%. The pilot can choose the proportion of trimmer to use.
Given that only when the accelerator is at 100%, the trimmer will be
opened to the maximum.
With the DES installed, the classic trimmer function is cancelled as this is
subordinate to the accelerator.
The pilot can leave the trim in neutral and only use the accelerator.
PLEASE NOTE!
We recommend you do not disable the DES. The DOBERMANN 2 is
designed to fly with the DES installed. It is possible to disable the DES
but in this case, the pilot must not engage the trimmers in flight. The
standard trimmers will not function without the DES.
PLEASE NOTE!
With 100% accelerator and 100% trimmers we recommend not using the
brakes as this makes the wing more prone to collapses.
It is of utmost importance that the pre-flight check routine includes
checking that the DES link is connected to the two bands. Also that the
trimmers are set symmetrically.
4.2 DOUBLE STEERING SYSTEM
In increase the turning efficiency, the DOBERMANN 2 is fitted with the
Double Steering System.
The DOBERMANN 2 has two brake lines: the main brake and the high
speed tip. The high-speed tip gives the pilot the ability to turn without
pulling the brakes, thus avoiding deforming the profile and therefore
preventing a decrease in performance and speed.