EVEKTOR-AEROTECHNIK EV-97 Eurostar SL, Инструкции по эксплуатации, техническому обслуживанию и ремонту

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3-19
Document No.:
EV97SLNOEN
Date of Issue:
02/2008
Revision:
-
3.4.4 Elevator deflections measurement
The starting position to measure the elevator deflections is the neutral positions of the control stick
and elevator. The neutral position of the control stick is set by the aircraft manufacturer, by means
of a jig. The distances between the control stick and instrument panel, and between the control
stick and fuselage side can be used to set the neutral position. When the elevator is in the neutral
position, the chord of the Horizontal tail unit will be parallel to upper edge of the fuselage side
(lower frame of the cockpit).
Measurement procedure:
1. Attach a protractor with a deflection hand at the elevator trailing edge
2. Set the elevator to the neutral position
3. Zero the protractor
4. Fully pull or push the control stick to deflect the elevator and read the deflection
5. Compare the measured deflections with those specified in the Control Surfaces Deflection
Record. If required - adjust elevator deflection according to the par. 4.11.3.
If a protractor is not available, the following procedure may be substituted:
1. Support the airplane under the tail skid and firewall and set the airplane in a horizontal position
(a level set on the canopy lower frame can be used to set the airplane in horizontal position)
2. Stand a suitable staff close to the elevator trailing edge and mark the neutral position of the
elevator.
3. Move the control stick and fully deflect the elevator. Mark the positions of the elevator while
fully deflected
4. Measure the distances between marks on the staff
5. Compare the distances with those specified in Fig. 3.4.1. If required - adjust elevator deflection
according to the par. 4.11.3.
3.4.5 Rudder deflection measurement
The rudder deflections are set by the aircraft manufacturer and cannot be adjusted or changed.
A measuring instrument is used by the aircraft manufacturer to measure the rudder deflections.
The instrument is put on the vertical tail unit and a rudder deflection may be read directly.
The rudder deflection may be measured however, when the set the rudder is set to the neutral
position. Stand a suitable staff at the ruder trailing edge and mark lower edge of the rudder. Fully
deflect the rudder and measure using a ruler between the mark on the staff and the lower edge of
the rudder. Compare the measured distance with that specified in 3.4.1.