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Jonker Sailplanes JS-MD 3 User Manual

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JS-MD 3
Aircraft Flight Manual
MD10-AFM-00-001
Issue: 01
Rev. 00
Rev. Date: 14-Feb-20
Page 34
Spin recovery
Spin recovery is performed using the standard spin recovery procedure:
1. Apply rudder in the opposite direction to the spin rotation.
2. Simultaneously release the elevator back pressure by moving
the stick forward to the neutral position.
3. Centralize the rudder when the rotation stops.
4. Gently pull out of the resulting dive.
NOTE: Ailerons should be kept neutral during the recovery
process. (However, full aileron deflection in either
direction does not have a significant influence on the
recovery behaviour).
CAUTION: Move flaps to position 3 during the pull-out if the spin
was commenced in flap Position 4, 5 or L to avoid
exceeding V
FE
(Maximum Flap Extended Speed).
CAUTION: Do not use airbrakes during the pull-out of the dive.
WARNING: Intentional spins with water ballast are prohibited.
Altitude loss during recovery is between 100 m and 380 m (330 ft to
1250 ft). The worst recorded case required 380 m / 1250 ft with the CG
in the aft position. The spin rotation speed is relatively low, typically five
to six seconds per rotation but varies during spinning.
If the spin is entered with a high incident angle, the nose will oscillate in
pitch during the first two rotations. After approximately one rotation, the
nose will (with very aft CG positions) rise above the horizon before
stabilizing in a nose down spin attitude. Pitch oscillation may continue
during the spin, especially with aft CG positions.

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Jonker Sailplanes JS-MD 3 Specifications

General IconGeneral
BrandJonker Sailplanes
ModelJS-MD 3
CategoryAircrafts
LanguageEnglish

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