Garmin Software Version 0321.23 Manual descargar pdf (Pagina 37)

G1000 System Maintenance Manual – Diamond DA40/40F Page 2-11

190-00545-01 Revision G

2.4.2 GSA 81 Servo and GSM 85 or GSM 86 Servo Mount

Figure 2-3. GSA 81 & GSM 85 or GSM 86

The GSA 81 is mated to the GSM 85 or GSM 86 Servo Mount to form a single servo unit. There are

three servo units in this installation:

• Pitch

• Pitch Trim

• Roll

The design of the servo assembly allows the servo actuator (GSA 81) to be removed from the servo

mount (GSM 85 or GSM 86) without the need to de-rig the aircraft control cables. The servo mount

contains the capstan (cable for roll/pitch, chain for pitch trim) and the slip clutch which allows a pilot to

manually overpower the Autopilot.

The GSM 85 has a slip clutch that can be adjusted to a desired torque value. The GSM 86 has a clutch

cartridge that cannot be adjusted to a different torque value.

2.5 Envelope Stability & Protection Description

System software version 0321.23 and later supports the optional Electronic Stability and Protection (ESP)

function. ESP assists the pilot in maintaining a safe flight condition within the aircraft flight envelope,

defined by pitch, roll, and airspeed. ESP is only active during flight with the autopilot off, and is only

available on G1000-equipped DA40 aircraft that also have a GFC 700 autopilot with the Enhanced AFCS

option installed.

ESP is automatically enabled when the aircraft exceeds one or more pre-determined thresholds beyond

normal flight. ESP engages the appropriate servo(s) in protection mode with low torque and gradually

increases the stick forces so the airplane naturally returns back to the desired flight envelope. The DA40

ESP activation thresholds are as follows:

• Roll threshold activation is 45 degrees for both the left and right roll conditions.

• Pitch threshold activation is 15 degrees for pitch up and 18 degrees for pitch down.

• High Airspeed threshold activation is 180 Knots Indicated Airspeed (KIAS) for high airspeed.

As the airplane deviates further from the desired flight envelope, the servo torque is increased in the

direction required to return to the desired flight envelope until the maximum torque level is reached. As

the airplane continues to deviate, the torque level remains constant up to the maximum engage limit.

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Garmin Software Version 0321.23 Manual Pagina 37