AGR-29
attitude indicator
Description
AGR-29 attitude indicator is a gyroscopic flight instrument designed to indicate the aircraft spatial position in roll and pitch, lateral slip indication, display of roll and pitch control commands, and generation of roll and pitch electrical output signals.
The instrument belongs to gyroscopic flight and navigation equipment and is used as part of aircraft instrument systems. AGR-29 provides roll indication within ±360° and pitch indication according to the climb mode limits defined by the instrument design.
AGR-29 is based on a gyroscopic assembly with correction and indication systems. The instrument ensures specified accuracy under various operating conditions, including operation on rocking and vibrating bases, as well as after aircraft maneuvers with specified angular velocities. The design allows mechanical adjustment of the pitch scale via a rack control mechanism.
The attitude indicator is powered by a 27 V DC power supply and includes a separate lighting circuit. The instrument is designed for operation over a wide ambient temperature range.
Related instruments: AGR-72A, AGR-74-15 Series 2, AGR-74V-10 Series 2. These links are grouped by type and system and do not indicate interchangeability.
Technical details
Purpose: Indication of roll, pitch, lateral slip, roll and pitch control commands, and generation of roll and pitch output signals
Systems: Flight and navigation instrument systems
Product Type: Gyroscopic attitude indicator
Power Supply: 27 V DC
Current Consumption from 27 V DC: 1.2 A
Lighting Circuit Current Consumption: 1 A
Warm-Up Time at standard conditions and +55 °C: 2 min
Warm-Up Time at −30 °C: 5 min
Precession Rate at standard conditions and bank angles below 8°: 1–5 °/min
Precession Rate at −30 °C and +70 °C with bank angles below 8°: 0.8–6 °/min
Precession Rate at temperatures from −30 °C to +70 °C with bank angles above 8°: 0–2.5 °/min
Roll Range: ±360°
Pitch Range: During climb (90 − α) ±5°
Indication Error on rocking base (5 min and steady flight): Not more than ±1.5°
Indication Error on vibrating base: Not more than ±2.5°
Indication Error after turn at angular rates ωx=(240±4.8)°/s and ωz=(18±2)°/s: Not more than ±5°
Pitch Scale Travel via rack control: Not less than ±10°
Overall Dimensions: 105 × 105 × 250 mm
Weight: Not more than 3.1 kg
Documentation: Technical documentation available upon request
Russian designation: АГР-29
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