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CROSS-COUPLING [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2001-08-21

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
DEF

An error in gyro output due to cross-coupling and acceleration encountered during vehicle turns.

CONT

Principal Attitude Indicator Errors. Turn Error. During a normal coordinated turn, centrifugal force causes the gyro to precess toward the inside of the turn. This precession increases as the bank steepens; therefore, it is greatest during the actual turn. The error disappears as the aircraft rolls out at the end of a 180 degrees turn at a normal rollout rate. Therefore, when performing a steep turn, the pilot may use the attitude indicator for rolling in and out of the turn, but should use other instruments (VSI and altimeter) during the turn for specific pitch information.

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Pilotage et navigation aérienne
  • Instruments de navigation

Spanish

Save record 1

Record 2 1988-03-24

English

Subject field(s)
  • Helicopters (Military)
  • Aeroindustry
CONT

The first helicopter simulators used a rotor map technique which calculated the total thrust vector of the main rotor on the basis of a series of stored steady states... The simulator was therefore quite realistic in steady flight states, but... [not] in transient condition... in order to achieve realism, the main rotor had to be simulated blade by blade throughout every rotation(blade element modelling), so that factors like interference and cross-coupling could be taken into account.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Constructions aéronautiques

Spanish

Save record 2

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