Pedro Sousa Posted March 8, 2021 Report Share Posted March 8, 2021 Correct me if I am wrong, but I think HDG SLAVE should center HDG bug. It doesn't. 1 Quote Link to comment Share on other sites More sharing options...
Goran_M Posted March 8, 2021 Report Share Posted March 8, 2021 Quote Link to comment Share on other sites More sharing options...
haraldh Posted March 9, 2021 Report Share Posted March 9, 2021 On 3/8/2021 at 5:21 AM, Goran_M said: Same here, it is not working with the conventional flight model either. Quote Link to comment Share on other sites More sharing options...
JGregory Posted March 9, 2021 Report Share Posted March 9, 2021 (edited) 28 minutes ago, haraldh said: Same here, it is not working with the conventional flight model either. Huh? The HDG/SLAVE button is working exactly as it is supposed to. The EFM has nothing to do with it. Please read this post again. Edited March 9, 2021 by JGregory Quote Link to comment Share on other sites More sharing options...
haraldh Posted March 9, 2021 Report Share Posted March 9, 2021 50 minutes ago, JGregory said: Huh? The HDG/SLAVE button is working exactly as it is supposed to. The EFM has nothing to do with it. Please read this post again. THX, problem solved :-) Quote Link to comment Share on other sites More sharing options...
Pedro Sousa Posted March 10, 2021 Author Report Share Posted March 10, 2021 On 3/9/2021 at 7:19 PM, JGregory said: Huh? The HDG/SLAVE button is working exactly as it is supposed to. The EFM has nothing to do with it. Please read this post again. Understood! Thak you so much. Quote Link to comment Share on other sites More sharing options...
jgniewkowski Posted March 11, 2021 Report Share Posted March 11, 2021 From the aircraft manual: 2.2 Flux detector unit Each system has one detector located in the wing to avoid magnetic disturbances. The detector unit consists of two coils oriented 90_ apart which sense the horizontal components (Cos and Sin) of the magnetic field. The coil system is kept horizontal by a fluid damped pendulum. The output representing the direction of the mag- netic field is transferred to the computer where it is compensated for magnetic errors of the detector. The compensated signal slaves the heading in- formation with 1_ per minute and the result is thus magnetic heading. Each computer has a compen- sator card for adjustment of the magnetic error, which is normally set at the aircraft compass swing (maintenance). The system also contains a quick heading slave function, which by means of a push button, slaves the magnetic heading related to present flux detec- tor readout. There are two HDG SLAVE buttons, one on each side, located underneath the EHSI:s. Quote Link to comment Share on other sites More sharing options...
JGregory Posted March 11, 2021 Report Share Posted March 11, 2021 1 hour ago, jgniewkowski said: From the aircraft manual: 2.2 Flux detector unit Each system has one detector located in the wing to avoid magnetic disturbances. The detector unit consists of two coils oriented 90_ apart which sense the horizontal components (Cos and Sin) of the magnetic field. The coil system is kept horizontal by a fluid damped pendulum. The output representing the direction of the mag- netic field is transferred to the computer where it is compensated for magnetic errors of the detector. The compensated signal slaves the heading in- formation with 1_ per minute and the result is thus magnetic heading. Each computer has a compen- sator card for adjustment of the magnetic error, which is normally set at the aircraft compass swing (maintenance). The system also contains a quick heading slave function, which by means of a push button, slaves the magnetic heading related to present flux detec- tor readout. There are two HDG SLAVE buttons, one on each side, located underneath the EHSI:s. Yeah, that's the technical explanation. The point is the Heading Slave button DOES NOT sync the Autopilot Heading Bug to your current heading. Quote Link to comment Share on other sites More sharing options...
jgniewkowski Posted March 11, 2021 Report Share Posted March 11, 2021 3 hours ago, JGregory said: Yeah, that's the technical explanation. The point is the Heading Slave button DOES NOT sync the Autopilot Heading Bug to your current heading. Flux detector unit - fluxing... Quote Link to comment Share on other sites More sharing options...
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