INS 'Long' Alignment

[AvroLanc]

It seems only the 'Fast' alignment is implemented at the moment?

 

How would you force the system to enter a 'Normal' alignment? and how long should it take?

[Hoffster]

My guess is because the jet is very new, GPS will be primary, and INS rarely used. I might be wrong.

[AvroLanc]

My guess is because the jet is very new, GPS will be primary, and INS rarely used. I might be wrong.

 

Yeah, but INS is not only used for position data. It's essential for attitude and velocity as well.

 

It should take longer than 30 secs.

[shaHeen-1]

good question

[Home Fries]

I'm speculating, but based on the human factors they put into the INS (e.g. going direct to nav will automatically go to nav after alignment), the real jet defaults to fast, but will then perform a full alignment if an incorrect true heading is input or a true heading is not entered in time.

 

In real life, the first thing an INS does when it spins up is determine a true heading. It measures the earth's rotation and takes a 90 degree offset. Some INS's can determine the rate of the earth's rotation and determine latitude based on that (and will tell you if the latitude you input is incorrect). It makes sense that an INS with the human factors shown in the JF-17 would have similar capabilities.

Edited December 8, 2019 by Home Fries

[AvroLanc]

I'm speculating, but based on the human factors they put into the INS (e.g. going direct to nav will automatically go to nav after alignment), the real jet defaults to fast, but will then perform a full alignment if an incorrect true heading is input or a true heading is not entered in time.

 

In real life, the first thing an INS does when it spins up is determine a true heading. It measures the earth's rotation and takes a 90 degree offset. Some INS's can determine the rate of the earth's rotation and determine latitude based on that (and will tell you if the latitude you input is incorrect). It makes sense that an INS with the human factors shown in the JF-17 would have similar capabilities.

 

I agree and my first thought on watching all the pre-release vids was to expect that... Namely, if no TRUE HDG is input during the countdown, the alignment will default to NORM or 'long/slow'.

 

Unfortunately this doesn't appear to be the case ATM. You get FAST anyway. Maybe it's waiting to be implemented.

[Home Fries]

I agree and my first thought on watching all the pre-release vids was to expect that... Namely, if no TRUE HDG is input during the countdown, the alignment will default to NORM or 'long/slow'.

 

Unfortunately this doesn't appear to be the case ATM. You get FAST anyway. Maybe it's waiting to be implemented.

 

That's my thinking as well.

[shaHeen-1]

thats pretty sweet