Settle an argument: gyro error

[CharlieDelta]

Simplest thing ever but we're all a bit foggy headed.

Your gyro error is 1 low.

You want to make 045T.

Assume no tide or leeway.

Course to steer gyro?

[alistairuk]

Simplest thing ever but we're all a bit foggy headed.

Your gyro error is 1 low.

You want to make 045T.

Assume no tide or leeway.

Course to steer gyro?

Well on the basis if you took a bearing of a star and it was 044 true, and your gyro said 043... your gyro error is 1 degree low

Hence 044

[Lewisscott22]

This is so simple it is confusing, I have done Magnetic Compass Error, but not gyro yet.

We were told to remember: Gyro high steer high – Gyro low steer low

So I would imagine the course to steer would be 044? (T).

I would need someone with more experience to confirm this.

[CharlieDelta]

044G rather.

Thought so.

[alistairuk]

044G rather.

Thought so.

Although we all know in reality we just adjust the heading until the COG = what we want

[chris]

on a bit of a tangent, the ETO class at STC got to go in the bridge simulator yesterday to see how the electronic systems connect up with each other, and I was stood right next to a gyro error correction panel.

[steamer]

That's witchcraft

[unstad09]

046G

If the Gyro is low, you need to steer high to compensate.

[CharlieDelta]

046G translates to 047T.

[GuinnessMan]

That's witchcraft

Nah, thats when the OOW is praying not to crash into the big shippy looking thing...

[Steve]

Wrong way round. The other ship always crashes into you.

[Clanky]

046G

If the Gyro is low, you need to steer high to compensate.

Think of it this way:

If you're real heading is 045T and your gyro is reading 1 low, then your gyro will be reading 044G

So if you are steering 044G your real heading will be 045T, so if your gyro is reading low then you steer low.