Equations for calculating true wind with attitude?

[mglonnro]

Originally Posted by Alan Mighty

Ooh! Most interesting. Do you have a graphic or photo to share so I see what you mean?

Attached a screenshot from the B&G manual for the last 10 minutes of TWS, TWD. On our boat the graphs are much more jittery (zigzagging), but it's easy to see short term (ie 10 minutes or whatever period you select) changes.

What bugs me, and was the reason for this thread is that after tacking, both TWS and TWD take a jump to right or left, and start zigzagging around some new point of gravity. Would be cool to remove all boat movement from TWS/TWD

[mglonnro]

I implemented part of the earlier mentioned stuff here: https://github.com/mglonnro/truewind

I realized that I have a wind sensor to play around with here at home so it will be fun to see what happens. I don't have a constant source of wind, though

[AKA-None]

Originally Posted by mglonnro

I implemented part of the earlier mentioned stuff here: https://github.com/mglonnro/truewind



I realized that I have a wind sensor to play around with here at home so it will be fun to see what happens. I don't have a constant source of wind, though

Fan maybe?

[mglonnro]

Originally Posted by AKA-None

Fan maybe?

I just tried that!

It was amazingly chaotic and irregular! No matter where I placed the wind sensor. I hope I don't have to build a wind tunnel

[AKA-None]

Aim the fam through some toilet paper or paper towel tubes to straighten the airflow.

[mglonnro]

Originally Posted by AKA-None

Aim the fam through some toilet paper or paper towel tubes to straighten the airflow.

Thanks!

I will try this