From: Roy Vegard Ovesen <[EMAIL PROTECTED]>
> I've created a new model for the spinning gyro (Instrumentation/gyro.*xx). 
> [...]
> Now, I know that the existing gyro model and heading indicator and attitude 
> indicator work great and that some might think that I am trying to fix 
> something that is already working. I would argue that I am trying to improve 
> on something that is already working ;-). But if nobody else share my point 
> of view, I might abandon the idea.

My objections to people fiddling with the gyro model is because they usually
want to take out the mechanical errors so it becomes a perfect instrument.
>From your description, you seem to be trying to make it a more accurate
simulation of real life, which is certainly fine by me.  Go for it!

>  * The gyro is driven by a torque. It is slowed down by bearing
>  * friction and air friction.
>  * The gyro disk is defined by radius [m], width [m], and 
>  * material density [kg/m?]. The disk is a solid cylinder.

Don't assume that the comments in the file, which were originally by me
and then modified by David to try and make sense of what my code did,
bear any relation to the actual engineering inside such a gyro unit.
It doesn't ... it is simply a description of the simplified physical
model that the code was written to implement.  I created that model
because it would show most of the errors, not because it is correct.

If you'd like to start from first principles and do a fully correct model,
I suggest you contact one of the manufacturers and ask for engineering data.
If you don't know who or how to go about doing that, let me know and I'll
try to arrange it for you.

_______________________________________________
Flightgear-devel mailing list
[EMAIL PROTECTED]
http://mail.flightgear.org/mailman/listinfo/flightgear-devel

Reply via email to