[ARTS] ARTS2 descent rate calculation

[James Dougherty]

Thanks Jeff,

Got it. Yes, they are pretty close.
Just wanted to check.

-James



On 4/22/08, Jeff Taylor <jeff at lokiresearch.com> wrote:
>
> James Dougherty wrote:
> > Hi,
> >
> > I'm wondering if someone can explain why the ARTS2 shows a lower
> > descent rate for
> > the drogue then the main. In all of these flights, the main and drogue
> > have deployed
> > at apogee (not enough shear pins, or wrong size), so I would (if
> > anything) expect them
> > to read the same.
> >
> >
> > Thanks,
> > -James
> >
> Well, I would say that they do read the same, I mean 21ft/sec vs 23
> ft/sec?  That's pretty darn close.
>
> I might be able to offer more insight if I saw the actual flight data,
> but there probably isn't much to see.
>
> These aren't complicated calculations, all the program does is this:
> (altitude at apogee - altitude at main event) / (time at main event -
> time at apogee)
> and (altitude at main event ) / (time at touchdown - time at main
> event).  You will see a "Can't calc" if you run out of memory before one
> of the events happens.
>
> -Jeff
>
>
> _______________________________________________
> ARTS mailing list
> ARTS at lokiresearch.com
> http://mx1.blastzone.com/mailman/listinfo/arts
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mx1.blastzone.com/pipermail/arts/attachments/20080422/6a2e6e4b/attachment.htm