Re: [Rocketworkbench] Problems with the star grain analysis

[Antoine L. <an...@sh...>]

Hi Frederico,

the 'a angle' should always be positive. To be negative, the value of n
should be > (e+Pi/2), otherwise it is positive.

For the length of the star "leg", I'm not quite sure exactly what you mean.
Could you send me an image with this dimension specified? I will check if
it is ok.

The radius r1 and r2 could be different.

Good luck.

On Sun, Nov 19, 2000 at 02:38:47AM -0200, Frederico Paro wrote:
> I'm studying the star grain analysis but I couldn't solve some
> difficulties:
> 
> The 'a angle' , wich is the angle of the radius r1, if calculated when
> n>e by the equation a=Pi/2-n+e results in a negative value. Is it
> correct?
> 
> I'm don't know how to calculate the lenght of the star "leg", is it
> L-x+r2 considering wx=0? Is r2=r1?
> 
> Thanks,
> Fred
> -- 
> 
>                                                    Frederico Paro
>                                              (fre...@uo...)
>                                                  - fredlab.cjb.net -
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-- 
Antoine Lefebvre
ant...@po...