does anyone have the dimension of an ideal velocity stack?

[kennycoulter]

i am pretty sure that i have the formula in one of my tech books, but i am having trouble finding it.

i tried looking online for images, but only turn up pictures of stacks, instead of formulas.

hopefully someone has an image saved that they can send a link or post pretty fast.



PSEUDO EDIT: i remember where i had the dimensions....my first year of college back in 2000, i know that it was in my notes for a car design class.....pretty sure i have thrown that away......

hopefully someone can chime in and help!

 

[kennycoulter]

Velocity-of-Sound Intake Runner Length Calculator
found this, but looking for something a little more generic...


http://www.team-integra.net/sections/articles/showArticle.asp?ArticleID=471
that has a lot of good stuff in it, but mostly on length.
i'm trying to find ratio of inlet to bell, and radius of bellmouth.

thanks for any help.