This turbo then feeds the larger one, which runs at a lower pressure but with much more air volume. (topspeed.com)
The high air volume allows for creative pressure - lowering antics to tackle sand or snow. (carthrottle.com)
In making the image reproduced at the top of this post, did you focus on water or air volume first and were there any unexpected difficulties or is that a straightforward calculation? (dotearth.blogs.nytimes.com)