don't forget the roughness inside. Is it a flat wall, or one
that creates turbulence. The wall must stand up to any pressure and not
collapse.
Martin

On 4/1/2013 9:46 PM, Ignoramus6646 wrote:
On 2013-04-02, Steve B wrote:
How much does the length of a vacuum hose affect the vacuuming suction?


The longer is the hose, the thinner, and the greater the flow, the
more is the deleterious effect. It is the same as a hose offering
resistance to any other kind of flow.

i