"Kevin J. Maciunas" wrote:
>
> On Mon, 2002-03-04 at 14:16, Jinx wrote:
> > > use an S-bend
> >
> > I meant to add if you use an external clear tube, the firefighters
> > can use those wonderful processors known as eyes. The only
> > proviso is that once the tube is filled it would have to be re-filled
> > if the tank runs dry, but as they're filling the tank it should be no
> > work to give the tube a squirt too
> >
>
> Just to complete the documentation loop, existing appliances have a
> clear pipe running top to bottom (or vica versa :-) ).  This is totally
> useless - the vinyl (I think) tubing goes opaque brown, the level can't
> be seen and at night it's a real challenge.  Some versions have a rigid

Hummm. How about using some of the truck's lighting circuits
to illuminate the tube? With a tube at either end the human brain
could easily figure out how full the tank was, even when tilted.

> plastic pipe with an orange float - these seem to go brown due to algal
> growth.
>
> I never thought such a straight forward question would engender such a
> storm of neural activity!

If it were so straight forward, would he have needed to ask the list <G>??

R

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