Timothy D. Gray wrote:

> not if you make it tiny... 1/4 inch dia. I've gotten 10ml per minute
> readings that way before (water not fuel) It took me about 2 weeks to
> build it and it did leak :-/ but it could be done.
> If you could ensure a clean fuel stream a positive displacement system
> would work (Measure 1ml at a time is possible that way.) at work we use a
> laser to measure minute flow and particulates, but that is beyond the
> scope of a home-brewer.
>
> On Thu, 25 Jun 1998, Nuno Pedrosa wrote:
>
> > Yeah, that sounds easy enough. Problem is the flow. Too small for such
> > an "homemade sensor". Comercial sensors of this kind requires flows
> > larger than 1liter/min, I think... That's a lot of fuel!

I read about a technique where you run the petrol pipe
through a magnetic field and then past a hall sensor. I
can't vouch for this because I have never seen it work.

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