fuel flow sensing

[Jason Lewis]

Bill,

On Sat, 13 Sep 1997, Bill Williams wrote:

> 	How accurate does this meter have to be and under what pressure
> does it have to work? There are some fuel flow meters that might meet
> your needs if other conditions are met.
> ---                                   Bill in Boulder   "Engineering as
> an Art Form"                                ---
> 
With regards to accuracy, i'm not sure, but i guess one of the factors is
that it should still be acurate at very low flow rates (like when idleing)
This implies that it ought to be of the displacement type, and not the
vein type (i think thats what its called). I'd like to get something that
is at least accurate to %1 i think. on a 60 litre tank, thats still 600ml
( a reasonable amount of fuel)


With regards to pressure, i have no idea how much pressure is developed
behind the carburetor's fuel input. My car has a mechanical fuel pump, and
its for a carbeurator engine, so i would imagine the pressures involved
would be much lower than an efi engine. But thats about all i could say on
the matter. Prehaps someone else out there knows what sort of pressures
i would be likely to encounter.


Thanks

Jason