New guy - just testing

[Webb]

Karoly Hoss wrote:
> 
> Webb wrote:
> >
> > Hello
> > I am working on an add on EFI for a snowmobile engine (for use in
> > ultralight aircraft). All the commercial units are open loop. Does
> > anyone know if the oil in the exhaust pollutes an O2 sensor? Or are they
> > just being cheap?
> 
> do you work on a rotax engine ?
> 
> I'm currently building a 50hp motoguzzi microlight
> 500cc V-2 and as far as I see it consumes less than half
> of the usual two-stroke rotax
> 4-stroke is heavier but I hope it'll be better to get the weight
> difference in an hour's fuel .
> 
> bye
> charley
> 
> ps how much a fule injection system needs in electrical power
> for a 8000rpm 5-8liter/h v2 engine ?

If I understood your question correctly, it was "what is the electrical
power consumption for a 5.8 liter/hr fuel consumption 2 cylinder at
8000?" 
I'm not the right guy to ask. My system uses a fuel pump from a 302 ford
V8. The regulated pressure is about 35 psi - so there is a large flow in
the return line and much wasted power. The electronics uses almost
nothing (CMOS 8051 processor - 100 mA or so) and the injectors have a
2.5 ohm resistance but a fairly low duty cycle (but my red line is 6500
- so I can't speak to 8000). The only continuous draw is the pump -
which has a DC resistance of 12 Ohms, so it draws about 1A, or 12 watts.