I am going to try this on the up coming RX8 P-port engine on
the dyno.

Attached is a chart (DRILL2.TXT) for a linear increase in  area
along with the drill diameter necessary to drill that area.
The first column is the area of the hole and the second
column is the drill size.

The idea here as the slides moves more towards WOT
the port area and air flow increase. This requires more
and more fuel. The amount of fuel injected is proportional
to the area of the vertical small hole in the slide.
There fore the fuel holes will get bigger and bigger as
the slide moves more toward WOT. Leaning will
be done by the pressure regulator.

Next step is plot the port opening as a function of slide
travel. Not necessarily linear.

If this works it is a super cheap, low pressure fuel injection.
Very similar to the Ellison throttle body and Posa aircraft carbs.

-----------------------------------------------------------

Next question. How do you drill .01 (ten thou) diameter tiny holes in
Teflon that is as much as 1.5 inches deep? Well first you drill
a .125" (1/8th) hole almost all the way through and then you use one of these
drill to drill the actual orifice in the bottom of the .125" (1/8th) hole.


Paul Lamar ...No rotor no motor.

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