Tracy Crook wrote:

This matches up with what Mazda does in the car.  The secondary injectors
are further upstream than the primary injectors which are right in the

port.

Mazda (and my EC2 controller) uses staged injection where only the primary
injectors operate at low to mid throttle, then open the secondaries at mid
to high throttle.   I did not have to implement an "accelerator pump"
function to get good throttle response with this setup.

Tracy Crook
rws@altavista.net
www.rotaryaviation.com

I, like Mecanair, am putting all my injectors out near the bells.
Fuel consumption to me is way more important than throttle response.
Cars, like RX-7's, need good throttle response airplanes don't.
If necessary I will add injectors and use a 555 one shot
triggered by a push button switch :-).

Paul Lamar

dsbarno wrote:

What kind of timing on the 555.

Barny

Put a pot in the 555 timing circuit and try different settings.

Paul Lamar

Hey Paul..... What ever happened to:

   "POINT ME THE WAY AND I WILL CONQUER"!!!
It's become...
   "POINT ME THE WAY AND CONQUER FOR ME"!!! :-> :->

                                       Butch Diaz Sr.

I am not sure exactly what you are talking about but I am running out of time :-)

BTW your point about safety is an excellent one. We have already had an engine
stop as a result of injector wires burning through with an in-flight fire (maybe
two in-flight fires) on the turbocharger/exhaust side of the engine.
It would be a good idea to keep the fuel system on one side and the heat on 
the other.

Paul Lamar
 
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