MoTeC Global Forum

Powering a single injector flow bench





Since the photo's I've switched to a scale accurate to .1g instead of the graduated cylinder. Its run by my M800 and laptop (laptop simulating engine sensors through printer port) I will most likely slowly update this to log everything through the ecu including fuel weight, temp in, temp out, pressure, and dead time (along with all the other obvious injector parameters that are already logged)

My current thinking is a strait gauge and a platform with a bottle on it some simple calibration should be able to turn that into a scale unless anyone has a better idea, i'm really hoping there is a 0-5v scale out there.

Is there a reason you use sensor foolage instead of just going into actuate outputs and setting a PW and DC%/RPM for that inj output?

I assume you mean test outputs? If that's what your referring to then yes there are many, the biggest of those reasons being that I wouldn't be able to datalog anything.

Ha, that's nothing,
Our injector flow bench has an M800 and an ADL for two injectors.

damnit i only have an SDL... if only i could figure out something to use my E888 for I do have an oscilloscope on there now too but i guess with the sample rate of an ADL you probably don't need that.

Do you mind telling how you measure flow (is it logged somehow)

We don't measure the flow, we use the test output function on the ECU to flow the injectors at various opening times (at 6000 RPM) and the timer in the ADL to run each test for 1 minute. We then weigh the calibration fluid on a very acurate set of scales and calculate the flow from the weight.

its like using a 360 modena to go to the nearest bookshop for a pencil...

you could always send the ADL to me if you have no use for it

That's how I'm currently doing it, I was hoping you figured out a way to log the scale reading

This is a pretty slick set up.
I would think that you could also measure the dead time pretty accurately.

Hi guys,

Are you doing this to test the accuracy of the ECU with different injectors (inc dead time), check the flow rates of injectors or to set the ECU up to monitor fuel usage for circuit racing?