My current setup, just need it reviewed

[bcool]

There may be one or 2 things that i need to tweak that i didn't notice
I"m running a 3 Rotor engine
The firing configuration is 1-2-3. Each rotor fires once per revolution (0* - 120* - 240*)
My injector setup consists of 6 injectors.
-3 550cc primary injectors for idling and low range
-3 1600cc secondary staged injectors to pick up extra fuel demand for the top end

My ignition setup consists of 3 coils with no ignitors attached.

Heres most of the menu options for all my settings.

[bcool]

Got an update of changes from Jason on his recommendations

-4 cycle
-6 cylinder
-3000 rpm constant
-injpwm DC to 100% (my injectors are high impedence)
-MAP(load) multiplication disabled
-On alternate banks i had it set up as 3..0 instead of 2..0 (for primary injectors)

[Sprocket]

Injector ramp up time looks a tad short at 72

Have a read here http://megasquirtavr.sourceforge.net/manual/Detailed.Output.Fuel.html#Config

I would suggest a value of 800 as a point to start and tune from there

coil charge time looks a little large at 4.5, try 3 to start with, unless you know the 4.5 to be correct

[bcool]

I'll look into the rampup. On our coils 4.5 dwell is just right. Most of the haltech guys use anywhere from 4-4.5ms

[Sprocket]

Just another thought, would a three rotor engine be classed as an 'odd fire' engine?

[bcool]

I think jason would have pointed it out if it was. What makes you say that though?

[Sprocket]

Dunno, i was thinking its a three cylinder engine, thats all. I supose it depends what is meant by engine type, what is an odd fire engine.

This was the main reason for asking the question, maybe to highlight a possible mal configuration?

[bcool]

Oh I also plan to use the tach output. 2 questions:

I was planning on putting a 1000ohm resistor between 12v in and the #3 pin, from what I've read this should work (pending that my tach takes the 12v signal) will it?

and what is the divider on the tachometer setting?

[bcool]

Just a last check on my H tables:

h[0]=01 03 06 0B 14 25 00 00
h[1]=AF 74 AF BA B1 74 AF 74
h[2]=20 10 00 00 00 00 00 00

I'm really sketchy on the injector setup. While cranking i wasnt getting injector pulses out of injectors 4-5-6 which is good, but i want to make sure that my injector staging will work properly since i haven't seen any staged injector setups yet.

Heres what my staged injector setup looks like injector 1 is on the front rotor and injector 3 is the rear rotor:

4-5-6
1-2-3

[bcool]

Also my injector output table has changed in megatune

0----1
1----3
2----6
3----11
4----20
5----37

[rob@vems.co.uk]

Looking at the H[0] table...
The 1's indicate the FET channels that will be firing with each entry.

H[0]	|	32	16	8	4	2	1
25	|	1	0	0	1	0	1
14	|	0	1	0	1	0	0
0B	|	0	0	1	0	1	1
06	|	0	0	0	1	1	0
03	|	0	0	0	0	1	1
01	|	0	0	0	0	0	1

Which shows a lot of activity on four and a number of channels being fired twice...
I'm not sure what you're looking for with this, is it something like:

H[0]	|	32	16	8	4	2	1
24	|	1	0	0	1	0	0
12	|	0	1	0	0	1	0
09	|	0	0	1	0	0	1
04	|	0	0	0	1	0	0
02	|	0	0	0	0	1	0
01	|	0	0	0	0	0	1

[bcool]

So my table should look like :

h[0]= 32 16 08 04 02 01 00 00


Each one of the primary injectors 1-2-3 will fire once per engine revolution in that exact order.

I want to get the primary injectors right but I don't want the secondaries to kick in till a certain kPa value.

[Sprocket]

h[2] table still looks incorrect?? is '00' not used to disable the entry?? so you only have two ignition chanels??

*Edit* Apparently not

http://www.vems.hu/wiki/index.php?page=GenBoard%2FManual%2FDigitalOut%2FTable

[rob@vems.co.uk]

That injector table would be correct if you want to swap the primaries over to the secondaries.

[bcool]

What do you mean by swap? Like the secondaries would be firing as the primaries? Would you care to give an example of a correct table for this?


Heres my setup now, in case there's any confusion: