Ignition modules 6-4-1 pin to IgniTech modules

Hi all,

I installed the IgniTech modules on the inside behind the firewall (got them in less than a week).
As soon as they shipped it, I got an email from them with the software and several configuration files (.ign).
Great and quick service! 

Engine runs very smooth on all RPMs and even 200 RPM less than before at 1600 RPM without vibrations.
I warm up first at 2200, then 2500 RPM though.

I connected the regulator's + wire (little white boxes) to the starter solenoid so they are already powered when I turn the ignition key to start.

They were already pre-programmed with the "Rotax 912 old rotor v105 retarded start advance.ign" file.
I installed the software on my PC and connected the modules one by one and re-programmed them.
The only thing I changed was the setting "Revolutions without ignition", I have set it to 2, on the "Bike" tab. (I read that on Le MCR 01 forum a French forum)
See attached screenshots.

I had a question and asked IgniTech:

--- Quote ---
I am using “Rotax 912 old rotor v105 retarded start advance.ign” which has 4° below 1000 RPM.
So at how many degrees will it then be with the setting “Lower advance by start (%)” of 20%?
And would it be possible to get the firing AFTER the Top Dead Center by increasing that 20% value to maybe 50%?
--- Unquote ---

They answered:
--- Quote ---
Hello,

Maximal advance (first edge of pulse lobe) is 26°.
Starting advance (end edge of pulse lobe) is 4°
So that angle of pulse lobe is 22°.
Delay is 20% of lobe. So this is 22*0.2=4.4°.
So that starting advance is 0.4° after TDC.

Regards.

Jiri Krejzl

IGNITECH
--- Unquote ---

So I left the setting "Lower advance by start [%]" at 20%.

I found very useful information on these websites, it's all in French but you can use a translator.

https://mcr01passion.forumperso.com/t1011-une-alternative-aux-boitiers-allumeurs-ducati

https://m.facebook.com/notes/ulm-3axes/les-boitiers-dallumage-ignitech/2794715160854612/

I'm very pleased!

Happy Holydays everyone!

Walter

I am curious, what is the rationale behind having a number of revolutions without ignition? Why can't you have ignition on the first revolution since you have the separate starting power supply on the Ignitech units?

Well, default it is on 1 revolution before ignition.  Mind though that it is 1 revolution of the engine, not the propeller.
On that French forum they gave the advise to set it to 2.  Jacques was also at that forum and met those guys so maybe he can tell us more.

But from what I understood, it is to give the engine the chance to spin up first, because if you would have ignition right away, which you have because the modules are connected to the battery, you could have a kick-back.  In my case that would probably not be a problem because I have set "Lower advance by start [%]" to 20% which fires only at 0.4° ATDC.

For everyone who is wondering, the starting problems (as mentioned in my first post) were due to a worn out starter, which on top of that was still the old 700W black starter.  Starting problems remained when I installed the ignitech modules, although slightly better.

Issue was solved when I installed the new 900W starter.

Happy Holidays to all!

Do you have pics of the alloy mounts from light flight ?