So I worked on updating the web site.
Please read and comment.
http://www.rotaryeng.net/coax.html <http://www.rotaryeng.net/coax.html>
Paul Lamar
Paul,
As I keep saying, his is too simple to work, but it does. I
will have plenty of time to test one while I am waiting for my reduction box
to destruct, so will test a few including this in the process. When are
coils available??
Neil.
The kind you need for the Microtech EFI are still in R&D.
As soon as it works I'll let you know.
Paul Lamar
Paul,
Is it possible to put 2 units in the same metal box (the one that you
put it in and pot it) to save space?
I am almost done with N45WE (Yay I have a plane again), and will soon
get back to my rotary plane. I am working on the EFI but think it would
simplify the system to have the ECU run the fuel system and let your
system run the ignition. One concern:
The fixed ignition aircraft engines use 20~25 or so degrees as the fixed
point with impulse couplings to delay the ignition during starting, and
to let the spring speed up the rotation speed internally for a better
spark. To make starting easier we would need to see if there is a way to
incorporate the delay feature into the completed on-aircraft system I
think. I am working on a Sonex also with the VW engine at 25 degrees
fixed magneto timing. During starting I have to keep the mixture full
lean until the engine is spinning as fast as it will go or it will kick
back. A weak battery and it wont hardly start at all. If I delay the
timing by as much as 10 degrees it starts better but with noticeably
less power. Thoughts?
Kevin Alderman
It is a tight fit in a 2" by 3" box so putting two side by side would be
about
the same.
Piece of cake with a micro computer :)
I got the Bascom book on the AVR. Here are some scans.
Super simple. My Golden Retriever Suzzy could learn to program in BASIC :)
Paul Lamar
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